Stereo
Stereo
Baseline (deg)
Crosseye
Parallel
.
Aug 30 2028 22:13:20 UTC JD 2462014.425926
Thu Aug 31 2028 00:13:20 GMT+0200 (Mitteleuropäische Sommerzeit)
Earth:
0.812 AU
50.068 km/s
Sun:
0.719 AU
31.091 km/s
Set time
Date and Time (UTC)
Edit objects -- state vectors
Object
Tau Ceti
Tau Ceti b
Tau Ceti c
Tau Ceti d
Tau Ceti e
Tau Ceti f
Tau Ceti g
Tau Ceti h
Doze-Planet
Camera A
Camera B
Reference object
Tau Ceti
Tau Ceti b
Tau Ceti c
Tau Ceti d
Tau Ceti e
Tau Ceti f
Tau Ceti g
Tau Ceti h
Doze-Planet
Name
Color
Shadow
Label
Trail
Sub Z
Mass
Diameter
Location (
x,y,z
)
Velocity (
x,y,z
)
Edit objects -- orbital elements
Object
Tau Ceti
Tau Ceti b
Tau Ceti c
Tau Ceti d
Tau Ceti e
Tau Ceti f
Tau Ceti g
Tau Ceti h
Doze-Planet
Camera A
Camera B
Reference object
Tau Ceti
Tau Ceti b
Tau Ceti c
Tau Ceti d
Tau Ceti e
Tau Ceti f
Tau Ceti g
Tau Ceti h
Doze-Planet
Name
Color
Shadow
Label
Trail
Sub Z
Mass
Diameter
a, e, i
Ω, ω, MA
Look at
Tau Ceti
Tau Ceti b
Tau Ceti c
Tau Ceti d
Tau Ceti e
Tau Ceti f
Tau Ceti g
Tau Ceti h
Doze-Planet
Camera A
Camera B
Look from
Tau Ceti
Tau Ceti b
Tau Ceti c
Tau Ceti d
Tau Ceti e
Tau Ceti f
Tau Ceti g
Tau Ceti h
Doze-Planet
Camera A
Camera B
Names
Stars
Rotating
frame
Axes
3d
Orbits
Trails
Time step
128
Camera A
Azimuth
Altitude
Distance
Axes
3d
Orbits
Trails
Names
Distance and speed
Local time
Local time
Thu Aug 31 2028 00:13:20 GMT+0200 (Mitteleuropäische Sommerzeit)
Coordinated Universal Time
Wed Aug 30 2028 22:13:20 (UTC)
Julian Day
2462014.425925926
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Source code:
<!DOCTYPE html> <html id ='htmlAll'> <head> <title>Tau Ceti Doze</title> <meta name = 'keywords' content = "Dozeplanet"> <meta name = 'description' content = ""> <meta name = 'author' content = 'Tony Dunn, Hermann Bossi'> <meta http-equiv="content-type" content="text/html; charset = UTF-8"> <link href="http://orbitsimulator.com/gravitySimulatorCloud/jquery-ui.css" rel="stylesheet"> <script src="http://orbitsimulator.com/gravitySimulatorCloud/asterismNames6_8_17.js"></script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/jquery-1.9.1.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/jquery-ui.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/jquery.ui.touch-punch.min2.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/kbo.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/synthetic.js"> </script> <script id="scriptStars" src="http://orbitsimulator.com/gravitySimulatorCloud/noStars.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/citiesLatLon.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/jscolor.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/constellations6_8_17.js"></script> <script> btndescout = new Image;btndescover= new Image;btndescout.src = "http://orbitsimulator.com/gravity/articles/descorange.GIF";btndescover.src = "http://orbitsimulator.com/gravity/articles/descyellow.GIF"; btndownout = new Image;btndownover= new Image;btndownout.src = "http://orbitsimulator.com/gravity/articles/downorange.GIF";btndownover.src = "http://orbitsimulator.com/gravity/articles/downyellow.GIF"; btnsimuout = new Image;btnsimuover= new Image;btnsimuout.src = "http://orbitsimulator.com/gravity/articles/simuorange.GIF";btnsimuover.src = "http://orbitsimulator.com/gravity/articles/simuyellow.GIF"; btnmessout = new Image;btnmessover= new Image;btnmessout.src = "http://orbitsimulator.com/gravity/articles/messorange.GIF";btnmessover.src = "http://orbitsimulator.com/gravity/articles/messyellow.GIF"; btnscieout = new Image;btnscieover= new Image;btnscieout.src = "http://orbitsimulator.com/gravity/articles/scieorange.GIF";btnscieover.src = "http://orbitsimulator.com/gravity/articles/scieyellow.GIF"; btncontout = new Image;btncontover= new Image;btncontout.src = "http://orbitsimulator.com/gravity/articles/contorange.GIF";btncontover.src = "http://orbitsimulator.com/gravity/articles/contyellow.GIF"; btnlinkout = new Image;btnlinkover= new Image;btnlinkout.src = "http://orbitsimulator.com/gravity/articles/linkorange.GIF";btnlinkover.src = "http://orbitsimulator.com/gravity/articles/linkyellow.GIF"; </script> <style> nav ul ul { display: none; } nav ul li:hover > ul { display: block; } nav ul {z-index: 10; font-family: Tahoma, Geneva, sans-serif; font-size: 20px; background: #efefef; background: linear-gradient(top, #efefef 0%, #bbbbbb 100%); background: -moz-linear-gradient(top, #efefef 0%, #bbbbbb 100%); background: -webkit-linear-gradient(top, #efefef 0%,#bbbbbb 100%); box-shadow: 0px 0px 9px rgba(0,0,0,0.15); padding: 0 0px; border-radius: 0px; list-style: none; position: fixed; top: -20px; left: 0px; //display: inline-table; } nav ul:after { content: ""; clear: both; display: block; } nav ul li { float: left; } nav ul li:hover { background: #4b545f; background: linear-gradient(top, #4f5964 0%, #5f6975 40%); background: -moz-linear-gradient(top, #4f5964 0%, #5f6975 40%); background: -webkit-linear-gradient(top, #4f5964 0%,#5f6975 40%); } nav ul li:hover a { color: #fff; } nav ul li:hover label { color: #fff; } nav ul ul li:active label { color: #aaa; } nav ul li a { display: block; padding: 0px 10px; color: #757575; text-decoration: none; } nav ul li label { display: block; padding: 0px 0px; color: #757575; text-decoration: none; } nav ul li label { display: block; padding: 0px 10px; color: #757575; text-decoration: none; } nav ul ul { background: #5f6975; border-radius: 0px; padding: 0; position: absolute; top: 100%; } nav ul ul li { float: none; border-top: 1px solid #6b727c; border-bottom: 1px solid #575f6a; position: relative; } nav ul ul li a { padding: 15px 40px; color: #fff; } nav ul ul li label { padding: 0px 10px; color: #fff; } nav ul ul li a:hover { background: #4b545f; } nav ul ul li label:hover { background: #4b545f; } nav ul ul ul { position: absolute; left: 100%; top:0; } .slider { width: 200px; opacity: 0.8; //margin: 100px auto; } input[type="range"] { -webkit-appearance: none; -webkit-tap-highlight-color: rgba(255, 255, 255, 0); // width: 100%; width: 200px; height: 20px; margin: 0; border: none; padding: 1px 2px; border-radius: 14px; background: #232528; box-shadow: inset 0 1px 0 0 #0d0e0f, inset 0 -1px 0 0 #3a3d42; -webkit-box-shadow: inset 0 1px 0 0 #0d0e0f, inset 0 -1px 0 0 #3a3d42; outline: none; /* no focus outline */ } input[type="range"]::-moz-range-track { border: inherit; background: transparent; } input[type="range"]::-ms-track { border: inherit; color: transparent; /* don't drawn vertical reference line */ background: transparent; } input[type="range"]::-ms-fill-lower, input[type="range"]::-ms-fill-upper { background: transparent; } input[type="range"]::-ms-tooltip { display: none; } /* thumb */ input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 40px; height: 18px; border: none; border-radius: 12px; background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #529de1), color-stop(100%, #245e8f)); /* android <= 2.2 */ background-image: -webkit-linear-gradient(top , #529de1 0, #245e8f 100%); /* older mobile safari and android > 2.2 */; background-image: linear-gradient(to bottom, #529de1 0, #245e8f 100%); /* W3C */ } input[type="range"]::-moz-range-thumb { width: 40px; height: 18px; border: none; border-radius: 12px; background-image: linear-gradient(to bottom, #529de1 0, #245e8f 100%); /* W3C */ } input[type="range"]::-ms-thumb { width: 40px; height: 18px; border-radius: 12px; border: 0; background-image: linear-gradient(to bottom, #529de1 0, #245e8f 100%); /* W3C */ } #divAds {position: absolute; top: 0px; left: 0px; width: 730px; height: 90px; z-index: 4; visibility: hidden} #divLogo {position: absolute; top: 91px; left: 0px; visibility: hidden} #imgLogo1 {position: absolute; top: 0px; left: 0px} #tableNavigate {background-color: transparent} #divMenuShow {position: fixed; z-index: 11; top: 0px; left: 0px; visibility: hidden; z-index: 10} #btnMenuShow {position: absolute; top: 0px; left: 3px; height: 25px; visibility: hidden} #divMenu {position: fixed; z-index: 10; top: 0px; left: 0px; visibility: hidden; z-index: 11} #btnMenuHide {position: absolute; top: 0px; left: 3px; height: 25px} #btnFileMenu {position: absolute; top: 0px; left: 40px; height: 25px} #btnSaveAsMenu {position: absolute; top: 25px; left: 45px; width: 150px; height: 25px; text-align: left} #btnScreenShotsMenu {position: absolute; top: 50px; left: 45px; height: 25px; width: 150px; text-align: left} #btnCollisionLogMenu {position: absolute; top: 75px; left: 45px; height: 25px; width: 150px; text-align: left} #btnObjectsMenu {position: absolute; top: 0px; left: 80px; height: 25px} #btnCreateObjectsMenu {position: absolute; top: 25px; left: 85px; height: 25px; width: 200px; text-align: left} #btnClonesMenu {position: absolute; top: 50px; left: 85px; height: 25px; width: 200px; text-align: left} #btnImportObjectsLiteMenu {position: absolute; top: 75px; left: 85px; height: 25px; width: 200px; text-align: left} //#btnImportObjectsMenu {position: absolute; top: 100px; left: 85px; height: 25px; width: 200px; text-align: left} #btnEditObjectsVectorsMenu{position: absolute; top: 100px; left: 85px; height: 25px; width: 200px; text-align: left} #btnEditObjectsElementsMenu{position: absolute; top: 125px; left: 85px; height: 25px; width: 200px; text-align: left} #btnVectorMenu {position: absolute; top: 150px; left: 85px; height: 25px; width: 200px; text-align: left} #btnDeleteObjectsMenu {position: absolute; top: 175px; left: 85px; height: 25px; width: 200px; text-align: left} #btnPreTrailsMenu {position: absolute; top: 200px; left: 85px; height: 25px; width: 200px; text-align: left} #btnTimeMenu {position: absolute; top: 0px; left: 150px; height: 25px} #btnCalendarDate {position: absolute; top: 25px; left: 155px; height: 25px; width: 170px; text-align: left} #btnCalendarDateUTC {position: absolute; top: 50px; left: 155px; height: 25px; width: 170px; text-align: left} #btnJulianDate {position: absolute; top: 75px; left: 155px; height: 25px; width: 170px; text-align: left} #btnTimeStepMenu {position: absolute; top: 100px; left: 155px; height: 25px; width: 170px; text-align: left} #btnSetDateAndTimeMenu {position: absolute; top: 125px; left: 155px; height: 25px; width: 170px; text-align: left} #btnDisplayMenu {position: absolute; top: 0px; left: 200px; height: 25px; visibility = 'visible'} #btnScreensMenu {position: absolute; top: 25px; left: 205px; height: 25px; width: 200px; text-align: left} #btnToFromAMenu {position: absolute; top: 50px; left: 205px; height: 25px; width: 200px; text-align: left} #btnToFromBMenu {position: absolute; top: 75px; left: 205px; height: 25px; width: 200px; text-align: left} #btnRotatingFrameMenu {position: absolute; top: 100px; left: 205px; height: 25px; width: 200px; text-align: left} #btnStereoMenu {position: absolute; top: 125px; left: 205px; height: 25px; width: 200px; text-align: left} #btnCitiesAMenu {position: absolute; top: 150px; left: 205px; height: 25px; width: 200px; text-align: left} #btnCitiesBMenu {position: absolute; top: 175px; left: 205px; height: 25px; width: 200px; text-align: left} #btnStarsMenu {position: absolute; top: 200px; left: 205px; height: 25px; width: 200px; text-align: left} #btnCameraAMenu {position: absolute; top: 225px; left: 205px; height: 25px; width: 200px; text-align: left} #btnBlankMenu {position: absolute; top: 250px; left: 205px; height: 25px; width: 200px; text-align: left} #btnLargePlayMenu {position: absolute; top: 275px; left: 205px; height: 25px; width: 200px; text-align: left} #btnMainMenu {position: absolute; top: 300px; left: 205px; height: 25px; width: 200px; text-align: left} #btnPreferencesMenu {position: absolute; top: 0px; left: 270px; height: 25px} #btnScreensMenu {position: absolute; top: 25px; left: 205px; height: 25px; width: 200px; text-align: left} #btnAutopilotMenu {position: absolute; top: 0px; left: 375px; height: 25px} #btnAPnowMenu {position: absolute; top: 25px; left: 380px; height: 25px; width: 150px; text-align: left} #btnAPsingleEventsMenu {position: absolute; top: 50px; left: 380px; height: 25px; width: 150px; text-align: left} #btnAPperIterationMenu {position: absolute; top: 75px; left: 380px; height: 25px; width: 150px; text-align: left} #btnAPperGraphicUpdateMenu{position: absolute; top: 100px; left: 380px; height: 25px; width: 150px; text-align: left} #btnHelpMenu {position: absolute; top: 0px; left: 455px; height: 25px} #btnSimulationDescriptionMenu {position: absolute; top: 25px; left: 460px; height: 25px; width: 150px; text-align: left} #btnQuickHelpMenu {position: absolute; top: 50px; left: 460px; height: 25px; width: 150px; text-align: left} #btnManualMenu {position: absolute; top: 75px; left: 460px; height: 25px; width: 150px; text-align: left} #btnAboutMenu {position: absolute; top: 100px; left: 460px; height: 25px; width: 150px; text-align: left} //#divPerspective {position: absolute; z-index: 1; top:1250px; left:0px; width:1250px; height:900px;} //#divPerspective {position: absolute; z-index: 1; top:1250px; left: 0px} #divPerspective {position: absolute; z-index: 1} #divTopDown {position: absolute; z-index: 1; top: 0px; left: 0px; width:1250px; height:900px;} #divRotateCameraA {top: 800px; left: 0px; height: 125px; width: 570px} #lblRotateCameraATitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnRotateCameraAClose {position: absolute; left: 550px} #rangeRotateCameraA {position: absolute; top: 25px; left: 0px; width: 450px; z-index: 2} #txtRotateCameraA {position: absolute; top: 25px; left: 455px; width: 45px} #lblRotateCameraA {position: absolute; top: 29px; left: 505px} #rangeRotateCameraZ {position: absolute; top: 50px; left: 0px; width: 450px; z-index: 2} #txtRotateCameraZ {position: absolute; top: 50px; left: 455px; width: 45px} #lblRotateCameraZ {position: absolute; top: 54px; left: 505px} #rangeRotateCameraD {position: absolute; top: 75px; left: 0px; width: 450px; z-index: 2} #txtRotateCameraD {position: absolute; top: 75px; left: 455px; width: 45px} #lblRotateCameraD {position: absolute; top: 79px; left: 505px} #selectTargetObjectRF {position: absolute; top: 38px; left: 1px; max-width: 100px; z-index: 2;} #lblLonPlus {position: absolute; top: 40px; left: 107px} #txtLongitudeRF {position: absolute; top: 36px; left: 117px; width: 40px;} #radioTrueLongitude {position: absolute; top: 32px; left: 192px; z-index: 2;} #lblTrueLongitude {position: absolute; top: 24px; left: 195px; z-index: 2;} #radioMeanLongitude {position: absolute; top: 65px; left: 192px; z-index: 2;} #lblMeanLongitude {position: absolute; top: 57px; left: 195px; z-index: 2;} #checkAxes {position: absolute; top: 100px; left: 262px; z-index: 2;} #lblAxes {position: absolute; top: 104px; left: 282px; z-index: 2;} #checkStereoCA {position: absolute; top: 100px; left: 312px; z-index: 2;} #lblStereoCA {position: absolute; top: 104px; left: 332px; z-index: 2;} #checkKeplerCA {position: absolute; top: 100px; left: 357px; z-index: 2;} #lblKeplerCA {position: absolute; top: 104px; left: 377px; z-index: 2;} #checkTrailsCA {position: absolute; top: 100px; left: 427px; z-index: 2;} #lblTrailsCA {position: absolute; top: 104px; left: 447px; z-index: 2;} #checkLabelsCA {position: absolute; top: 100px; left: 497px; z-index: 2;} #lblLabelsCA {position: absolute; top: 104px; left: 517px; z-index: 2;} #divTimeStep {top: 30px; left: 260px; height: 54px;} #lblTimeStepTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnPause {position: absolute; top: 25px; left: 3px} #btnTimeStepPlus {position: absolute; top: 26px; left: 37px} #spanTimeStep {position: absolute; top: 25px; left: 64px; width: 80px} #btnTimeStepMinus {position: absolute; top: 26px; left: 180px} #btnTimeDirection {position: absolute; top: 25px; left: 210px} #btnTimeStepClose {position: absolute} #divDistanceAndSpeedA {top:120px; left: 0px; height: 70px; visibility: hidden} #lblDistanceAndSpeedATitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #selectTargetObjectDSa {position: absolute; top: 45px; left: 1px; z-index: 2;} #selectReferenceObjectDSa {position: absolute; top: 45px; left: 1px; z-index: 2;} #lblDSaDistanceA {position: absolute; top: 25px; left: 3px; width: 160px;} #lblDSaSpeedA {position: absolute; top: 25px; left: 3px; width: 160px;} #lblDStangentialA {position: absolute; top: 25px; left: 3px; width: 160px;} #lblDSradialA {position: absolute; top: 25px; left: 3px; width: 160px;} #divCalendarDate {top:120px; left: 0px; height: 70px; visibility: hidden} #lblCalendarLocalTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #spanCalendarDate{position: absolute; top: 30px; left: 3px;} #btnCalendarDateClose {position: absolute;} #divCalendarDateUTC {top:30px; left: 0px; height: 70px;} #lblCalendarUTC {position: absolute; top: 0px; left: 0px; z-index: 2;} #spanCalendarDateUTC{position: absolute; top: 30px; left: 3px;} #btnCalendarDateUTCClose {position: absolute;} #divJulianDate {top: 200px; left: 0px; height: 54px; visibility: hidden} #lblJulianDateTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #spanJulianDate{position: absolute; top: 30px; left: 3px;} #btnJulianDateClose {position: absolute;} #divSetTime {top: 90px; left: 300px; height: 180px; visibility: hidden} #lblSetTimeTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #lblSetTimeDateAndTime {position: absolute; top: 25px; left: 3px; width: 160px;} #txtSetDateAndTime {position: absolute; top: 50px; left: 3px; width: 160px;} #btnSetTimeOK {position: absolute; top:130px; left: 3px; width: 50px;} #btnSetTimeClose{position: absolute;} #divEditObjectsVectors {top: 90px; left: 300px; height: 606px; visibility: hidden} #lblEditObjectsVectorsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnEditObjectsVectorsClose{position: absolute;} #lblSelectTargetObjectEOV {position: absolute; top: 30px; left: 1px} #selectTargetObjectEOV {position: absolute; top: 45px; left: 1px; z-index: 2;} #lblSelectReferenceObjectEOV {position: absolute; top: 80px; left: 1px} #selectReferenceObjectEOV {position: absolute; top: 95px; left: 1px; z-index: 2;} #lblEOVSelectName {position: absolute; top: 125px; left: 1px} #txtEOVName {position: absolute; top: 140px; left: 1px} #lblEditObjectsVectorsColor {position: absolute; top: 180px; left: 1px; width: 60px} #txtEditObjectsVectorsColor {position: absolute; top: 195px; left: 1px; width: 60px} #lblEditObjectsVectorsShadow {position: absolute; top: 180px; left: 63px; width: 60px} #txtEditObjectsVectorsShadow {position: absolute; top: 195px; left: 63px; width: 60px} #lblEditObjectsVectorsLabel {position: absolute; top: 180px; left: 125px; width: 60px} #txtEditObjectsVectorsLabel {position: absolute; top: 195px; left: 125px; width: 60px} #lblEditObjectsVectorsTrail {position: absolute; top: 225px; left: 1px; width: 60px} #txtEditObjectsVectorsTrail {position: absolute; top: 240px; left: 1px; width: 60px} #lblEditObjectsVectorsSubZ {position: absolute; top: 225px; left: 63px; width: 60px} #txtEditObjectsVectorsSubZ {position: absolute; top: 240px; left: 63px; width: 60px} #lblEditObjectsVectorMass {position: absolute; top: 275px; left: 1px} #btnEditObjectsVectorMassUnits {position: absolute; top: 270px; left: 60px} #txtEditObjectsVectorsMass {position: absolute; top: 290px; left: 1px} #lblEditObjectsVectorDiameter {position: absolute; top: 325px; left: 1px} #btnEditObjectsVectorDiameterUnits {position: absolute; top: 320px; left: 60px} #txtEditObjectsVectorsDiameter {position: absolute; top: 340px; left: 1px} #lblEditObjectsVectorLocation {position: absolute; top: 385px; left: 1px; width: 120px} #btnEditObjectsVectorPositionUnits {position: absolute; top: 380px; left: 135px} #txtEditObjectsVectorsX {position: absolute; top: 400px; left: 1px} #txtEditObjectsVectorsY {position: absolute; top: 420px; left: 1px} #txtEditObjectsVectorsZ {position: absolute; top: 440px; left: 1px} #lblEditObjectsVectorVelocity {position: absolute; top: 485px; left: 1px; width: 120px} #btnEditObjectsVectorVelocityUnits {position: absolute; top: 480px; left: 135px} #txtEditObjectsVectorsVx {position: absolute; top: 500px; left: 1px} #txtEditObjectsVectorsVy {position: absolute; top: 520px; left: 1px} #txtEditObjectsVectorsVz {position: absolute; top: 540px; left: 1px} #btnEditObjectsVectorsApply {position: absolute; top: 580px; left: 1px} #btnEditObjectsVectorsDelete {position: absolute; top: 580px; left: 85px} #divEditObjectsElements {top: 90px; left: 300px; height: 606px; visibility: hidden} #lblEditObjectsElementsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnEditObjectsElementsClose{position: absolute;} #lblSelectTargetObjectEOE {position: absolute; top: 30px; left: 1px} #selectTargetObjectEOE {position: absolute; top: 45px; left: 1px; z-index: 2;} #lblSelectReferenceObjectEOE {position: absolute; top: 80px; left: 1px} #selectReferenceObjectEOE {position: absolute; top: 95px; left: 1px; z-index: 2;} #lblEOESelectName {position: absolute; top: 125px; left: 1px} #txtEOEName {position: absolute; top: 140px; left: 1px} #lblEditObjectsElementsColor {position: absolute; top: 180px; left: 1px; width: 60px} #txtEditObjectsElementsColor {position: absolute; top: 195px; left: 1px; width: 60px} #lblEditObjectsElementsShadow {position: absolute; top: 180px; left: 63px; width: 60px} #txtEditObjectsElementsShadow {position: absolute; top: 195px; left: 63px; width: 60px} #lblEditObjectsElementsLabel {position: absolute; top: 180px; left: 125px; width: 60px} #txtEditObjectsElementsLabel {position: absolute; top: 195px; left: 125px; width: 60px} #lblEditObjectsElementsTrail {position: absolute; top: 225px; left: 1px; width: 60px} #txtEditObjectsElementsTrail {position: absolute; top: 240px; left: 1px; width: 60px} #lblEditObjectsElementsSubZ {position: absolute; top: 225px; left: 63px; width: 60px} #txtEditObjectsElementsSubZ {position: absolute; top: 240px; left: 63px; width: 60px} #lblEditObjectsElementsMass {position: absolute; top: 275px; left: 1px} #btnEditObjectsElementsMassUnits {position: absolute; top: 270px; left: 60px} #txtEditObjectsElementsMass {position: absolute; top: 290px; left: 1px} #lblEditObjectsElementsDiameter {position: absolute; top: 325px; left: 1px} #btnEditObjectsElementsDiameterUnits {position: absolute; top: 320px; left: 60px} #txtEditObjectsElementsDiameter {position: absolute; top: 340px; left: 1px} #lblEditObjectsElementsLocation {position: absolute; top: 385px; left: 1px; width: 120px} #btnEditObjectsElementsPositionUnits {position: absolute; top: 400px; left: 156px} #txtEditObjectsElementsX {position: absolute; top: 400px; left: 1px; width: 150px} #txtEditObjectsElementsY {position: absolute; top: 420px; left: 1px; width: 150px} #txtEditObjectsElementsZ {position: absolute; top: 440px; left: 1px; width: 150px} #lblEditObjectsElementsVelocity {position: absolute; top: 485px; left: 1px; width: 120px} #txtEditObjectsElementsVx {position: absolute; top: 500px; left: 1px; width: 150px} #txtEditObjectsElementsVy {position: absolute; top: 520px; left: 1px; width: 150px} #txtEditObjectsElementsVz {position: absolute; top: 540px; left: 1px; width: 150px} #btnEditObjectsElementsApply {position: absolute; top: 580px; left: 1px} #btnEditObjectsElementsDelete {position: absolute; top: 580px; left: 85px} #divStars {top:30px; left: 260px; height: 360px; visibility: hidden;} #lblStarsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnStarsClose {position: absolute;} #lblSelectStars {position: absolute; top: 30px; left: 1px} #selectStars {position: absolute; top: 45px; left: 1 px; z-index: 2} #lblStarBrightness{position: absolute; top: 75px; left: 1px} #txtStarBrightness{position: absolute; top: 90px; left: 1px} #hrStars{position: absolute; top: 120px; width: 100%} #checkRaDec {position: absolute; top: 140px; left: 3px; z-index: 2} #lblRaDec {position: absolute; top: 143px; left: 24px; width: 90px; z-index: 2;} #checkConstellationBoundaries {position: absolute; top: 140px; left: 110px; z-index: 2} #lblBoundaries {position: absolute; top: 143px; left: 131px; width: 90px; z-index: 2;} #lblGridBrightness {position: absolute; top: 163px; left:1px;} #txtGridBrightness {position: absolute; top: 178px; left: 1px} #lblRaSpacing {position: absolute; top: 208px; left: 1px} #txtRaSpacing {position: absolute; top: 223px; left: 1px} #lblDecSpacing {position: absolute; top: 253px; left: 1px} #txtDecSpacing {position: absolute; top: 268px; left: 1px} #lblGridColor {position: absolute; top: 298px; left: 1px} #txtGridColor {position: absolute; top: 313px; left: 1px} #divRotatingFrame {top:30px; left: 260px; height: 160px; visibility: hidden;} #lblRotatingFrameTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnRotatingFrameClose {position: absolute;} #lblTargetObjectRF {position: absolute; top: 20px; left: 0px; z-index: 2;} #lblReferenceObjectRF {position: absolute; top: 70px; left: 0px; z-index: 2;} #selectReferenceObjectRF {position: absolute; top: 90px; left: 0px; z-index: 2;} #lblLongitudeRF {position: absolute; top: 120px; left: 0px; z-index: 2; visibility: hidden;} #lblAltitudeRF {position: absolute; top: 170px; left: 0px; z-index: 2; visibility: hidden} #txtAltitudeRF {position: absolute; top: 190px; left: 3px; width: 160px; visibility: hidden;} #lblDistanceRF {position: absolute; top: 220px; left: 0px; z-index: 2; visibility: hidden;} #txtDistanceRF {position: absolute; top: 240px; left: 3px; width: 160px; visibility: hidden;} #checkRF {position: absolute; top: 270px; left: 3px; z-index: 2; visibility: hidden;} #divLargerPlayButton {position: fixed; top: 0px; left: 0px; visibility: hidden; z-index: 2} #btnLargerPlayButton{position: absolute; top: 300px; background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/playButton.png'); z-index: 3;} #btnCreatePreTrails {position: absolute; top: 210px; left: 20px} #divCitiesA{top: 30px; left:500px; height: 200px; visibility: hidden} #lblCitiesTitleA {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnCitiesCloseA {position: absolute} #selectCitiesA {position: absolute; top: 40px; left: 0px; z-index: 2} #lblLatitudeCitiesA {position: absolute; top: 85px; left: 0px; z-index: 2} #txtLatitudeCitiesA {position: absolute; top: 105px; left: 0px; z-index: 2} #lblLongitudeCitiesA {position: absolute; top: 140px; left: 0px; z-index: 2} #txtLongitudeCitiesA {position: absolute; top: 165px; left: 0px; z-index: 2} #divCitiesB{top: 30px; left:500px; height: 200px; visibility: hidden} #lblCitiesTitleB {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnCitiesCloseB {position: absolute} #selectCitiesB {position: absolute; top: 40px; left: 0px; z-index: 2} #lblLatitudeCitiesB {position: absolute; top: 85px; left: 0px; z-index: 2} #txtLatitudeCitiesB {position: absolute; top: 105px; left: 0px; z-index: 2} #lblLongitudeCitiesB {position: absolute; top: 140px; left: 0px; z-index: 2} #txtLongitudeCitiesB {position: absolute; top: 165px; left: 0px; z-index: 2} #divToFromA {top:30px; left: 260px; height: 490px; visibility: hidden} #lblToFromATitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnToFromAClose {position: absolute;} #lblTargetObjectA {position: absolute; top: 20px; left: 0px; z-index: 2;} #selectTargetObjectA {position: absolute; top: 40px; left: 0px; z-index: 2;} #lblCameraObjectA {position: absolute; top: 70px; left: 0px; z-index: 2;} #selectCameraObjectA {position: absolute; top: 90px; left: 0px; z-index: 2;} #spanBarycenterCheckBoxA {position: absolute; top: 120px; left: 0px; width: 90px; z-index: 2;} #checkBarycenterPerspectiveA {position: absolute; top: 120px; left: 100px; z-index: 2;} #lblMinimumObjectSizeA {position: absolute; top: 150px; left: 0px; z-index: 2;} #txtMinimumObjectSizeA {position: absolute; top: 170px; left: 0px; z-index: 2;} #lblTrailSizeA {position: absolute; top: 200px; left: 0px; z-index: 2;} #txtTrailSizeA {position: absolute; top: 220px; left: 0px; z-index: 2} #lblZoomA {position: absolute; top:246px; left: 0px; z-index:2} #pZoomInA {position: absolute; top: 270px; left: 0px; z-index:2} #txtFOVa {position: absolute; top:270px; left: 30px; z-index:2} #pZoomOutA {position: absolute; top: 270px; left: 180px; z-index:2} #checkStarsA {position: absolute; top: 310px; left: 0px; z-index: 2;} #lblStarsA {position: absolute; top: 310px; left: 20px; width: 90px; z-index: 2;} #checkStarsLabelsA {position: absolute; top: 335px; left: 0px; z-index: 2;} #checkStarsProperA {position: absolute; top: 335px; left: 20px; z-index: 2;} #lblStarsLabelsA {position: absolute; top: 335px; left: 40px; width: 90px; z-index: 2;} #checkKBOsA {position: absolute; top: 360px; left: 0px; z-index: 2;} #lblKBOsA {position: absolute; top: 360px; left: 20px; width: 90px; z-index: 2;} #checkPreTrailsA {position: absolute; top: 385px; left: 0px; z-index: 2;} #lblPreTrailsA {position: absolute; top: 385px; left: 20px; width: 90px; z-index: 2;} #checkCrescentsA {position: absolute; top: 410px; left: 0px; z-index: 2;} #lblCrescentsA {position: absolute; top: 410px; left: 20px; width: 90px; z-index: 2;} #checkSunGraphicA {position: absolute; top: 435px; left: 0px; z-index: 2;} #lblSunGraphicA {position: absolute; top: 435px; left: 20px; width: 90px; z-index: 2;} #checkLabelsA {position: absolute; top: 460px; left: 0px;} #lblLabelsA {position: absolute; top: 460px; left: 20px} #txtFontA {position: absolute; top: 460px; left: 80px;} #divToFromB {top:330px; left: 260px; height: 294px; visibility: hidden;} #lblToFromBTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnToFromBClose {position: absolute;} #lblTargetObjectB{position: absolute; top: 20px; left: 0px; z-index: 2;} #selectTargetObjectB {position: absolute; top: 40px; left: 0px; z-index: 2;} #lblCameraObjectB {position: absolute; top: 70px; left: 0px; z-index: 2;} #selectCameraObjectB {position: absolute; top: 90px; left: 0px; z-index: 2;} #spanBarycenterCheckBoxB {position: absolute; top: 120px; left: 0px; width: 90px; z-index: 2;} #checkBarycenterPerspectiveB {position: absolute; top: 120px; left: 100px; z-index: 2;} #lblMinimumObjectSizeB {position: absolute; top: 150px; left: 0px; z-index: 2;} #txtMinimumObjectSizeB {position: absolute; top: 170px; left: 0px; z-index: 2;} #lblTrailSizeB {position: absolute; top: 200px; left: 0px; z-index: 2;} #txtTrailSizeB {position: absolute; top: 220px; left: 0px; z-index: 2} #lblZoomB {position: absolute; top:246px; left: 0px; z-index:2} #pZoomInB {position: absolute; top: 270px; left: 0px; z-index:2} #txtFOVb {position: absolute; top:270px; left: 30px; z-index:2} #pZoomOutB {position: absolute; top: 270px; left: 180px; z-index:2} #checkStarsB {position: absolute; top: 310px; left: 0px; z-index: 2;} #lblStarsB {position: absolute; top: 310px; left: 20px; width: 90px; z-index: 2;} #checkStarsLabelsB {position: absolute; top: 335px; left: 0px; z-index: 2;} #lblStarsLabelsB {position: absolute; top: 335px; left: 20px; width: 90px; z-index: 2;} #checkKBOsB {position: absolute; top: 360px; left: 0px; z-index: 2;} #lblKBOsB {position: absolute; top: 360px; left: 20px; width: 90px; z-index: 2;} #checkPreTrailsB {position: absolute; top: 385px; left: 0px; z-index: 2;} #lblPreTrailsB {position: absolute; top: 385px; left: 20px; width: 90px; z-index: 2;} #checkCrescentsB {position: absolute; top: 410px; left: 0px; z-index: 2;} #lblCrescentsB {position: absolute; top: 410px; left: 20px; width: 90px; z-index: 2;} #checkSunGraphicB {position: absolute; top: 435px; left: 0px; z-index: 2;} #lblSunGraphicB {position: absolute; top: 435px; left: 20px; width: 90px; z-index: 2;} #checkLabelsB {position: absolute; top: 460px; left: 0px;} #lblLabelsB {position: absolute; top: 460px; left: 20px} #txtFontB {position: absolute; top: 460px; left: 80px;} #divScreenShotImage {top:200px; left: 600px; width: 300px; height: 200px; visibility: hidden;} #lblScreenShotImageTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnScreenShotImageClose {position: absolute; left: 275px; z-index: 2} #imgScreenShotImage {position: absolute; top: 0px; left: 0px; width: 298px; height: 198px} #divOutputFile {top:200px; left: 600px; width: 300px; height: 200px; visibility: hidden;} #checkCreateDataFile{} #lblSampleEvery{} #txtSampleEvery{} #lblMaxDataSamples{} #txtMaxDataSamples{} #checkDataSma{} #checkDataEcc{} #checkDataInc{} #checkDataNode{} #checkDataPeri{} #checkDataMa{} #checkDataRx{} #checkDataRy{} #checkDataRz{} #checkDataVx{} #checkDataVy{} #checkDataVz{} #selectDataObjects{} #divQuickHelp {top:200px; left: 600px; width: 200px; height: 300px; visibility: hidden} #lblQuickHelpTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnQuickHelpClose {position: absolute; left: 180px} #txtAreaQuickHelp {position: absolute; top: 20px; left: 1px; width: 198px; height: 298px} #divAPsingleEvents {top:200px; left: 600px; width: 400px; height: 370px; visibility: hidden;} #lblAPsingleEventsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnAPsingleEventsClose {position: absolute; left: 380px} #txtAreaAPsingleEvents {position: absolute; top: 20px; left: 1px; width: 398px; height: 300px} #btnAPsingleEventsUpdate {position: absolute; top: 340px; left: 1px} #divAPnow {top:200px; left: 600px; width: 400px; height: 370px; visibility: hidden;} #lblAPnowTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnAPnowClose {position: absolute; left: 380px} #txtAreaAPnow {position: absolute; top: 20px; left: 1px; width: 398px; height: 300px} #btnAPnowUpdate {position: absolute; top: 340px; left: 1px} #divAPperIteration {top:200px; left: 600px; width: 400px; height: 370px; visibility: hidden;} #lblAPperIterationTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnAPperIterationClose {position: absolute; left: 380px} #txtAreaAPperIteration {position: absolute; top: 20px; left: 1px; width: 398px; height: 300px} #btnAPperIterationUpdate {position: absolute; top: 340px; left: 1px} #divAPperGraphicUpdate {top:200px; left: 600px; width: 400px; height: 370px; visibility: hidden;} #lblAPperGraphicUpdateTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnAPperGraphicUpdateClose {position: absolute; left: 380px} #txtAreaAPperGraphicUpdate {position: absolute; top: 20px; left: 1px; width: 398px; height: 300px} #btnAPperGraphicUpdateUpdate {position: absolute; top: 340px; left: 1px} #divScreenShots {top:200px; left: 600px; height: 560px; visibility: hidden;} #lblScreenShotsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnScreenShotsClose {position: absolute;} #btnTakeScreenShots {position: absolute; top: 28px; left: 0px;} #lblScreenShotsDimensions {position: absolute; top: 108px; left: 0px} #txtScreenShotDimensions {position: absolute; top: 128px; left: 0px} #checkScreenShotsCls{position: absolute; top:158px; left: 0px} #lblScreenShotsCls{position: absolute; top: 158px; left: 25px} #checkScreenShotsAforeground{position: absolute; top: 188px; left: 0px;} #lblscreenShotsAforeground{position: absolute; top: 188px; left: 25px;} #checkScreenShotsAbackground{position: absolute; top: 218px; left: 0px;} #lblscreenShotsAbackground{position: absolute; top: 218px; left: 25px;} #lblScreenShotsAposition {position: absolute; top: 248px; left: 0px} #txtScreenShotsAposition {position: absolute; top: 268px; left: 0px} #checkScreenShotsBforeground{position: absolute; top: 298px; left: 0px;} #lblscreenShotsBforeground{position: absolute; top: 298px; left: 25px;} #checkScreenShotsBbackground{position: absolute; top: 328px; left: 0px;} #lblscreenShotsBbackground{position: absolute; top: 328px; left: 25px;} #lblScreenShotsBposition {position: absolute; top: 358px; left: 0px} #txtScreenShotsBposition {position: absolute; top: 378px; left: 0px} #lblScreenShotData {position: absolute; top:408px; left: 0px} #divPreferences {top:20px; left: 100px; height: 360px; visibility: hidden} #lblPreferencesTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnPreferencesClose {position: absolute;} #lblDoEvents {position: absolute; top: 28px; left: 0px} #txtDoEvents {position: absolute; top: 48px; left: 0px} #lblSelectIntegrator {position: absolute; top: 85px; left: 0px;} #selectIntegrator {position: absolute; top: 105px; left: 0px; z-index: 2;} #lblStepsPerRadian {position: absolute; top: 135px; left: 0px;} #txtStepsPerRadian {position: absolute; top: 165px; left: 0px;} #lblEventsDuration {position: absolute; top: 200px; left: 0px} #txtEventsDuration {position: absolute; top: 220px; left: 0px} #lblOpacity {position: absolute; top: 255px; left: 0px} #txtOpacity {position: absolute; top: 270px; left: 0px} #checkMedia {position: absolute; top: 300px; left: 1px} #lblMedia {position: absolute; top: 300px; left: 20px} #checkRealTime {position: absolute; top: 330px; left: 1px} #lblRealTime {position: absolute; top: 330px; left: 20px} #divCollisionLog {top:20px; left: 100px; height: 75px; width: 580px; visibility: hidden} #lblCollisionLogTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnCollisionLogClose {position: absolute; left: 558px} #txtAreaCollisionLog {position: absolute; top: 20px; left: 1px; width: 578px; height: 54px;} #divSimulationDescription {top:20px; left: 150px; height: 75px; width: 580px; visibility: hidden} #lblSimulationDescriptionTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnSimulationDescriptionClose {position: absolute; left: 558px} #txtAreaSimulationDescription {position: absolute; top: 20px; left: 1px; width: 578px; height: 54px;} #divScreens {position: fixed; z-index: 2; top:200px; left: 600px; width: 250px; height: 40px; opacity: 0.8; background-color: #111111; border: none; visibility: hidden;} #divEccentricity {position: absolute; z-index: 2; top:10px; left: 555px; width: 250px; height: 40px; opacity: 0.8; background-color: #111111; border: none; visibility: hidden;} #divSMA {position: absolute; z-index: 2; top:60px; left: 555px; width: 250px; height: 40px; opacity: 0.8; background-color: #111111; border: none; visibility: hidden;} #divVectors {top:30px; left: 350px; width: 170px; height: 420px; visibility: hidden;} #lblVectorsTitle{position: absolute; top: 0px; left: 0px; z-index: 2;} #btnVectorsClose {position: absolute; left: 150px} #selectvectorObj1A {position: absolute; top: 25px; left: 1px; z-index: 2} #selectvectorObj2A {position: absolute; top: 45px; left: 1px; z-index: 2} #btnPositionUnits {position: absolute; top: 75px; left: 1px; width: 150px} #txtObjx {position: absolute; top:95px; left: 1px} #txtObjy {position: absolute; top:115px; left: 1px} #txtObjz {position: absolute; top:135px; left: 1px} #btnVelocityUnits {position: absolute; top:165px; left: 1px; width: 150px} #txtObjvx {position: absolute; top:185px; left: 1px} #txtObjvy {position: absolute; top: 205px; left: 1px} #txtObjvz {position: absolute; top: 225px; left: 1px} #lblDistanceAndSpeed {position: absolute; top:255px; left: 1px; color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif} #txtDistance{position: absolute; top: 280px; left: 1px} #txtSpeed{position: absolute; top: 300px; left: 1px} #spanTangentialSpeedVectors {position: absolute; top: 330px; left: 1px; color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif} #lblTangentialSpeedVectors {position: absolute; top: 355px; left: 1px} #spanRadialVelocityVectors {position: absolute; top: 380px; left: 1px; color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif} #lblRadialVelocityVectors {position: absolute; top: 400px; left: 1px} #divFocusObject {position: fixed; z-index: 2; top:680px; left: 20px; width: 250px; height: 40px; opacity: 0.8; background-color: #111111; border: none; visibility: hidden;} #divCreateObjects {top:200px; left: 600px; width: 650px; height: 460px; visibility: hidden;} #lblCreateObjectsTitle{position: absolute; top: 0px; left: 0px; width: 650px; z-index: 2;} #btnCreateObjectsClose {position: absolute; left: 630px} #tblCreateObjects {position: absolute; left: 0px; top: 30px} #btnCreateObjects {position: absolute; left: 0px; top: 430px; z-index: 3;} #divClones {top: 200px; left:300px; height: 450px; width: 920px; visibility: hidden} #lblClonesTitle{position: absolute; top: 0px; left: 0px; z-index: 2;} #btnClonesClose {position: absolute; left: 900px} #lblClonesPaste {position: absolute; top: 30px; left: 0px;} #txtClonesPaste {position: absolute; top: 50px; left: 0px;} #btnClonesPaste {position: absolute; top: 75px; left: 0px;} #tableCloneElements {position: absolute; top: 105px; left: 0px;} #tableCloneCovarianceMatrix {position: absolute; top: 225px; left: 0px;} #btnCreateClones {position: absolute; top: 405px; left: 0px;} #divSaveAs {top:200px; left: 600px; height: 698px; visibility: hidden} #lblSaveAsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #lblSaveAsFileName {position: absolute; top: 25px; left: 0px; z-index: 2;} #txtSaveAsFileName {position: absolute; top: 45px; left: 0px; z-index: 2;} #lblSaveAsKeywords {position: absolute; top: 75px; left: 0px; z-index: 2;} #txtSaveAsKeywords {position: absolute; top: 95px; left: 0px; z-index: 2;} #lblSaveAsDescription {position: absolute; top: 125px; left: 0px; z-index: 2;} #txtAreaSaveAsDescription {position: absolute; top: 145px; left: 0px; width: 240px; height: 200px; z-index: 2;} #lblSaveAsAuthor {position: absolute; top: 365px; left: 0px; z-index: 2;} #txtSaveAsAuthor {position: absolute; top: 385px; left: 0px; z-index: 2;} #lblSaveAsTempLink {position: absolute; top: 415px; left: 20px; z-index: 2;} #checkSaveAsTempLink {position: absolute; top: 415px; left: 0px; z-index: 2;} #lblSaveAsShare {position: absolute; top: 435px; left: 20px; z-index: 2;} #checkSaveAsShare {position: absolute; top: 434px; left: 0px; z-index: 2;} #btnSaveAs {position: absolute; top: 465px; left: 0px; z-index: 2;} #lblSaveAsAddress {position: absolute; top: 495px; left: 0px; z-index: 2;} #spanSimURL {position: absolute; top: 515px; left: 0px; width: 245px; height: 60px z-index: 2;} //#btnSaveAsNavigateTo {position: absolute; top:515px; left: 0px; z-index: 3;} #lblSaveAsSourceCode {position: absolute; top: 595px; left: 0px; z-index: 2;} #txtAreaSaveAs {position: absolute; top:615px; left: 0px; width: 245px; height: 80px; z-index: 2;} #btnSaveAsClose {position: absolute} #divImportObjectsLite {top:210px; left: 600px; height: 110px; visibility: hidden} #lblImportObjectsLiteTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnImportObjectsLiteClose {position: absolute} #txtImportObjectsLite {position: absolute; top: 30px; left: 1px; width: 150px} #btnImportObjectsLite {position: absolute; top: 55px; left: 1px} #lblImportObjectsLite {position: absolute; top: 80px; left: 1px} #txtImportColor {position: absolute; top: 30px; left: 160px; width: 60px} #divImportObjects {top:210px; left: 600px; width: 355px; height: 560px; visibility: hidden} #lblImportObjectsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnImportObjectsClose {position: absolute; left: 334px} #checkDeleteExistingObjects{position: absolute; left: 1px; top: 35px} #lblDeleteExistingObjects {position: absolute; left: 25px; top: 28px; width: 100px;} #lblImportSetTimeDateAndTime {position: absolute; top: 30px; left: 130px; width: 165px;} #txtImportSetDateAndTime {position: absolute; top: 45px; left: 130px; width: 165px;} #btnImportNow {position: absolute; top: 45px; left:300px} #divImportButtons {position: absolute; top: 80px; left: 1px: height: 100px} #txtAreaObjects {position: absolute; width: 350px; height: 300px; top: 215px} #btnImportObjects{position: absolute; top: 530px} #divDeleteObjects {top:200px; left: 600px; height: 500px; visibility: hidden} #lblDeleteObjectsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnDeleteObjectsClose {position: absolute} #divDeleteList{position: absolute; top: 20px; left: 0px; width: 100%; height: 440px; overflow: scroll} #btnDeleteList{position: absolute; top: 466px; left: 1px;} #btnDeleteExistingObjects{position: absolute; top: 466px; left: 125px} #divPreTrailObjectList {top:200px; left: 600px; height: 500px; visibility: hidden} #lblPreTrailObjectListTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #divPTOList{position: absolute; top: 20px; left: 0px; width: 100%; height: 440px; overflow: scroll} #btnPreTrailObject{position: absolute; top: 466px;} #btnPreTrailObjectListClose {position: absolute} .classNewDiv {color: cyan; background-color: Transparent; font-family: 'Lucida Console', Monaco, monospace; font-size: 12px; z-index: 2; border: none; opacity:0.8} .classNewDivButton {width: 30px; height: 30px; border-radius: 6px;} .classBtnOptions { z-index: 3; position: absolute; top: 0px; left: 115px; width: 35px; height: 35px; background-repeat:no-repeat; -webkit-border-radius: 12px; -moz-border-radius: 12px; border-radius: 12px; -webkit-border-radius: 12px; -moz-border-radius: 12px; background: transparent; //opacity: 0.8; background-color: #000020; color: green; border-color: #3b8e92; background-size: 32px; background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/gearImg.png"); visibility: hidden; } .classBtnMacro { z-index: 3; position: absolute; top: 0px; left: 115px; width: 73px; height: 73px; background-repeat:no-repeat; -webkit-border-radius: 12px; -moz-border-radius: 12px; border-radius: 12px; -webkit-border-radius: 12px; -moz-border-radius: 12px; background: transparent; //opacity: 0.8; background-color: #000020; color: green; border-color: #3b8e92; //background-size: 32px; } .divCheck {position: absolute; top:0px; left:75px; width: 35px; height: 35px; cursor:pointer; background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF");} .classLblCheck {position: absolute; top: 7px; left: 0px;} .btnCheck {position: absolute; top: 0px; left: 0px;} #btnOptionHeliocentric {background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/sunIcon2.GIF')} #btnOptionGeocentric {background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/earthIcon2.GIF');} #btnOptionSkyView {background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/skyIcon2.GIF');} #divBigA {position: absolute; top: 20px; left: 0px; width: 1px; height: 1px; border-style: none;} #divHorizontal {position: absolute; top: 20px; left: 110px; height: 12px; width: 812px;} #divZoomBar {background-color: #000055; position: absolute; left:0px; top:0px; width:300px; height:30px; border-radius: 25px;} #divZoom{background-image: linear-gradient(blue 0%, cyan 98%); position: absolute; width: 60px; height: 30px; top: 0px; border-radius: 25px;} #divAzimuthBar {background-color: #000055; position: absolute; left: 0px; top:40px; width: 300px; height:30px; border-radius: 25px} #divAzimuth {background-image: linear-gradient(blue 0%, cyan 98%); position: absolute; width: 60px; height: 30px; top: 0px; border-radius: 25px;} #divPlayPause {position: absolute; top: 150px; height: 100px; width: 100px} #divVertical {position: absolute; top: 20px; left:0px; height: 812px; width: 100px; border-style: none;} #divAltitudeBar {background-color: #000055; position: absolute; left: 50px; top: 0px; width: 30px; height: 300px; border-radius: 25px;} #divAltitude {background-image: linear-gradient(blue 0%, cyan 98%); background-color: purple; position: absolute; width: 30px; height: 60px; left: 0px; border-radius: 25px;} #divDistanceBar {background-color: #000055; position: absolute; left:10px; top:0px; width: 30px; height: 300px; border-radius: 25px;} #divDistance {background-image: linear-gradient(blue 0%, cyan 98%); background-color: purple; position: absolute; width: 30px; height: 60px; left: 0px; border-radius: 25px;} #spanTo {position: absolute; top:-10px; left: 320px; width: 112px; height: 60px;} #spanFrom {position: absolute; top:30px; left: 320px; width: 112px; height: 49px;} #btnPlayMedium {position: absolute; top: 100px; left: 130px; background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/playButton.png'); background-size: 110px;} #btnDirectionMedium {position: absolute; top: 100px; left: 0px; background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/forwardButton.png'); background-size: 110px;} #spanView {position: absolute; top: 230px; left: 5px; width: 100px} #spanOrbits {position: absolute; top: 320px; left: 10px; width: 100px;} #spanTrails {position: absolute; top: 360px; left: 10px; width: 100px;} #spanAxes {position: absolute; top: 400px; left: 10px; width: 100px;} #span3d {position: absolute; top: 520px; left: 10px; width: 100px;} #spanNames {position: absolute; top: 440px; left: 10px; width: 50px;} #spanStars {position: absolute; top: 480px; left: 10px; width: 100px} #spanRF {position: absolute; top: 560px; left:10px; width: 100px} #lblRF {top: 0px; font-size: 15px;} #lblRF2 {top: 20px; font-size: 15px;} #select1 {width: 140px; max-width: 140px; font-size: 16px; background-color: #0000BB; color: #00FFFF; border-radius: 3px} #select2 {width: 140px; max-width: 140px; font-size: 16px; background-color: #0000BB; color: #00FFFF; border-radius: 3px} #btnOptionCities {position: absolute; top: 40px; left: 50px} .classControlDiv {position: fixed; width: 250px; border: 1px solid blue; background-color: rgba(0,0,255,0.1); z-index: 2;} .classControlTitle {width: 100%; background-color: rgba(0, 0, 200, 0.8); color: white; font-family: Tahoma, Geneva, sans-serif; z-index: 2;} .classLblData {color: cyan; background-color: Transparent; font-family: 'Lucida Console', Monaco, monospace; font-size: 12px; z-index: 2; border: none; opacity:0.8} .classTxtInput {color: white; background-color: black; z-index: 2; opacity: 0.8} .classSelect {color: white; background-color: red; z-index: 2; border: none; opacity: 0.8} .classBtn {-webkit-border-radius: 5px; -moz-border-radius: 5px; border-radius: 5px; -webkit-border-radius: 5px; -moz-border-radius: 5px; background: transparent; opacity: 0.8; background-color: #000020; color: cyan; border-color: #3b8e92; } .classTxtColor {-webkit-border-radius: 5px; -moz-border-radius: 5px; border-radius: 5px; -webkit-border-radius: 5px; -moz-border-radius: 5px; background: transparent; opacity: 0.8; background-color: #000020; color: cyan; border-color: #3b8e92; } .classBtnSmall { z-index: 3; width: 20px; height: 20px; -webkit-border-radius: 15px; -moz-border-radius: 15px; border-radius: 15px; -webkit-border-radius: 15px; -moz-border-radius: 15px; background: transparent; opacity: 0.8; background-color: #000020; color: cyan; border-color: #3b8e92; } .classBtnPlay2 { //delete me height: 460px; width: 460px; background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/playButton.png'); background-repeat:no-repeat; } .classBtnPlay { z-index: 3; width: 460px; height: 460px; background-repeat:no-repeat; -webkit-border-radius: 150px; -moz-border-radius: 150px; border-radius: 150px; -webkit-border-radius: 150px; -moz-border-radius: 150px; background: transparent; opacity: 0.8; background-color: #000020; color: cyan; border-color: #3b8e92; } .classBtnPlayMedium { z-index: 3; width: 115px; height: 115px; background-repeat:no-repeat; -webkit-border-radius: 38px; -moz-border-radius: 38px; border-radius: 38px; -webkit-border-radius: 38px; -moz-border-radius: 38px; background: transparent; //opacity: 0.8; background-color: #000020; color: green; border-color: #3b8e92; } * {-webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; } .classTable{color: cyan; background-color:#111111; opacity: 0.8} .classBtnUnit { width: 40px; color: cyan; background-color: Transparent; background-repeat:no-repeat; border: none; cursor:pointer; overflow: hidden; outline:none; } .classMenuButton:hover {background: #383;} .classBtnClose { z-index: 3; width: 20px; height: 20px; left: 228px; top: 0px; -webkit-border-radius: 15px; -moz-border-radius: 5px; border-radius: 5px; -webkit-border-radius: 5px; -moz-border-radius: 5px; background: transparent; opacity: 0.8; background-color: #000020; color: red; border-color: #928e3b;} .classMenuButton {color: cyan; background-color: black; background-repeat:no-repeat; border: none; cursor:pointer; overflow: hidden; outline:none; font-size: 16px; font-family: Geneva, Tahoma, Verdana, sans-serif; opacity: 0.8; } #btnViewMenu { //position: absolute; //top: 3px; //left: 71px; } //#lblLabelsA {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblScreens {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblScreenShots {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblScreenWidth {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #spanScreenWidth {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblPreferences {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblDoEvents {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblEventsDuration {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblUpdateGraphics {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblMinimumObjectSize {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblDivEccentricity {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblEccentricity {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblDivSMA {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblSMA {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblFocusObject {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #canvasPixels { position: absolute; z-index: 1; top: 0px; left: 0px; background-color:#000000; } #foregroundLayer { position: absolute; z-index: 2; top: 0px; left: 0px; } #canvasPixelsPerspectiveA { position: absolute; z-index: 1; top: 0px; left: 0px; background-color:#000000; } #foregroundLayerPerspectiveA { position: absolute; z-index: 2; top: 0px; left: 0px; } #trailLayerPerspectiveA { position: absolute; z-index: 2; top: 0px; left: 0px; } #canvasPixelsPerspectiveB { position: absolute; z-index: 1; top: 0px; left: 5000px; background-color:#000000; } #foregroundLayerPerspectiveB { position: absolute; z-index: 2; top: 0px; left: 5000px; } #trailLayerPerspectiveB { position: absolute; z-index: 2; top: 0px; left: 5000px; } //delete this one after all uses have been transfered to classBtnClose .btnClose { position: absolute; top: 0px; width: 15px; height: 15px; background-color: red; font-size: 8px; font-weight: bold; visibility: hidden; } #btnEccentricityClose {left: 235px} #btnSMAClose {left: 235px} #divStereo {top: 660px; left: 4px; height: 165px; visibility: hidden} #lblStereoTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #checkStereo {position: absolute; top: 25px; left: 0px;} #lblStereo {position: absolute; top: 25px; left: 22px;} #radioCrosseye {position: absolute; top: 145px; left: 0px; } #lblRCrosseye {position: absolute; top: 145px; left: 22px; } #radioParallel {position: absolute; top: 125px; left: 0px;} #lblRParallel {position: absolute; top: 125px; left: 22px; } #txtBaseline {position: absolute; top: 65px; left: 0px; z-index: 2; } #lblBaseline {position: absolute; top: 85px; left: 0px; width:100px;} #btnStereoClose {position: absolute;} #divBlank {top: 660px; left: 4px; height: 165px; visibility: hidden} #lblBlankTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnBlankClose {position: absolute;} </style> <script src="http://orbitsimulator.com/gravitySimulatorCloud/stars716DynamicWithNames.js" type="text/javascript"></script></head> <body style="cursor: auto;" bgcolor="#000000" onresize="sizeFrames()" data-twttr-rendered="true"> <center> <div id="divAds"> </div> </center> <div id="divMenuShow" style="visibility: visible;"> <input class="classBtn" id="btnMenuShow" onclick="menu()" type="button" value="...>"> </div> <div id="divMenu" style="visibility: visible;"> <input class="classMenuButton" id="btnFileMenu" onclick="fileMenu()" type="button" value="File "> <input class="classMenuButton" id="btnObjectsMenu" onclick="objectsMenu()" type="button" value="Objects "> <input class="classMenuButton" id="btnTimeMenu" onclick="timeMenu()" type="button" value="Time"><br> <input class="classMenuButton" id="btnVectorMenu" style="visibility: hidden;" onclick="document.getElementById('divVectors').style.visibility='visible';" type="button" value="Vectors"> <input class="classMenuButton" id="btnCalendarDate" style="visibility: hidden;" onclick="document.getElementById('divCalendarDate').style.visibility='visible';" type="button" value="Calendar date (Local)"> <input class="classMenuButton" id="btnCalendarDateUTC" style="visibility: hidden;" onclick="document.getElementById('divCalendarDateUTC').style.visibility='visible';" type="button" value="Calendar date (UTC)"> <input class="classMenuButton" id="btnJulianDate" style="visibility: hidden;" onclick="document.getElementById('divJulianDate').style.visibility='visible';" type="button" value="Julian day"> <input class="classMenuButton" id="btnPreferencesMenu" onmouseover="hideAllMenuButtons()" onclick="preferencesMenu()" type="button" value="Preferences"> <input class="classMenuButton" id="btnTimeStepMenu" style="visibility: hidden;" onclick=" document.getElementById('divTimeStep').style.visibility='visible'" type="button" value="Time step"> <input class="classMenuButton" id="btnSetDateAndTimeMenu" style="visibility: hidden;" onclick="setCurrentTime(); document.getElementById('divSetTime').style.visibility='visible';" type="button" value="Set time & date"> <input class="classMenuButton" id="btnToFromAMenu" style="visibility: hidden;" onclick="document.getElementById('divToFromA').style.visibility='visible';" type="button" value="Frame A"> <input class="classMenuButton" id="btnToFromBMenu" style="visibility: hidden;" onclick="document.getElementById('divToFromB').style.visibility='visible';" type="button" value="Frame B"> <input class="classMenuButton" id="btnScreensMenu" style="visibility: hidden;" onclick="document.getElementById('divScreens').style.visibility='visible';" type="button" value="Screens"> <input class="classMenuButton" id="btnScreenShotsMenu" style="visibility: hidden;" onclick="document.getElementById('divScreenShots').style.visibility='visible';" type="button" value="Screen shots"> <input class="classMenuButton" id="btnCollisionLogMenu" style="visibility: hidden;" onclick="document.getElementById('divCollisionLog').style.visibility='visible';" type="button" value="Collision log"> <input class="classMenuButton" id="btnSimulationDescriptionMenu" style="visibility: hidden;" onclick="document.getElementById('divSimulationDescription').style.visibility='visible';" type="button" value="Description"> <input class="classMenuButton" id="btnQuickHelpMenu" style="visibility: hidden;" onclick="document.getElementById('divQuickHelp').style.visibility='visible';" type="button" value="Quick help"> <input class="classMenuButton" id="btnManualMenu" style="visibility: hidden;" onclick="window.open('http://orbitsimulator.com/gravitySimulatorCloud/gsimHelp.html')" type="button" value="Manual"> <input class="classMenuButton" id="btnAboutMenu" style="visibility: hidden;" onclick="window.open('http://orbitsimulator.com/gravitySimulatorCloud/gsimAbout.html')" type="button" value="About"> <input class="classMenuButton" id="btnEditObjectsVectorsMenu" style="visibility: hidden;" onclick="populateEditObjectsVectors(true); document.getElementById('divEditObjectsVectors').style.visibility='visible';" type="button" value="Edit objects (vectors)"> <input class="classMenuButton" id="btnEditObjectsElementsMenu" style="visibility: hidden;" onclick="populateEditObjectsElements(true); document.getElementById('divEditObjectsElements').style.visibility='visible';" type="button" value="Edit objects (elements)"> <input class="classMenuButton" id="btnSaveAsMenu" style="visibility: hidden;" onclick="document.getElementById('divSaveAs').style.visibility='visible';" type="button" value="Save as"> <input class="classMenuButton" id="btnDisplayMenu" onclick="displayMenu()" type="button" value="Display"> <input class="classMenuButton" id="btnRotatingFrameMenu" style="visibility: hidden;" onclick="document.getElementById('divRotatingFrame').style.visibility='visible';" type="button" value="Rotating frame"> <input class="classMenuButton" id="btnStarsMenu" style="visibility: hidden;" onclick="document.getElementById('divStars').style.visibility='visible';" type="button" value="Stars"> <input class="classMenuButton" id="btnCameraAMenu" style="visibility: hidden;" onclick="document.getElementById('divRotateCameraA').style.visibility='visible';" type="button" value="Camera A"> <input class="classMenuButton" id="btnStereoMenu" style="visibility: hidden;" onclick="document.getElementById('divStereo').style.visibility='visible';" type="button" value="Stereo"> <input class="classMenuButton" id="btnBlankMenu" style="visibility: hidden;" onclick="document.getElementById('divBlank').style.visibility='visible';" type="button" value="Blank"> <input class="classMenuButton" id="btnCitiesAMenu" style="visibility: hidden;" onclick="document.getElementById('divCitiesA').style.visibility='visible';" type="button" value="Cities A"> <input class="classMenuButton" id="btnCitiesBMenu" style="visibility: hidden;" onclick="document.getElementById('divCitiesB').style.visibility='visible';" type="button" value="Cities B"> <input class="classMenuButton" id="btnLargePlayMenu" style="visibility: hidden;" onclick="if (bPause == 1){pause()};centerPlayButton(); document.getElementById('divLargerPlayButton').style.visibility='visible';" type="button" value="Large play button"> <input class="classMenuButton" id="btnMainMenu" style="visibility: hidden;" onclick="if (divBigA.style.visibility == 'hidden'){document.getElementById('divBigA').style.visibility='visible'; btnMainMenu.value = 'Hide Main Controls';} else {divBigA.style.visibility = 'hidden'; btnMainMenu.value = 'Show Main Controls'}" type="button" value="Hide Main Controls"> <input class="classMenuButton" id="btnAutopilotMenu" onclick="autoPilotMenu()" type="button" value="Autopilot"> <input class="classMenuButton" id="btnAPnowMenu" style="visibility: hidden;" onclick="document.getElementById('divAPnow').style.visibility='visible';" type="button" value="Now"> <input class="classMenuButton" id="btnAPsingleEventsMenu" style="visibility: hidden;" onclick="document.getElementById('divAPsingleEvents').style.visibility='visible';" type="button" value="Single events"> <input class="classMenuButton" id="btnAPperIterationMenu" style="visibility: hidden;" onclick="document.getElementById('divAPperIteration').style.visibility='visible';" type="button" value="Per iteration"> <input class="classMenuButton" id="btnAPperGraphicUpdateMenu" style="visibility: hidden;" onclick="document.getElementById('divAPperGraphicUpdate').style.visibility='visible';" type="button" value="Per graphic update"> <input class="classMenuButton" id="btnCreateObjectsMenu" style="visibility: hidden;" onclick="document.getElementById('divCreateObjects').style.visibility='visible';" type="button" value="Create objects"> <input class="classMenuButton" id="btnClonesMenu" style="visibility: hidden;" onclick="document.getElementById('divClones').style.visibility='visible'; document.getElementById('divClones').style.zIndex = '10'" type="button" value="Create object with clones"> <input class="classMenuButton" id="btnImportObjectsLiteMenu" style="visibility: hidden;" onclick="document.getElementById('divImportObjectsLite').style.visibility='visible'" type="button" value="Import object"> <input class="classMenuButton" id="btnImportObjectsMenu" style="visibility: hidden;" onclick="txtImportSetDateAndTime.value = UTC2(elapsedTime * 1000 + startDate); document.getElementById('divImportObjects').style.visibility='visible';" type="button" value="Import objects"> <input class="classMenuButton" id="btnDeleteObjectsMenu" style="visibility: hidden;" onclick="chooseDeletions(); document.getElementById('divDeleteObjects').style.visibility='visible';" type="button" value="Delete objects"> <input class="classMenuButton" id="btnPreTrailsMenu" style="visibility: hidden;" onclick="document.getElementById('divPreTrailObjectList').style.visibility='visible';" type="button" value="Orbits"> <input class="classMenuButton" id="btnHelpMenu" onclick="helpMenu()" type="button" value="Help"> <input class="classBtn" id="btnMenuHide" onclick="menuHide()" type="button" value="<..."> </div> <img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/playButton.png"> <img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/forwardButton.png"> <img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/pauseButton.png"> <img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/backButton.png"> <img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/earthIcon.png"> <img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/sunIcon.png"> <div class="classControlDiv ui-draggable" id="divStereo" style="left: 142px; top: 369px; visibility: hidden;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblStereoTitle">Stereo</label> <input id="checkStereo" onclick="stereo()" type="checkbox"> <label class="classLblData" id="lblStereo" for="checkStereo">Stereo</label> <input class="classTxtInput" id="txtBaseline" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeBaseline(); moveB()" type="text" value="1"> <label class="classLblData" id="lblBaseline">Baseline (deg)</label> <input name="radioStereo" id="radioCrosseye" onclick="moveB()" type="radio" checked="checked"> <label class="classLblData" id="lblRCrosseye" for="radioCrosseye">Crosseye</label> <input name="radioStereo" id="radioParallel" onclick="moveB()" type="radio"> <label class="classLblData" id="lblRParallel" for="radioParallel">Parallel</label> <input class="classBtnClose" id="btnStereoClose" onclick="hideMe('divStereo')" type="button" value="x"> </div> <div class="classControlDiv ui-draggable" id="divBlank" style="border: medium; border-image: none; left: 574px; top: 63px; visibility: visible; background-color: rgba(0, 0, 255, 0);" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblBlankTitle" style="visibility: hidden;">.</label><br> <div id="divInBlank" style="width: 700px; color: rgb(255, 255, 0); font-size: 20px; font-family: Consolas;">Dec 11 2026 15:06:40 UTC JD 2461386.129630<br>Fri Dec 11 2026 12:33:20 GMT+0100 (Mitteleuropäische Zeit)<br><table><tbody><tr><td style="text-align:left">Earth:</td><td style="text-align: right; padding-left: 20px">0.419 AU</td><td style="text-align: right; padding-left: 20px">22.569 km/s</td></tr><tr><td style="text-align:left">Sun: </td><td style="text-align: right; padding-left: 20px" ;="">0.720 AU</td><td style="text-align: right; padding-left: 40px">31.035 km/s</td></tr></tbody></table></div> <input class="classBtnClose" id="btnBlankClose" style="visibility: hidden;" onclick="hideMe('divBlank')" type="button" value="x"> </div> <div class="classControlDiv ui-draggable" id="divSetTime" style="visibility: hidden; left: 428px; top: 373px;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblSetTimeTitle">Set time</label> <label class="classLblData" id="lblSetTimeDateAndTime">Date and Time (UTC)</label> <input class="classTxtInput" id="txtSetDateAndTime" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"> <input id="btnSetTimeOK" onclick="setDate(txtSetDateAndTime.value); updateInfo(); hideMe('divSetTime')" type="button" value="Apply"> <input class="classBtnClose" id="btnSetTimeClose" onclick="hideMe('divSetTime')" type="button" value="x"> </div> <div class="classControlDiv ui-draggable" id="divEditObjectsVectors" style="left: 670px; top: 174px; visibility: hidden;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblEditObjectsVectorsTitle">Edit objects -- state vectors</label> <input class="classBtnClose" id="btnEditObjectsVectorsClose" onclick="hideMe('divEditObjectsVectors')" type="button" value="x"> <label class="classLblData" id="lblSelectTargetObjectEOV">Object</label> <select class="classSelect" id="selectTargetObjectEOV" onchange="populateEditObjectsVectors(true)"><option value="1">Tau Ceti</option><option value="2">Tau Ceti b</option><option value="3">Tau Ceti c</option><option value="4">Tau Ceti d</option><option value="5">Tau Ceti e</option><option value="6">Tau Ceti f</option><option value="7">Tau Ceti g</option><option value="8">Tau Ceti h</option><option value="9">Doze-Planet</option><option value="10">Camera A</option><option value="11">Camera B</option></select> <label class="classLblData" id="lblSelectReferenceObjectEOV">Reference object</label> <select class="classSelect" id="selectReferenceObjectEOV" onchange="populateEditObjectsVectors(false)"><option value="1">Tau Ceti</option><option value="2">Tau Ceti b</option><option value="3">Tau Ceti c</option><option value="4">Tau Ceti d</option><option value="5">Tau Ceti e</option><option value="6">Tau Ceti f</option><option value="7">Tau Ceti g</option><option value="8">Tau Ceti h</option><option value="9">Doze-Planet</option></select> <label class="classLblData" id="lblEOVSelectName">Name</label> <input class="classTxtInput" id="txtEOVName" type="text"> <label class="classLblData" id="lblEditObjectsVectorsColor">Color</label> <input class="color classTxtColor" id="txtEditObjectsVectorsColor" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsVectorsShadow">Shadow</label> <input class="color classTxtColor" id="txtEditObjectsVectorsShadow" style="background-image: none; color: rgb(255, 255, 255); background-color: rgb(4, 4, 8);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsVectorsLabel">Label</label> <input class="color classTxtColor" id="txtEditObjectsVectorsLabel" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsVectorsTrail">Trail</label> <input class="color classTxtColor" id="txtEditObjectsVectorsTrail" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsVectorsSubZ">Sub Z</label> <input class="color classTxtColor" id="txtEditObjectsVectorsSubZ" style="background-image: none; color: rgb(255, 255, 255); background-color: rgb(42, 42, 85);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsVectorMass">Mass</label> <input title="Earth masses" class="classBtnUnit" id="btnEditObjectsVectorMassUnits" onclick="changeMassUnit('btnEditObjectsVectorMassUnits'); populateEditObjectsVectors(false)" type="button" value="(Em)"> <input class="classTxtInput" id="txtEditObjectsVectorsMass"> <label class="classLblData" id="lblEditObjectsVectorDiameter">Diameter</label> <input class="classBtnUnit" id="btnEditObjectsVectorDiameterUnits" onclick="changeLengthUnitSmall('btnEditObjectsVectorDiameterUnits'); populateEditObjectsVectors(false)" type="button" value="(km)"> <input class="classTxtInput" id="txtEditObjectsVectorsDiameter"> <label class="classLblData" id="lblEditObjectsVectorLocation">Location (<i>x,y,z</i>)</label> <input class="classBtnUnit" id="btnEditObjectsVectorPositionUnits" onclick="changeLengthUnitLarge('btnEditObjectsVectorPositionUnits'); populateEditObjectsVectors(false)" type="button" value="(AU)"> <input class="classTxtInput" id="txtEditObjectsVectorsX"> <input class="classTxtInput" id="txtEditObjectsVectorsY"> <input class="classTxtInput" id="txtEditObjectsVectorsZ"> <label class="classLblData" id="lblEditObjectsVectorVelocity">Velocity (<i>x,y,z</i>)</label> <input class="classBtnUnit" id="btnEditObjectsVectorVelocityUnits" onclick="changeVelocityUnit('btnEditObjectsVectorVelocityUnits'); populateEditObjectsVectors(false)" type="button" value="(km/s)"> <input class="classTxtInput" id="txtEditObjectsVectorsVx"> <input class="classTxtInput" id="txtEditObjectsVectorsVy"> <input class="classTxtInput" id="txtEditObjectsVectorsVz"> <input class="classBtn" id="btnEditObjectsVectorsApply" onclick="editObjectsVectorsApply(); populateEditObjectsElements(false)" type="button" value="Apply"> <input class="classBtn" id="btnEditObjectsVectorsDelete" type="button" value="Delete"> </div> <div class="classControlDiv ui-draggable" id="divEditObjectsElements" style="left: 424px; top: 27px; visibility: hidden;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblEditObjectsElementsTitle">Edit objects -- orbital elements</label> <input class="classBtnClose" id="btnEditObjectsElementsClose" onclick="hideMe('divEditObjectsElements')" type="button" value="x"> <label class="classLblData" id="lblSelectTargetObjectEOE">Object</label> <select class="classSelect" id="selectTargetObjectEOE" onchange="populateEditObjectsElements(true)"><option value="1">Tau Ceti</option><option value="2">Tau Ceti b</option><option value="3">Tau Ceti c</option><option value="4">Tau Ceti d</option><option value="5">Tau Ceti e</option><option value="6">Tau Ceti f</option><option value="7">Tau Ceti g</option><option value="8">Tau Ceti h</option><option value="9">Doze-Planet</option><option value="10">Camera A</option><option value="11">Camera B</option></select> <label class="classLblData" id="lblSelectReferenceObjectEOE">Reference object</label> <select class="classSelect" id="selectReferenceObjectEOE" onchange="populateEditObjectsElements(false)"><option value="1">Tau Ceti</option><option value="2">Tau Ceti b</option><option value="3">Tau Ceti c</option><option value="4">Tau Ceti d</option><option value="5">Tau Ceti e</option><option value="6">Tau Ceti f</option><option value="7">Tau Ceti g</option><option value="8">Tau Ceti h</option><option value="9">Doze-Planet</option></select> <label class="classLblData" id="lblEOESelectName">Name</label> <input class="classTxtInput" id="txtEOEName" type="text"> <label class="classLblData" id="lblEditObjectsElementsColor">Color</label> <input class="color classTxtColor" id="txtEditObjectsElementsColor" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsElementsShadow">Shadow</label> <input class="color classTxtColor" id="txtEditObjectsElementsShadow" style="background-image: none; color: rgb(255, 255, 255); background-color: rgb(4, 4, 8);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsElementsLabel">Label</label> <input class="color classTxtColor" id="txtEditObjectsElementsLabel" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsElementsTrail">Trail</label> <input class="color classTxtColor" id="txtEditObjectsElementsTrail" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsElementsSubZ">Sub Z</label> <input class="color classTxtColor" id="txtEditObjectsElementsSubZ" style="background-image: none; color: rgb(255, 255, 255); background-color: rgb(42, 42, 85);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsElementsMass">Mass</label> <input title="Earth masses" class="classBtnUnit" id="btnEditObjectsElementsMassUnits" onclick="changeMassUnit('btnEditObjectsElementsMassUnits'); populateEditObjectsElements(false)" type="button" value="(Em)"> <input class="classTxtInput" id="txtEditObjectsElementsMass"> <label class="classLblData" id="lblEditObjectsElementsDiameter">Diameter</label> <input class="classBtnUnit" id="btnEditObjectsElementsDiameterUnits" onclick="changeLengthUnitSmall('btnEditObjectsElementsDiameterUnits'); populateEditObjectsElements(false)" type="button" value="(km)"> <input class="classTxtInput" id="txtEditObjectsElementsDiameter"> <label class="classLblData" id="lblEditObjectsElementsLocation"><i>a, e, i</i></label> <input class="classBtnUnit" id="btnEditObjectsElementsPositionUnits" onclick="changeLengthUnitLarge('btnEditObjectsElementsPositionUnits'); populateEditObjectsElements(false)" type="button" value="(AU)"> <input class="classTxtInput" id="txtEditObjectsElementsX"> <input class="classTxtInput" id="txtEditObjectsElementsY"> <input class="classTxtInput" id="txtEditObjectsElementsZ"> <label class="classLblData" id="lblEditObjectsElementsVelocity"><i>Ω, ω, MA</i></label> <input class="classTxtInput" id="txtEditObjectsElementsVx"> <input class="classTxtInput" id="txtEditObjectsElementsVy"> <input class="classTxtInput" id="txtEditObjectsElementsVz"> <input class="classBtn" id="btnEditObjectsElementsApply" onclick="editObjectsElementsApply(); populateEditObjectsVectors(false)" type="button" value="Apply"> <input class="classBtn" id="btnEditObjectsElementsDelete" type="button" value="Delete"> </div> <div class="classControlDiv" id="divBigA"> <div class="ui-draggable" id="divHorizontal"> <div id="divZoomBar" onclick="clearInterval(sliderInterval[1]); var x = event.clientX; advanceSliderHorizontal(x,'divZoomBar','divZoom',1)"> <div title="Zoom" class="ui-draggable" id="divZoom" style="left: 115px;"></div> </div> <div id="divAzimuthBar" style="visibility: visible;" onclick="clearInterval(sliderInterval[2]); var x = event.clientX; advanceSliderHorizontal(x,'divAzimuthBar','divAzimuth',2)"> <div title="Azimuth" class="ui-draggable" id="divAzimuth" style="left: 66px;"></div> </div> <span class="classNewDiv" id="spanTo" style="display: block; text-align: center"> <label>Look at</label><br> <select class="classSelect" id="select1" onchange="selectTargetObjectA.selectedIndex = select1.selectedIndex; changeTargetObjectA(); changeBarycenterA();"><option value="1">Tau Ceti</option><option value="2">Tau Ceti b</option><option value="3">Tau Ceti c</option><option value="4">Tau Ceti d</option><option value="5">Tau Ceti e</option><option value="6">Tau Ceti f</option><option value="7">Tau Ceti g</option><option value="8">Tau Ceti h</option><option value="9">Doze-Planet</option><option value="10">Camera A</option><option value="11">Camera B</option></select><br> </span> <span class="classNewDiv" id="spanFrom" style=" display: block; text-align: center"> <label>Look from</label><br> <select class="classSelect" id="select2" onchange="selectCameraObjectA.selectedIndex = select2.selectedIndex; if (select2.selectedIndex == 3 ) {btnOptionCities.style.visibility = 'visible'; setTimeout(function(){btnOptionCities.style.visibility = 'hidden'}, 3000)} 			if (select2.selectedIndex == objects) {divAzimuthBar.style.visibility = 'visible'; divAltitudeBar.style.visibility = 'visible'; divDistanceBar.style.visibility = 'visible'} else {divAzimuthBar.style.visibility = 'hidden'; divAltitudeBar.style.visibility = 'hidden'; divDistanceBar.style.visibility = 'hidden'} changeCameraObjectA(); changeBarycenterA();"><option value="1">Tau Ceti</option><option value="2">Tau Ceti b</option><option value="3">Tau Ceti c</option><option value="4">Tau Ceti d</option><option value="5">Tau Ceti e</option><option value="6">Tau Ceti f</option><option value="7">Tau Ceti g</option><option value="8">Tau Ceti h</option><option value="9">Doze-Planet</option><option value="10">Camera A</option><option value="11">Camera B</option></select><br> <input class="classBtnOptions" id="btnOptionCities" style="visibility: hidden;" onclick="divCitiesA.style.visibility = 'visible'" type="button"> </span> <input class="classBtnPlayMedium" id="btnPlayMedium" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/pauseButton.png");' onclick="pause()" type="button"> <input class="classBtnPlayMedium" id="btnDirectionMedium" onclick="changeTimeFlow()" type="button"> <span class='classNewDiv"' id="spanView" style="display: block; text-align: left; font-size: 20px"> <input title="Heliocentric view" class="classBtnMacro" id="btnOptionHeliocentric" style="left: 0px; visibility: visible;" onclick="helioCentricView()" type="button"> <input title="Geocentric view" class="classBtnMacro" id="btnOptionGeocentric" style="left: 80px; visibility: visible;" onclick="geoCentricView()" type="button"> <input title="Sky view (asteroid size is exaggerated)" class="classBtnMacro" id="btnOptionSkyView" style="left: 160px; visibility: visible;" onclick="skyView()" type="button"> </span> </div> <div class="ui-draggable" id="divVertical"> <div id="divAltitudeBar" style="visibility: visible;" onclick="clearInterval(sliderInterval[3]); var y = event.clientY; advanceSliderVertical(y,'divAltitudeBar','divAltitude',3)"> <div title="Altitude" class="ui-draggable" id="divAltitude" style="top: 126px;"></div> </div> <div id="divDistanceBar" style="visibility: visible;" onclick="clearInterval(sliderInterval[4]); var y = event.clientY; advanceSliderVertical(y,'divDistanceBar','divDistance',4)"> <div title="Distance" class="ui-draggable" id="divDistance" style="top: 240px;"></div> </div> <span class="classNewDiv" id="spanNames" style=" display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lblNames" onclick="if (namesOn){divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; namesOn = false; checkLabelsCA.checked = false; checkLabelsA.checked = false} else {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';namesOn = true; checkLabelsCA.checked = true; checkLabelsA.checked = true; btnOptionNames.style.visibility = 'hidden'; setTimeout(function(){btnOptionNames.style.visibility = 'hidden'}, 3000);}">Names</label> <div class="divCheck" id="divCheckNames" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF");' onclick="if (namesOn){divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; namesOn = false; checkLabelsCA.checked = false; checkLabelsA.checked = false} else {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';namesOn = true; checkLabelsCA.checked = true; checkLabelsA.checked = true; btnOptionNames.style.visibility = 'hidden'; setTimeout(function(){btnOptionNames.style.visibility = 'hidden'}, 3000);}"></div> <input class="classBtnOptions" id="btnOptionNames" style="visibility: hidden;" type="button"> </span> <span class="classNewDiv" id="spanStars" style=" display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lblStars" onclick="if (starsOn){divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; starsOn = false; checkStarsA.checked = false} else {if (selectStars.selectedIndex == 0) {selectStars.selectedIndex = 1; loadStars();} divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';starsOn = true; checkStarsA.checked = true; btnOptionStars.style.visibility = 'visible'; setTimeout(function(){btnOptionStars.style.visibility = 'hidden'}, 3000);}">Stars</label> <div class="divCheck" id="divCheckStars" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF");' onclick="if (starsOn){divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; starsOn = false; checkStarsA.checked = false} else {if (selectStars.selectedIndex == 0) {selectStars.selectedIndex = 1; loadStars();} divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';starsOn = true; checkStarsA.checked = true; btnOptionStars.style.visibility = 'visible'; setTimeout(function(){btnOptionStars.style.visibility = 'hidden'}, 3000);}"></div> <input class="classBtnOptions" id="btnOptionStars" style="visibility: hidden;" onclick="divStars.style.visibility = 'visible'" type="button"> </span> <span class="classNewDiv" id="spanRF" style="display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lblRF" onclick="if (rotatingFrameOn){divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; rotatingFrameOn = false; selectTargetObjectRF.selectedIndex = 0; if (trailsOn){checkTrailsCA.click()}} else {if (!trailsOn){checkTrailsCA.click()} if (focusRF == 0) {focusRF = 4}; {selectTargetObjectRF.selectedIndex = 4}; selectTargetObjectRF.selectedIndex = focusRF; divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';rotatingFrameOn = true; btnOptionRF.style.visibility = 'visible'; setTimeout(function(){btnOptionRF.style.visibility = 'hidden'}, 3000);}">Rotating</label> <label class="classLblCheck" id="lblRF2" onclick="if (rotatingFrameOn){divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; rotatingFrameOn = false; selectTargetObjectRF.selectedIndex = 0; if (trailsOn){checkTrailsCA.click()}} else {if (!trailsOn){checkTrailsCA.click()} if (focusRF == 0) {focusRF = 4}; selectTargetObjectRF.selectedIndex = focusRF; divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';rotatingFrameOn = true; btnOptionRF.style.visibility = 'visible'; setTimeout(function(){btnOptionRF.style.visibility = 'hidden'}, 3000);}">frame</label> <div class="divCheck" id="divCheckRF" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF");' onclick="if (rotatingFrameOn){divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; rotatingFrameOn = false; selectTargetObjectRF.selectedIndex = 0; if (trailsOn){checkTrailsCA.click()}} else {if (!trailsOn){checkTrailsCA.click()} if (focusRF == 0) {focusRF = 4}; selectTargetObjectRF.selectedIndex = focusRF; divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';rotatingFrameOn = true; btnOptionRF.style.visibility = 'visible'; setTimeout(function(){btnOptionRF.style.visibility = 'hidden'}, 3000);}"></div> <input class="classBtnOptions" id="btnOptionRF" style="visibility: hidden;" onclick="divRotatingFrame.style.visibility = 'visible';" type="button"> </span> <span class="classNewDiv" id="spanAxes" style=" display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lblnAxes" onclick="if (axesOn){divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; axesOn = false; rotateCameraA();} else {divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';axesOn = true; btnOptionAxes.style.visibility = 'hidden'; rotateCameraA(); setTimeout(function(){btnOptionAxes.style.visibility = 'hidden'}, 3000);}">Axes</label> <div class="divCheck" id="divCheckAxes" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF");' onclick="if (axesOn){divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; axesOn = false; checkAxes.checked = false; perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); rotateCameraA();} else {divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';axesOn = true; checkAxes.checked = true; btnOptionAxes.style.visibility = 'hidden'; rotateCameraA(); setTimeout(function(){btnOptionAxes.style.visibility = 'hidden'}, 3000);}"></div> <input class="classBtnOptions" id="btnOptionAxes" style="visibility: hidden;" type="button"> </span> <span class="classNewDiv" id="span3d" style=" display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lbl3d" onclick="if (stereoOn){divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; stereoOn = false; checkStereoCA.checked = false} else {divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';stereoOn = true; checkStereoCA.checked = true; btnOption3d.style.visibility = 'visible'; setTimeout(function(){btnOption3d.style.visibility = 'hidden'}, 3000);} stereo();">3d</label> <div class="divCheck" id="divCheck3d" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF");' onclick="if (stereoOn){divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; stereoOn = false; checkStereoCA.checked = false} else {divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';stereoOn = true; checkStereoCA.checked = true; btnOption3d.style.visibility = 'visible'; setTimeout(function(){btnOption3d.style.visibility = 'hidden'}, 3000);} stereo();"></div> <input class="classBtnOptions" id="btnOption3d" style="visibility: hidden;" onclick="divStereo.style.visibility='visible'" type="button"> </span> <span class="classNewDiv" id="spanOrbits" style=" display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lblOrbits" onclick="if (orbitsOn){divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; orbitsOn = false; checkKeplerCA.checked = false; checkPreTrailsA.checked = false; perspectiveTrails2ClsA(); perspectiveTrails2ClsB();} else {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';orbitsOn = true; checkKeplerCA.checked = true; checkPreTrailsA.checked = true; btnOptionOrbits.style.visibility = 'visible'; setTimeout(function(){btnOptionOrbits.style.visibility = 'hidden'}, 3000);}">Orbits</label> <div class="divCheck" id="divCheckOrbits" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF");' onclick="if (orbitsOn){divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; orbitsOn = false; checkKeplerCA.checked = false; checkPreTrailsA.checked = false; perspectiveTrails2ClsA(); perspectiveTrails2ClsB();} else {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';orbitsOn = true; checkKeplerCA.checked = true; checkPreTrailsA.checked = true; btnOptionOrbits.style.visibility = 'visible'; setTimeout(function(){btnOptionOrbits.style.visibility = 'hidden'}, 3000);}"></div> <input class="classBtnOptions" id="btnOptionOrbits" style="visibility: hidden;" onclick="divPreTrailObjectList.style.visibility = 'visible'" type="button"> </span> <span class="classNewDiv" id="spanTrails" style=" display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lblTrails" onclick="if (trailsOn){divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; trailsOn = false; checkTrailsCA.checked = false; perspectiveTrailsClsA(); perspectiveTrailsClsB(); rotateCameraA();} else {divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';trailsOn = true; checkTrailsCA.checked = true; btnOptionTrails.style.visibility = 'hidden'; setTimeout(function(){btnOptionTrails.style.visibility = 'hidden'}, 3000);}">Trails</label> <div class="divCheck" id="divCheckTrails" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF");' onclick="perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); rotateCameraA(); if (trailsOn){divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; trailsOn = false; checkTrailsCA.checked = false;} else {divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';trailsOn = true; checkTrailsCA.checked = true; btnOptionTrails.style.visibility = 'hidden'; setTimeout(function(){btnOptionTrails.style.visibility = 'hidden'}, 3000);}"></div> <input class="classBtnOptions" id="btnOptionTrails" style="visibility: hidden;" type="button"> </span> </div> </div> <div class="classControlDiv ui-draggable" id="divTimeStep" style="visibility: hidden; left: 374px; top: 143px;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblTimeStepTitle">Time step</label> <input class="classBtn" id="btnPause" onclick="pause()" type="button" value="||"> <input class="classBtnSmall" id="btnTimeStepPlus" onclick="timeStepPlus()" type="button" value="+"> <span class="classTxtInput" id="spanTimeStep">128</span> <input class="classBtnSmall" id="btnTimeStepMinus" onclick="timeStepMinus()" type="button" value="-"> <input class="classBtnClose" id="btnTimeStepClose" onclick="hideMe('divTimeStep')" type="button" value="x"> <input class="classBtn" id="btnTimeDirection" onclick="changeTimeFlow()" type="button" value=">>"> </div> <div class="classControlDiv ui-draggable" id="divRotateCameraA" style="left: 127px; top: 143px; visibility: hidden;"> <label class="classControlTitle" id="lblRotateCameraATitle">Camera A</label> <input class="classBtnClose" id="btnRotateCameraAClose" onclick="hideMe('divRotateCameraA')" type="button" value="x"> <input class="slider" id="rangeRotateCameraA" onchange="rotateCameraA()" type="range" min="0" max="6.2830" step="0.001" value="0"> <input class="classTxtInput" id="txtRotateCameraA" type="text" value="-999"> <label title="Degrees" class="classLblData" id="lblRotateCameraA">Azimuth</label> <input class="slider" id="rangeRotateCameraZ" onchange="rotateCameraA()" type="range" min="0.0175" max="3.124" step="0.001" value="0"> <input class="classTxtInput" id="txtRotateCameraZ" type="text" value="-888"> <label title="Degrees" class="classLblData" id="lblRotateCameraZ">Altitude</label> <input class="slider" id="rangeRotateCameraD" onchange="rotateCameraA()" type="range" min="6" max="100" step="0.1" value="0"> <input class="classTxtInput" id="txtRotateCameraD" type="text" value="-999"> <label title="AU" class="classLblData" id="lblRotateCameraD">Distance</label> <input name="checkAxes" id="checkAxes" onclick="perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); if (checkAxes.checked) {axesOn = true} else {axesOn = false}; if (axesOn){divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; axesOn = true; btnOptionAxes.style.visibility = 'hidden'; setTimeout(function(){btnOptionAxes.style.visibility = 'hidden'}, 3000);} else {divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)';axesOn = false;}" type="checkbox"> <label title="x, y axes" class="classLblData" id="lblAxes" for="checkAxes">Axes</label> <input name="checkStereoCA" id="checkStereoCA" onclick="stereo(); if (checkStereoCA.checked) {divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; stereoOn = true} else {divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; stereoOn = false}" type="checkbox"> <label title="Stereo. Press Q for more options." class="classLblData" id="lblStereoCA" for="checkStereoCA">3d</label> <input name="checkKeplerCA" id="checkKeplerCA" onclick="perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); checkPreTrailsA.checked = checkKeplerCA.checked; checkPreTrailsB.checked = checkKeplerCA.checked; if (checkKeplerCA.checked) {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; orbitsOn = true} else {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; orbitsOn = false}" type="checkbox"> <label title="Superimpose Keplerian orbit" class="classLblData" id="lblKeplerCA" for="checkKeplerCA">Orbits</label> <input name="checkTrailsCA" id="checkTrailsCA" onclick="perspectiveTrailsClsA(); perspectiveTrailsClsB(); rotateCameraA(); if (checkTrailsCA.checked) {divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; trailsOn = true} else {divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; trailsOn = false}" type="checkbox"> <label title="Create trails" class="classLblData" id="lblTrailsCA" for="checkTrailsCA">Trails</label> <input name="checkLabelsCA" id="checkLabelsCA" onclick="checkLabelsA.checked = checkLabelsCA.checked; checkLabelsB.checked = checkLabelsCA.checked; if (checkLabelsCA.checked) {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; namesOn = true;} else {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; namesOn = false;}" type="checkbox"> <label title="Labels" class="classLblData" id="lblLabelsCA" for="checkLabelsCA">Names</label> </div> <div class="classControlDiv" id="divDistanceAndSpeedA" onmouseover="hideAllMenuButtons()" ui-draggable"=""> <label class="classControlTitle" id="lblDistanceAndSpeedATitle">Distance and speed</label> <label class="classControlTitle" id="lblCalendarLocalTitle">Local time</label> <select class="classSelect" id="selectTargetObjectDSa"></select> <select class="classSelect" id="selectTargetObjectDSa"></select> <label class="classLblData" id="lblDSaDistanceA"> <label class="classLblData" id="lblDSaSpeedA"> <label class="classLblData" id="lblDStangentialA"> <label class="classLblData" id="lblDSradialA"> </label></label></label></label></div> <div class="classControlDiv ui-draggable" id="divCalendarDate" style="visibility: hidden; left: 946px; top: 4px;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblCalendarLocalTitle">Local time</label> <span class="classLblData" id="spanCalendarDate">Fri Dec 11 2026 16:06:40 GMT+0100 (Mitteleuropäische Zeit)</span> <input class="classBtnClose" id="btnCalendarDateClose" onclick="hideMe('divCalendarDate')" type="button" value="x"> </div> <div class="classControlDiv ui-draggable" id="divCalendarDateUTC" style="visibility: hidden; left: 695px; top: 4px;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblCalendarUTC">Coordinated Universal Time</label> <span class="classLblData" id="spanCalendarDateUTC">Fri Dec 11 2026 15:06:40 (UTC)</span> <input class="classBtnClose" id="btnCalendarDateUTCClose" onclick="hideMe('divCalendarDateUTC')" type="button" value="x"> </div> <div class="classControlDiv ui-draggable" id="divJulianDate" style="visibility: hidden; left: 946px; top: 75px;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblJulianDateTitle">Julian Day</label> <span class="classLblData" id="spanJulianDate">2461386.1296296296</span> <input class="classBtnClose" id="btnJulianDateClose" onclick="hideMe('divJulianDate')" type="button" value="x"> </div> <div class="classControlDiv ui-draggable" id="divSaveAs" style="left: 382px; top: 45px; visibility: hidden;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblSaveAsTitle">Save as</label> <input class="classBtnClose" id="btnSaveAsClose" onclick="hideMe('divSaveAs')" type="button" value="x"> <label class="classLblData" id="lblSaveAsFileName">Simulation name:</label> <input class="classTxtInput" id="txtSaveAsFileName" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"> <label class="classLblData" id="lblSaveAsKeywords">Keywords (optional)</label> <input class="classTxtInput" id="txtSaveAsKeywords" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"> <label class="classLblData" id="lblSaveAsDescription">Description (optional)</label> <textarea id="txtAreaSaveAsDescription" onkeydown="userTyping(true)" onkeyup="userTyping(false)"></textarea> <label class="classLblData" id="lblSaveAsAuthor">Author (optional)</label> <input class="classTxtInput" id="txtSaveAsAuthor" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"> <input id="checkSaveAsShare" onchange="if (checkSaveAsShare.checked) {checkSaveAsTempLink.checked = true}" type="checkbox"> <label class="classLblData" id="lblSaveAsShare" for="checkSaveAsShare">Share on orbitsimulator.com</label> <input id="checkSaveAsTempLink" onchange="if (checkSaveAsShare.checked) {checkSaveAsTempLink.checked = true}" type="checkbox" checked=""> <label class="classLblData" id="lblSaveAsTempLink" for="checkSaveAsShare">Create temporary link</label> <label class="classLblData" id="lblSaveAsAddress">Your simulation is here:</label> <span id="spanSimURL"></span> <label class="classLblData" id="lblSaveAsSourceCode">Source code:</label> <textarea id="txtAreaSaveAs" onkeydown="userTyping(true)" onkeyup="userTyping(false)"><!DOCTYPE html> <html id ='htmlAll'> <head> <title>Tau Ceti Doze</title> <meta name = 'keywords' content = "Dozeplanet"> <meta name = 'description' content = ""> <meta name = 'author' content = 'Tony Dunn, Hermann Bossi'> <meta http-equiv="content-type" content="text/html; charset = UTF-8"> <link href="http://orbitsimulator.com/gravitySimulatorCloud/jquery-ui.css" rel="stylesheet"> <script src="http://orbitsimulator.com/gravitySimulatorCloud/asterismNames6_8_17.js"></script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/jquery-1.9.1.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/jquery-ui.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/jquery.ui.touch-punch.min2.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/kbo.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/synthetic.js"> </script> <script id="scriptStars" src="http://orbitsimulator.com/gravitySimulatorCloud/noStars.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/citiesLatLon.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/jscolor.js"> </script> <script src="http://orbitsimulator.com/gravitySimulatorCloud/constellations6_8_17.js"></script> <script> btndescout = new Image;btndescover= new Image;btndescout.src = "http://orbitsimulator.com/gravity/articles/descorange.GIF";btndescover.src = "http://orbitsimulator.com/gravity/articles/descyellow.GIF"; btndownout = new Image;btndownover= new Image;btndownout.src = "http://orbitsimulator.com/gravity/articles/downorange.GIF";btndownover.src = "http://orbitsimulator.com/gravity/articles/downyellow.GIF"; btnsimuout = new Image;btnsimuover= new Image;btnsimuout.src = "http://orbitsimulator.com/gravity/articles/simuorange.GIF";btnsimuover.src = "http://orbitsimulator.com/gravity/articles/simuyellow.GIF"; btnmessout = new Image;btnmessover= new Image;btnmessout.src = "http://orbitsimulator.com/gravity/articles/messorange.GIF";btnmessover.src = "http://orbitsimulator.com/gravity/articles/messyellow.GIF"; btnscieout = new Image;btnscieover= new Image;btnscieout.src = "http://orbitsimulator.com/gravity/articles/scieorange.GIF";btnscieover.src = "http://orbitsimulator.com/gravity/articles/scieyellow.GIF"; btncontout = new Image;btncontover= new Image;btncontout.src = "http://orbitsimulator.com/gravity/articles/contorange.GIF";btncontover.src = "http://orbitsimulator.com/gravity/articles/contyellow.GIF"; btnlinkout = new Image;btnlinkover= new Image;btnlinkout.src = "http://orbitsimulator.com/gravity/articles/linkorange.GIF";btnlinkover.src = "http://orbitsimulator.com/gravity/articles/linkyellow.GIF"; </script> <style> nav ul ul { display: none; } nav ul li:hover > ul { display: block; } nav ul {z-index: 10; font-family: Tahoma, Geneva, sans-serif; font-size: 20px; background: #efefef; background: linear-gradient(top, #efefef 0%, #bbbbbb 100%); background: -moz-linear-gradient(top, #efefef 0%, #bbbbbb 100%); background: -webkit-linear-gradient(top, #efefef 0%,#bbbbbb 100%); box-shadow: 0px 0px 9px rgba(0,0,0,0.15); padding: 0 0px; border-radius: 0px; list-style: none; position: fixed; top: -20px; left: 0px; //display: inline-table; } nav ul:after { content: ""; clear: both; display: block; } nav ul li { float: left; } nav ul li:hover { background: #4b545f; background: linear-gradient(top, #4f5964 0%, #5f6975 40%); background: -moz-linear-gradient(top, #4f5964 0%, #5f6975 40%); background: -webkit-linear-gradient(top, #4f5964 0%,#5f6975 40%); } nav ul li:hover a { color: #fff; } nav ul li:hover label { color: #fff; } nav ul ul li:active label { color: #aaa; } nav ul li a { display: block; padding: 0px 10px; color: #757575; text-decoration: none; } nav ul li label { display: block; padding: 0px 0px; color: #757575; text-decoration: none; } nav ul li label { display: block; padding: 0px 10px; color: #757575; text-decoration: none; } nav ul ul { background: #5f6975; border-radius: 0px; padding: 0; position: absolute; top: 100%; } nav ul ul li { float: none; border-top: 1px solid #6b727c; border-bottom: 1px solid #575f6a; position: relative; } nav ul ul li a { padding: 15px 40px; color: #fff; } nav ul ul li label { padding: 0px 10px; color: #fff; } nav ul ul li a:hover { background: #4b545f; } nav ul ul li label:hover { background: #4b545f; } nav ul ul ul { position: absolute; left: 100%; top:0; } .slider { width: 200px; opacity: 0.8; //margin: 100px auto; } input[type="range"] { -webkit-appearance: none; -webkit-tap-highlight-color: rgba(255, 255, 255, 0); // width: 100%; width: 200px; height: 20px; margin: 0; border: none; padding: 1px 2px; border-radius: 14px; background: #232528; box-shadow: inset 0 1px 0 0 #0d0e0f, inset 0 -1px 0 0 #3a3d42; -webkit-box-shadow: inset 0 1px 0 0 #0d0e0f, inset 0 -1px 0 0 #3a3d42; outline: none; /* no focus outline */ } input[type="range"]::-moz-range-track { border: inherit; background: transparent; } input[type="range"]::-ms-track { border: inherit; color: transparent; /* don't drawn vertical reference line */ background: transparent; } input[type="range"]::-ms-fill-lower, input[type="range"]::-ms-fill-upper { background: transparent; } input[type="range"]::-ms-tooltip { display: none; } /* thumb */ input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 40px; height: 18px; border: none; border-radius: 12px; background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #529de1), color-stop(100%, #245e8f)); /* android <= 2.2 */ background-image: -webkit-linear-gradient(top , #529de1 0, #245e8f 100%); /* older mobile safari and android > 2.2 */; background-image: linear-gradient(to bottom, #529de1 0, #245e8f 100%); /* W3C */ } input[type="range"]::-moz-range-thumb { width: 40px; height: 18px; border: none; border-radius: 12px; background-image: linear-gradient(to bottom, #529de1 0, #245e8f 100%); /* W3C */ } input[type="range"]::-ms-thumb { width: 40px; height: 18px; border-radius: 12px; border: 0; background-image: linear-gradient(to bottom, #529de1 0, #245e8f 100%); /* W3C */ } #divAds {position: absolute; top: 0px; left: 0px; width: 730px; height: 90px; z-index: 4; visibility: hidden} #divLogo {position: absolute; top: 91px; left: 0px; visibility: hidden} #imgLogo1 {position: absolute; top: 0px; left: 0px} #tableNavigate {background-color: transparent} #divMenuShow {position: fixed; z-index: 11; top: 0px; left: 0px; visibility: hidden; z-index: 10} #btnMenuShow {position: absolute; top: 0px; left: 3px; height: 25px; visibility: hidden} #divMenu {position: fixed; z-index: 10; top: 0px; left: 0px; visibility: hidden; z-index: 11} #btnMenuHide {position: absolute; top: 0px; left: 3px; height: 25px} #btnFileMenu {position: absolute; top: 0px; left: 40px; height: 25px} #btnSaveAsMenu {position: absolute; top: 25px; left: 45px; width: 150px; height: 25px; text-align: left} #btnScreenShotsMenu {position: absolute; top: 50px; left: 45px; height: 25px; width: 150px; text-align: left} #btnCollisionLogMenu {position: absolute; top: 75px; left: 45px; height: 25px; width: 150px; text-align: left} #btnObjectsMenu {position: absolute; top: 0px; left: 80px; height: 25px} #btnCreateObjectsMenu {position: absolute; top: 25px; left: 85px; height: 25px; width: 200px; text-align: left} #btnClonesMenu {position: absolute; top: 50px; left: 85px; height: 25px; width: 200px; text-align: left} #btnImportObjectsLiteMenu {position: absolute; top: 75px; left: 85px; height: 25px; width: 200px; text-align: left} //#btnImportObjectsMenu {position: absolute; top: 100px; left: 85px; height: 25px; width: 200px; text-align: left} #btnEditObjectsVectorsMenu{position: absolute; top: 100px; left: 85px; height: 25px; width: 200px; text-align: left} #btnEditObjectsElementsMenu{position: absolute; top: 125px; left: 85px; height: 25px; width: 200px; text-align: left} #btnVectorMenu {position: absolute; top: 150px; left: 85px; height: 25px; width: 200px; text-align: left} #btnDeleteObjectsMenu {position: absolute; top: 175px; left: 85px; height: 25px; width: 200px; text-align: left} #btnPreTrailsMenu {position: absolute; top: 200px; left: 85px; height: 25px; width: 200px; text-align: left} #btnTimeMenu {position: absolute; top: 0px; left: 150px; height: 25px} #btnCalendarDate {position: absolute; top: 25px; left: 155px; height: 25px; width: 170px; text-align: left} #btnCalendarDateUTC {position: absolute; top: 50px; left: 155px; height: 25px; width: 170px; text-align: left} #btnJulianDate {position: absolute; top: 75px; left: 155px; height: 25px; width: 170px; text-align: left} #btnTimeStepMenu {position: absolute; top: 100px; left: 155px; height: 25px; width: 170px; text-align: left} #btnSetDateAndTimeMenu {position: absolute; top: 125px; left: 155px; height: 25px; width: 170px; text-align: left} #btnDisplayMenu {position: absolute; top: 0px; left: 200px; height: 25px; visibility = 'visible'} #btnScreensMenu {position: absolute; top: 25px; left: 205px; height: 25px; width: 200px; text-align: left} #btnToFromAMenu {position: absolute; top: 50px; left: 205px; height: 25px; width: 200px; text-align: left} #btnToFromBMenu {position: absolute; top: 75px; left: 205px; height: 25px; width: 200px; text-align: left} #btnRotatingFrameMenu {position: absolute; top: 100px; left: 205px; height: 25px; width: 200px; text-align: left} #btnStereoMenu {position: absolute; top: 125px; left: 205px; height: 25px; width: 200px; text-align: left} #btnCitiesAMenu {position: absolute; top: 150px; left: 205px; height: 25px; width: 200px; text-align: left} #btnCitiesBMenu {position: absolute; top: 175px; left: 205px; height: 25px; width: 200px; text-align: left} #btnStarsMenu {position: absolute; top: 200px; left: 205px; height: 25px; width: 200px; text-align: left} #btnCameraAMenu {position: absolute; top: 225px; left: 205px; height: 25px; width: 200px; text-align: left} #btnBlankMenu {position: absolute; top: 250px; left: 205px; height: 25px; width: 200px; text-align: left} #btnLargePlayMenu {position: absolute; top: 275px; left: 205px; height: 25px; width: 200px; text-align: left} #btnMainMenu {position: absolute; top: 300px; left: 205px; height: 25px; width: 200px; text-align: left} #btnPreferencesMenu {position: absolute; top: 0px; left: 270px; height: 25px} #btnScreensMenu {position: absolute; top: 25px; left: 205px; height: 25px; width: 200px; text-align: left} #btnAutopilotMenu {position: absolute; top: 0px; left: 375px; height: 25px} #btnAPnowMenu {position: absolute; top: 25px; left: 380px; height: 25px; width: 150px; text-align: left} #btnAPsingleEventsMenu {position: absolute; top: 50px; left: 380px; height: 25px; width: 150px; text-align: left} #btnAPperIterationMenu {position: absolute; top: 75px; left: 380px; height: 25px; width: 150px; text-align: left} #btnAPperGraphicUpdateMenu{position: absolute; top: 100px; left: 380px; height: 25px; width: 150px; text-align: left} #btnHelpMenu {position: absolute; top: 0px; left: 455px; height: 25px} #btnSimulationDescriptionMenu {position: absolute; top: 25px; left: 460px; height: 25px; width: 150px; text-align: left} #btnQuickHelpMenu {position: absolute; top: 50px; left: 460px; height: 25px; width: 150px; text-align: left} #btnManualMenu {position: absolute; top: 75px; left: 460px; height: 25px; width: 150px; text-align: left} #btnAboutMenu {position: absolute; top: 100px; left: 460px; height: 25px; width: 150px; text-align: left} //#divPerspective {position: absolute; z-index: 1; top:1250px; left:0px; width:1250px; height:900px;} //#divPerspective {position: absolute; z-index: 1; top:1250px; left: 0px} #divPerspective {position: absolute; z-index: 1} #divTopDown {position: absolute; z-index: 1; top: 0px; left: 0px; width:1250px; height:900px;} #divRotateCameraA {top: 800px; left: 0px; height: 125px; width: 570px} #lblRotateCameraATitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnRotateCameraAClose {position: absolute; left: 550px} #rangeRotateCameraA {position: absolute; top: 25px; left: 0px; width: 450px; z-index: 2} #txtRotateCameraA {position: absolute; top: 25px; left: 455px; width: 45px} #lblRotateCameraA {position: absolute; top: 29px; left: 505px} #rangeRotateCameraZ {position: absolute; top: 50px; left: 0px; width: 450px; z-index: 2} #txtRotateCameraZ {position: absolute; top: 50px; left: 455px; width: 45px} #lblRotateCameraZ {position: absolute; top: 54px; left: 505px} #rangeRotateCameraD {position: absolute; top: 75px; left: 0px; width: 450px; z-index: 2} #txtRotateCameraD {position: absolute; top: 75px; left: 455px; width: 45px} #lblRotateCameraD {position: absolute; top: 79px; left: 505px} #selectTargetObjectRF {position: absolute; top: 38px; left: 1px; max-width: 100px; z-index: 2;} #lblLonPlus {position: absolute; top: 40px; left: 107px} #txtLongitudeRF {position: absolute; top: 36px; left: 117px; width: 40px;} #radioTrueLongitude {position: absolute; top: 32px; left: 192px; z-index: 2;} #lblTrueLongitude {position: absolute; top: 24px; left: 195px; z-index: 2;} #radioMeanLongitude {position: absolute; top: 65px; left: 192px; z-index: 2;} #lblMeanLongitude {position: absolute; top: 57px; left: 195px; z-index: 2;} #checkAxes {position: absolute; top: 100px; left: 262px; z-index: 2;} #lblAxes {position: absolute; top: 104px; left: 282px; z-index: 2;} #checkStereoCA {position: absolute; top: 100px; left: 312px; z-index: 2;} #lblStereoCA {position: absolute; top: 104px; left: 332px; z-index: 2;} #checkKeplerCA {position: absolute; top: 100px; left: 357px; z-index: 2;} #lblKeplerCA {position: absolute; top: 104px; left: 377px; z-index: 2;} #checkTrailsCA {position: absolute; top: 100px; left: 427px; z-index: 2;} #lblTrailsCA {position: absolute; top: 104px; left: 447px; z-index: 2;} #checkLabelsCA {position: absolute; top: 100px; left: 497px; z-index: 2;} #lblLabelsCA {position: absolute; top: 104px; left: 517px; z-index: 2;} #divTimeStep {top: 30px; left: 260px; height: 54px;} #lblTimeStepTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnPause {position: absolute; top: 25px; left: 3px} #btnTimeStepPlus {position: absolute; top: 26px; left: 37px} #spanTimeStep {position: absolute; top: 25px; left: 64px; width: 80px} #btnTimeStepMinus {position: absolute; top: 26px; left: 180px} #btnTimeDirection {position: absolute; top: 25px; left: 210px} #btnTimeStepClose {position: absolute} #divDistanceAndSpeedA {top:120px; left: 0px; height: 70px; visibility: hidden} #lblDistanceAndSpeedATitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #selectTargetObjectDSa {position: absolute; top: 45px; left: 1px; z-index: 2;} #selectReferenceObjectDSa {position: absolute; top: 45px; left: 1px; z-index: 2;} #lblDSaDistanceA {position: absolute; 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left: 300px; height: 180px; visibility: hidden} #lblSetTimeTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #lblSetTimeDateAndTime {position: absolute; top: 25px; left: 3px; width: 160px;} #txtSetDateAndTime {position: absolute; top: 50px; left: 3px; width: 160px;} #btnSetTimeOK {position: absolute; top:130px; left: 3px; width: 50px;} #btnSetTimeClose{position: absolute;} #divEditObjectsVectors {top: 90px; left: 300px; height: 606px; visibility: hidden} #lblEditObjectsVectorsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnEditObjectsVectorsClose{position: absolute;} #lblSelectTargetObjectEOV {position: absolute; top: 30px; left: 1px} #selectTargetObjectEOV {position: absolute; top: 45px; left: 1px; z-index: 2;} #lblSelectReferenceObjectEOV {position: absolute; top: 80px; left: 1px} #selectReferenceObjectEOV {position: absolute; top: 95px; left: 1px; z-index: 2;} #lblEOVSelectName {position: absolute; top: 125px; left: 1px} #txtEOVName {position: absolute; top: 140px; 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left: 60px} #txtEditObjectsVectorsMass {position: absolute; top: 290px; left: 1px} #lblEditObjectsVectorDiameter {position: absolute; top: 325px; left: 1px} #btnEditObjectsVectorDiameterUnits {position: absolute; top: 320px; left: 60px} #txtEditObjectsVectorsDiameter {position: absolute; top: 340px; left: 1px} #lblEditObjectsVectorLocation {position: absolute; top: 385px; left: 1px; width: 120px} #btnEditObjectsVectorPositionUnits {position: absolute; top: 380px; left: 135px} #txtEditObjectsVectorsX {position: absolute; top: 400px; left: 1px} #txtEditObjectsVectorsY {position: absolute; top: 420px; left: 1px} #txtEditObjectsVectorsZ {position: absolute; top: 440px; left: 1px} #lblEditObjectsVectorVelocity {position: absolute; top: 485px; left: 1px; width: 120px} #btnEditObjectsVectorVelocityUnits {position: absolute; top: 480px; left: 135px} #txtEditObjectsVectorsVx {position: absolute; top: 500px; left: 1px} #txtEditObjectsVectorsVy {position: absolute; top: 520px; left: 1px} #txtEditObjectsVectorsVz {position: absolute; top: 540px; left: 1px} #btnEditObjectsVectorsApply {position: absolute; top: 580px; left: 1px} #btnEditObjectsVectorsDelete {position: absolute; top: 580px; left: 85px} #divEditObjectsElements {top: 90px; left: 300px; height: 606px; visibility: hidden} #lblEditObjectsElementsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnEditObjectsElementsClose{position: absolute;} #lblSelectTargetObjectEOE {position: absolute; top: 30px; left: 1px} #selectTargetObjectEOE {position: absolute; top: 45px; left: 1px; z-index: 2;} #lblSelectReferenceObjectEOE {position: absolute; top: 80px; left: 1px} #selectReferenceObjectEOE {position: absolute; top: 95px; left: 1px; z-index: 2;} #lblEOESelectName {position: absolute; top: 125px; left: 1px} #txtEOEName {position: absolute; top: 140px; left: 1px} #lblEditObjectsElementsColor {position: absolute; top: 180px; left: 1px; width: 60px} #txtEditObjectsElementsColor {position: absolute; top: 195px; left: 1px; width: 60px} #lblEditObjectsElementsShadow {position: absolute; top: 180px; left: 63px; width: 60px} #txtEditObjectsElementsShadow {position: absolute; top: 195px; left: 63px; width: 60px} #lblEditObjectsElementsLabel {position: absolute; top: 180px; left: 125px; width: 60px} #txtEditObjectsElementsLabel {position: absolute; top: 195px; left: 125px; width: 60px} #lblEditObjectsElementsTrail {position: absolute; top: 225px; left: 1px; width: 60px} #txtEditObjectsElementsTrail {position: absolute; top: 240px; left: 1px; width: 60px} #lblEditObjectsElementsSubZ {position: absolute; top: 225px; left: 63px; width: 60px} #txtEditObjectsElementsSubZ {position: absolute; top: 240px; left: 63px; width: 60px} #lblEditObjectsElementsMass {position: absolute; top: 275px; left: 1px} #btnEditObjectsElementsMassUnits {position: absolute; top: 270px; left: 60px} #txtEditObjectsElementsMass {position: absolute; top: 290px; left: 1px} #lblEditObjectsElementsDiameter {position: absolute; top: 325px; left: 1px} #btnEditObjectsElementsDiameterUnits {position: absolute; top: 320px; left: 60px} #txtEditObjectsElementsDiameter {position: absolute; top: 340px; left: 1px} #lblEditObjectsElementsLocation {position: absolute; top: 385px; left: 1px; width: 120px} #btnEditObjectsElementsPositionUnits {position: absolute; top: 400px; left: 156px} #txtEditObjectsElementsX {position: absolute; top: 400px; left: 1px; width: 150px} #txtEditObjectsElementsY {position: absolute; top: 420px; left: 1px; width: 150px} #txtEditObjectsElementsZ {position: absolute; top: 440px; left: 1px; width: 150px} #lblEditObjectsElementsVelocity {position: absolute; top: 485px; left: 1px; width: 120px} #txtEditObjectsElementsVx {position: absolute; top: 500px; left: 1px; width: 150px} #txtEditObjectsElementsVy {position: absolute; top: 520px; left: 1px; width: 150px} #txtEditObjectsElementsVz {position: absolute; top: 540px; left: 1px; width: 150px} #btnEditObjectsElementsApply {position: absolute; top: 580px; left: 1px} #btnEditObjectsElementsDelete {position: absolute; top: 580px; left: 85px} #divStars {top:30px; left: 260px; height: 360px; visibility: hidden;} #lblStarsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnStarsClose {position: absolute;} #lblSelectStars {position: absolute; top: 30px; left: 1px} #selectStars {position: absolute; top: 45px; left: 1 px; z-index: 2} #lblStarBrightness{position: absolute; top: 75px; left: 1px} #txtStarBrightness{position: absolute; top: 90px; left: 1px} #hrStars{position: absolute; top: 120px; width: 100%} #checkRaDec {position: absolute; top: 140px; left: 3px; z-index: 2} #lblRaDec {position: absolute; top: 143px; left: 24px; width: 90px; z-index: 2;} #checkConstellationBoundaries {position: absolute; top: 140px; left: 110px; z-index: 2} #lblBoundaries {position: absolute; top: 143px; left: 131px; width: 90px; z-index: 2;} #lblGridBrightness {position: absolute; top: 163px; left:1px;} #txtGridBrightness {position: absolute; top: 178px; left: 1px} #lblRaSpacing {position: absolute; top: 208px; left: 1px} #txtRaSpacing {position: absolute; top: 223px; left: 1px} #lblDecSpacing {position: absolute; top: 253px; left: 1px} #txtDecSpacing {position: absolute; top: 268px; left: 1px} #lblGridColor {position: absolute; top: 298px; left: 1px} #txtGridColor {position: absolute; top: 313px; left: 1px} #divRotatingFrame {top:30px; left: 260px; height: 160px; visibility: hidden;} #lblRotatingFrameTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnRotatingFrameClose {position: absolute;} #lblTargetObjectRF {position: absolute; top: 20px; left: 0px; z-index: 2;} #lblReferenceObjectRF {position: absolute; top: 70px; left: 0px; z-index: 2;} #selectReferenceObjectRF {position: absolute; top: 90px; left: 0px; z-index: 2;} #lblLongitudeRF {position: absolute; top: 120px; left: 0px; z-index: 2; visibility: hidden;} #lblAltitudeRF {position: absolute; top: 170px; left: 0px; z-index: 2; visibility: hidden} #txtAltitudeRF {position: absolute; top: 190px; left: 3px; width: 160px; visibility: hidden;} #lblDistanceRF {position: absolute; top: 220px; left: 0px; z-index: 2; visibility: hidden;} #txtDistanceRF {position: absolute; top: 240px; left: 3px; width: 160px; visibility: hidden;} #checkRF {position: absolute; top: 270px; left: 3px; z-index: 2; visibility: hidden;} #divLargerPlayButton {position: fixed; top: 0px; left: 0px; visibility: hidden; z-index: 2} #btnLargerPlayButton{position: absolute; top: 300px; background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/playButton.png'); z-index: 3;} #btnCreatePreTrails {position: absolute; top: 210px; left: 20px} #divCitiesA{top: 30px; left:500px; height: 200px; visibility: hidden} #lblCitiesTitleA {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnCitiesCloseA {position: absolute} #selectCitiesA {position: absolute; top: 40px; left: 0px; z-index: 2} #lblLatitudeCitiesA {position: absolute; top: 85px; left: 0px; z-index: 2} #txtLatitudeCitiesA {position: absolute; top: 105px; left: 0px; z-index: 2} #lblLongitudeCitiesA {position: absolute; top: 140px; left: 0px; z-index: 2} #txtLongitudeCitiesA {position: absolute; top: 165px; left: 0px; z-index: 2} #divCitiesB{top: 30px; left:500px; height: 200px; visibility: hidden} #lblCitiesTitleB {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnCitiesCloseB {position: absolute} #selectCitiesB {position: absolute; top: 40px; left: 0px; z-index: 2} #lblLatitudeCitiesB {position: absolute; top: 85px; left: 0px; z-index: 2} #txtLatitudeCitiesB {position: absolute; top: 105px; left: 0px; z-index: 2} #lblLongitudeCitiesB {position: absolute; top: 140px; left: 0px; z-index: 2} #txtLongitudeCitiesB {position: absolute; top: 165px; left: 0px; z-index: 2} #divToFromA {top:30px; left: 260px; height: 490px; visibility: hidden} #lblToFromATitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnToFromAClose {position: absolute;} #lblTargetObjectA {position: absolute; top: 20px; left: 0px; z-index: 2;} #selectTargetObjectA {position: absolute; top: 40px; left: 0px; z-index: 2;} #lblCameraObjectA {position: absolute; top: 70px; left: 0px; z-index: 2;} #selectCameraObjectA {position: absolute; top: 90px; left: 0px; z-index: 2;} #spanBarycenterCheckBoxA {position: absolute; top: 120px; left: 0px; width: 90px; z-index: 2;} #checkBarycenterPerspectiveA {position: absolute; top: 120px; left: 100px; z-index: 2;} #lblMinimumObjectSizeA {position: absolute; top: 150px; left: 0px; z-index: 2;} #txtMinimumObjectSizeA {position: absolute; top: 170px; left: 0px; z-index: 2;} #lblTrailSizeA {position: absolute; top: 200px; left: 0px; z-index: 2;} #txtTrailSizeA {position: absolute; top: 220px; left: 0px; z-index: 2} #lblZoomA {position: absolute; top:246px; left: 0px; z-index:2} #pZoomInA {position: absolute; top: 270px; left: 0px; z-index:2} #txtFOVa {position: absolute; top:270px; left: 30px; z-index:2} #pZoomOutA {position: absolute; top: 270px; left: 180px; z-index:2} #checkStarsA {position: absolute; top: 310px; left: 0px; z-index: 2;} #lblStarsA {position: absolute; top: 310px; left: 20px; width: 90px; z-index: 2;} #checkStarsLabelsA {position: absolute; top: 335px; left: 0px; z-index: 2;} #checkStarsProperA {position: absolute; top: 335px; left: 20px; z-index: 2;} #lblStarsLabelsA {position: absolute; top: 335px; left: 40px; width: 90px; z-index: 2;} #checkKBOsA {position: absolute; top: 360px; left: 0px; z-index: 2;} #lblKBOsA {position: absolute; top: 360px; left: 20px; width: 90px; z-index: 2;} #checkPreTrailsA {position: absolute; top: 385px; left: 0px; z-index: 2;} #lblPreTrailsA {position: absolute; top: 385px; left: 20px; width: 90px; z-index: 2;} #checkCrescentsA {position: absolute; top: 410px; left: 0px; z-index: 2;} #lblCrescentsA {position: absolute; top: 410px; left: 20px; width: 90px; z-index: 2;} #checkSunGraphicA {position: absolute; top: 435px; left: 0px; z-index: 2;} #lblSunGraphicA {position: absolute; top: 435px; left: 20px; width: 90px; z-index: 2;} #checkLabelsA {position: absolute; top: 460px; left: 0px;} #lblLabelsA {position: absolute; top: 460px; left: 20px} #txtFontA {position: absolute; top: 460px; left: 80px;} #divToFromB {top:330px; left: 260px; height: 294px; visibility: hidden;} #lblToFromBTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnToFromBClose {position: absolute;} #lblTargetObjectB{position: absolute; top: 20px; left: 0px; z-index: 2;} #selectTargetObjectB {position: absolute; top: 40px; left: 0px; z-index: 2;} #lblCameraObjectB {position: absolute; top: 70px; left: 0px; z-index: 2;} #selectCameraObjectB {position: absolute; top: 90px; left: 0px; z-index: 2;} #spanBarycenterCheckBoxB {position: absolute; top: 120px; left: 0px; width: 90px; z-index: 2;} #checkBarycenterPerspectiveB {position: absolute; top: 120px; left: 100px; z-index: 2;} #lblMinimumObjectSizeB {position: absolute; top: 150px; left: 0px; z-index: 2;} #txtMinimumObjectSizeB {position: absolute; top: 170px; left: 0px; z-index: 2;} #lblTrailSizeB {position: absolute; top: 200px; left: 0px; z-index: 2;} #txtTrailSizeB {position: absolute; top: 220px; left: 0px; z-index: 2} #lblZoomB {position: absolute; top:246px; left: 0px; z-index:2} #pZoomInB {position: absolute; top: 270px; left: 0px; z-index:2} #txtFOVb {position: absolute; top:270px; left: 30px; z-index:2} #pZoomOutB {position: absolute; top: 270px; left: 180px; z-index:2} #checkStarsB {position: absolute; top: 310px; left: 0px; z-index: 2;} #lblStarsB {position: absolute; top: 310px; left: 20px; width: 90px; z-index: 2;} #checkStarsLabelsB {position: absolute; top: 335px; left: 0px; z-index: 2;} #lblStarsLabelsB {position: absolute; top: 335px; left: 20px; width: 90px; z-index: 2;} #checkKBOsB {position: absolute; top: 360px; left: 0px; z-index: 2;} #lblKBOsB {position: absolute; top: 360px; left: 20px; width: 90px; z-index: 2;} #checkPreTrailsB {position: absolute; top: 385px; left: 0px; z-index: 2;} #lblPreTrailsB {position: absolute; top: 385px; left: 20px; width: 90px; z-index: 2;} #checkCrescentsB {position: absolute; top: 410px; left: 0px; z-index: 2;} #lblCrescentsB {position: absolute; top: 410px; left: 20px; width: 90px; z-index: 2;} #checkSunGraphicB {position: absolute; top: 435px; left: 0px; z-index: 2;} #lblSunGraphicB {position: absolute; top: 435px; left: 20px; width: 90px; z-index: 2;} #checkLabelsB {position: absolute; top: 460px; left: 0px;} #lblLabelsB {position: absolute; top: 460px; left: 20px} #txtFontB {position: absolute; top: 460px; left: 80px;} #divScreenShotImage {top:200px; left: 600px; width: 300px; height: 200px; visibility: hidden;} #lblScreenShotImageTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnScreenShotImageClose {position: absolute; left: 275px; z-index: 2} #imgScreenShotImage {position: absolute; top: 0px; left: 0px; width: 298px; height: 198px} #divOutputFile {top:200px; left: 600px; width: 300px; height: 200px; visibility: hidden;} #checkCreateDataFile{} #lblSampleEvery{} #txtSampleEvery{} #lblMaxDataSamples{} #txtMaxDataSamples{} #checkDataSma{} #checkDataEcc{} #checkDataInc{} #checkDataNode{} #checkDataPeri{} #checkDataMa{} #checkDataRx{} #checkDataRy{} #checkDataRz{} #checkDataVx{} #checkDataVy{} #checkDataVz{} #selectDataObjects{} #divQuickHelp {top:200px; left: 600px; width: 200px; height: 300px; visibility: hidden} #lblQuickHelpTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnQuickHelpClose {position: absolute; left: 180px} #txtAreaQuickHelp {position: absolute; top: 20px; left: 1px; width: 198px; height: 298px} #divAPsingleEvents {top:200px; left: 600px; width: 400px; height: 370px; visibility: hidden;} #lblAPsingleEventsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnAPsingleEventsClose {position: absolute; left: 380px} #txtAreaAPsingleEvents {position: absolute; top: 20px; left: 1px; width: 398px; height: 300px} #btnAPsingleEventsUpdate {position: absolute; top: 340px; left: 1px} #divAPnow {top:200px; left: 600px; width: 400px; height: 370px; visibility: hidden;} #lblAPnowTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnAPnowClose {position: absolute; left: 380px} #txtAreaAPnow {position: absolute; top: 20px; left: 1px; width: 398px; height: 300px} #btnAPnowUpdate {position: absolute; top: 340px; left: 1px} #divAPperIteration {top:200px; left: 600px; width: 400px; height: 370px; visibility: hidden;} #lblAPperIterationTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnAPperIterationClose {position: absolute; left: 380px} #txtAreaAPperIteration {position: absolute; top: 20px; left: 1px; width: 398px; height: 300px} #btnAPperIterationUpdate {position: absolute; top: 340px; left: 1px} #divAPperGraphicUpdate {top:200px; left: 600px; width: 400px; height: 370px; visibility: hidden;} #lblAPperGraphicUpdateTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnAPperGraphicUpdateClose {position: absolute; left: 380px} #txtAreaAPperGraphicUpdate {position: absolute; top: 20px; left: 1px; width: 398px; height: 300px} #btnAPperGraphicUpdateUpdate {position: absolute; top: 340px; left: 1px} #divScreenShots {top:200px; left: 600px; height: 560px; visibility: hidden;} #lblScreenShotsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnScreenShotsClose {position: absolute;} #btnTakeScreenShots {position: absolute; top: 28px; left: 0px;} #lblScreenShotsDimensions {position: absolute; top: 108px; left: 0px} #txtScreenShotDimensions {position: absolute; top: 128px; left: 0px} #checkScreenShotsCls{position: absolute; top:158px; left: 0px} #lblScreenShotsCls{position: absolute; top: 158px; left: 25px} #checkScreenShotsAforeground{position: absolute; top: 188px; left: 0px;} #lblscreenShotsAforeground{position: absolute; top: 188px; left: 25px;} #checkScreenShotsAbackground{position: absolute; top: 218px; left: 0px;} #lblscreenShotsAbackground{position: absolute; top: 218px; left: 25px;} #lblScreenShotsAposition {position: absolute; top: 248px; left: 0px} #txtScreenShotsAposition {position: absolute; top: 268px; left: 0px} #checkScreenShotsBforeground{position: absolute; top: 298px; left: 0px;} #lblscreenShotsBforeground{position: absolute; top: 298px; left: 25px;} #checkScreenShotsBbackground{position: absolute; top: 328px; left: 0px;} #lblscreenShotsBbackground{position: absolute; top: 328px; left: 25px;} #lblScreenShotsBposition {position: absolute; top: 358px; left: 0px} #txtScreenShotsBposition {position: absolute; top: 378px; left: 0px} #lblScreenShotData {position: absolute; top:408px; left: 0px} #divPreferences {top:20px; left: 100px; height: 360px; visibility: hidden} #lblPreferencesTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnPreferencesClose {position: absolute;} #lblDoEvents {position: absolute; top: 28px; left: 0px} #txtDoEvents {position: absolute; top: 48px; left: 0px} #lblSelectIntegrator {position: absolute; top: 85px; left: 0px;} #selectIntegrator {position: absolute; top: 105px; left: 0px; z-index: 2;} #lblStepsPerRadian {position: absolute; top: 135px; left: 0px;} #txtStepsPerRadian {position: absolute; top: 165px; left: 0px;} #lblEventsDuration {position: absolute; top: 200px; left: 0px} #txtEventsDuration {position: absolute; top: 220px; left: 0px} #lblOpacity {position: absolute; top: 255px; left: 0px} #txtOpacity {position: absolute; top: 270px; left: 0px} #checkMedia {position: absolute; top: 300px; left: 1px} #lblMedia {position: absolute; top: 300px; left: 20px} #checkRealTime {position: absolute; top: 330px; left: 1px} #lblRealTime {position: absolute; top: 330px; left: 20px} #divCollisionLog {top:20px; left: 100px; height: 75px; width: 580px; visibility: hidden} #lblCollisionLogTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnCollisionLogClose {position: absolute; left: 558px} #txtAreaCollisionLog {position: absolute; top: 20px; left: 1px; width: 578px; height: 54px;} #divSimulationDescription {top:20px; left: 150px; height: 75px; width: 580px; visibility: hidden} #lblSimulationDescriptionTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnSimulationDescriptionClose {position: absolute; left: 558px} #txtAreaSimulationDescription {position: absolute; top: 20px; left: 1px; width: 578px; height: 54px;} #divScreens {position: fixed; z-index: 2; top:200px; left: 600px; width: 250px; height: 40px; opacity: 0.8; background-color: #111111; border: none; visibility: hidden;} #divEccentricity {position: absolute; z-index: 2; top:10px; left: 555px; width: 250px; height: 40px; opacity: 0.8; background-color: #111111; border: none; visibility: hidden;} #divSMA {position: absolute; z-index: 2; top:60px; left: 555px; width: 250px; height: 40px; opacity: 0.8; background-color: #111111; border: none; visibility: hidden;} #divVectors {top:30px; left: 350px; width: 170px; height: 420px; visibility: hidden;} #lblVectorsTitle{position: absolute; top: 0px; left: 0px; z-index: 2;} #btnVectorsClose {position: absolute; left: 150px} #selectvectorObj1A {position: absolute; top: 25px; left: 1px; z-index: 2} #selectvectorObj2A {position: absolute; top: 45px; left: 1px; z-index: 2} #btnPositionUnits {position: absolute; top: 75px; left: 1px; width: 150px} #txtObjx {position: absolute; top:95px; left: 1px} #txtObjy {position: absolute; top:115px; left: 1px} #txtObjz {position: absolute; top:135px; left: 1px} #btnVelocityUnits {position: absolute; top:165px; left: 1px; width: 150px} #txtObjvx {position: absolute; top:185px; left: 1px} #txtObjvy {position: absolute; top: 205px; left: 1px} #txtObjvz {position: absolute; top: 225px; left: 1px} #lblDistanceAndSpeed {position: absolute; top:255px; left: 1px; color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif} #txtDistance{position: absolute; top: 280px; left: 1px} #txtSpeed{position: absolute; top: 300px; left: 1px} #spanTangentialSpeedVectors {position: absolute; top: 330px; left: 1px; color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif} #lblTangentialSpeedVectors {position: absolute; top: 355px; left: 1px} #spanRadialVelocityVectors {position: absolute; top: 380px; left: 1px; color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif} #lblRadialVelocityVectors {position: absolute; top: 400px; left: 1px} #divFocusObject {position: fixed; z-index: 2; top:680px; left: 20px; width: 250px; height: 40px; opacity: 0.8; background-color: #111111; border: none; visibility: hidden;} #divCreateObjects {top:200px; left: 600px; width: 650px; height: 460px; visibility: hidden;} #lblCreateObjectsTitle{position: absolute; top: 0px; left: 0px; width: 650px; z-index: 2;} #btnCreateObjectsClose {position: absolute; left: 630px} #tblCreateObjects {position: absolute; left: 0px; top: 30px} #btnCreateObjects {position: absolute; left: 0px; top: 430px; z-index: 3;} #divClones {top: 200px; left:300px; height: 450px; width: 920px; visibility: hidden} #lblClonesTitle{position: absolute; top: 0px; left: 0px; z-index: 2;} #btnClonesClose {position: absolute; left: 900px} #lblClonesPaste {position: absolute; top: 30px; left: 0px;} #txtClonesPaste {position: absolute; top: 50px; left: 0px;} #btnClonesPaste {position: absolute; top: 75px; left: 0px;} #tableCloneElements {position: absolute; top: 105px; left: 0px;} #tableCloneCovarianceMatrix {position: absolute; top: 225px; left: 0px;} #btnCreateClones {position: absolute; top: 405px; left: 0px;} #divSaveAs {top:200px; left: 600px; height: 698px; visibility: hidden} #lblSaveAsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #lblSaveAsFileName {position: absolute; top: 25px; left: 0px; z-index: 2;} #txtSaveAsFileName {position: absolute; top: 45px; left: 0px; z-index: 2;} #lblSaveAsKeywords {position: absolute; top: 75px; left: 0px; z-index: 2;} #txtSaveAsKeywords {position: absolute; top: 95px; left: 0px; z-index: 2;} #lblSaveAsDescription {position: absolute; top: 125px; left: 0px; z-index: 2;} #txtAreaSaveAsDescription {position: absolute; top: 145px; left: 0px; width: 240px; height: 200px; z-index: 2;} #lblSaveAsAuthor {position: absolute; top: 365px; left: 0px; z-index: 2;} #txtSaveAsAuthor {position: absolute; top: 385px; left: 0px; z-index: 2;} #lblSaveAsTempLink {position: absolute; top: 415px; left: 20px; z-index: 2;} #checkSaveAsTempLink {position: absolute; top: 415px; left: 0px; z-index: 2;} #lblSaveAsShare {position: absolute; top: 435px; left: 20px; z-index: 2;} #checkSaveAsShare {position: absolute; top: 434px; left: 0px; z-index: 2;} #btnSaveAs {position: absolute; top: 465px; left: 0px; z-index: 2;} #lblSaveAsAddress {position: absolute; top: 495px; left: 0px; z-index: 2;} #spanSimURL {position: absolute; top: 515px; left: 0px; width: 245px; height: 60px z-index: 2;} //#btnSaveAsNavigateTo {position: absolute; top:515px; left: 0px; z-index: 3;} #lblSaveAsSourceCode {position: absolute; top: 595px; left: 0px; z-index: 2;} #txtAreaSaveAs {position: absolute; top:615px; left: 0px; width: 245px; height: 80px; z-index: 2;} #btnSaveAsClose {position: absolute} #divImportObjectsLite {top:210px; left: 600px; height: 110px; visibility: hidden} #lblImportObjectsLiteTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnImportObjectsLiteClose {position: absolute} #txtImportObjectsLite {position: absolute; top: 30px; left: 1px; width: 150px} #btnImportObjectsLite {position: absolute; top: 55px; left: 1px} #lblImportObjectsLite {position: absolute; top: 80px; left: 1px} #txtImportColor {position: absolute; top: 30px; left: 160px; width: 60px} #divImportObjects {top:210px; left: 600px; width: 355px; height: 560px; visibility: hidden} #lblImportObjectsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnImportObjectsClose {position: absolute; left: 334px} #checkDeleteExistingObjects{position: absolute; left: 1px; top: 35px} #lblDeleteExistingObjects {position: absolute; left: 25px; top: 28px; width: 100px;} #lblImportSetTimeDateAndTime {position: absolute; top: 30px; left: 130px; width: 165px;} #txtImportSetDateAndTime {position: absolute; top: 45px; left: 130px; width: 165px;} #btnImportNow {position: absolute; top: 45px; left:300px} #divImportButtons {position: absolute; top: 80px; left: 1px: height: 100px} #txtAreaObjects {position: absolute; width: 350px; height: 300px; top: 215px} #btnImportObjects{position: absolute; top: 530px} #divDeleteObjects {top:200px; left: 600px; height: 500px; visibility: hidden} #lblDeleteObjectsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnDeleteObjectsClose {position: absolute} #divDeleteList{position: absolute; top: 20px; left: 0px; width: 100%; height: 440px; overflow: scroll} #btnDeleteList{position: absolute; top: 466px; left: 1px;} #btnDeleteExistingObjects{position: absolute; top: 466px; left: 125px} #divPreTrailObjectList {top:200px; left: 600px; height: 500px; visibility: hidden} #lblPreTrailObjectListTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #divPTOList{position: absolute; top: 20px; left: 0px; width: 100%; height: 440px; overflow: scroll} #btnPreTrailObject{position: absolute; top: 466px;} #btnPreTrailObjectListClose {position: absolute} .classNewDiv {color: cyan; background-color: Transparent; font-family: 'Lucida Console', Monaco, monospace; font-size: 12px; z-index: 2; border: none; opacity:0.8} .classNewDivButton {width: 30px; height: 30px; border-radius: 6px;} .classBtnOptions { z-index: 3; position: absolute; top: 0px; left: 115px; width: 35px; height: 35px; background-repeat:no-repeat; -webkit-border-radius: 12px; -moz-border-radius: 12px; border-radius: 12px; -webkit-border-radius: 12px; -moz-border-radius: 12px; background: transparent; //opacity: 0.8; background-color: #000020; color: green; border-color: #3b8e92; background-size: 32px; background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/gearImg.png"); visibility: hidden; } .classBtnMacro { z-index: 3; position: absolute; top: 0px; left: 115px; width: 73px; height: 73px; background-repeat:no-repeat; -webkit-border-radius: 12px; -moz-border-radius: 12px; border-radius: 12px; -webkit-border-radius: 12px; -moz-border-radius: 12px; background: transparent; //opacity: 0.8; background-color: #000020; color: green; border-color: #3b8e92; //background-size: 32px; } .divCheck {position: absolute; top:0px; left:75px; width: 35px; height: 35px; cursor:pointer; background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF");} .classLblCheck {position: absolute; top: 7px; left: 0px;} .btnCheck {position: absolute; top: 0px; left: 0px;} #btnOptionHeliocentric {background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/sunIcon2.GIF')} #btnOptionGeocentric {background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/earthIcon2.GIF');} #btnOptionSkyView {background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/skyIcon2.GIF');} #divBigA {position: absolute; top: 20px; left: 0px; width: 1px; height: 1px; border-style: none;} #divHorizontal {position: absolute; top: 20px; left: 110px; height: 12px; width: 812px;} #divZoomBar {background-color: #000055; position: absolute; left:0px; top:0px; width:300px; height:30px; border-radius: 25px;} #divZoom{background-image: linear-gradient(blue 0%, cyan 98%); position: absolute; width: 60px; height: 30px; top: 0px; border-radius: 25px;} #divAzimuthBar {background-color: #000055; position: absolute; left: 0px; top:40px; width: 300px; height:30px; border-radius: 25px} #divAzimuth {background-image: linear-gradient(blue 0%, cyan 98%); position: absolute; width: 60px; height: 30px; top: 0px; border-radius: 25px;} #divPlayPause {position: absolute; top: 150px; height: 100px; width: 100px} #divVertical {position: absolute; top: 20px; left:0px; height: 812px; width: 100px; border-style: none;} #divAltitudeBar {background-color: #000055; position: absolute; left: 50px; top: 0px; width: 30px; height: 300px; border-radius: 25px;} #divAltitude {background-image: linear-gradient(blue 0%, cyan 98%); background-color: purple; position: absolute; width: 30px; height: 60px; left: 0px; border-radius: 25px;} #divDistanceBar {background-color: #000055; position: absolute; left:10px; top:0px; width: 30px; height: 300px; border-radius: 25px;} #divDistance {background-image: linear-gradient(blue 0%, cyan 98%); background-color: purple; position: absolute; width: 30px; height: 60px; left: 0px; border-radius: 25px;} #spanTo {position: absolute; top:-10px; left: 320px; width: 112px; height: 60px;} #spanFrom {position: absolute; top:30px; left: 320px; width: 112px; height: 49px;} #btnPlayMedium {position: absolute; top: 100px; left: 130px; background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/playButton.png'); background-size: 110px;} #btnDirectionMedium {position: absolute; top: 100px; left: 0px; background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/forwardButton.png'); background-size: 110px;} #spanView {position: absolute; top: 230px; left: 5px; width: 100px} #spanOrbits {position: absolute; top: 320px; left: 10px; width: 100px;} #spanTrails {position: absolute; top: 360px; left: 10px; width: 100px;} #spanAxes {position: absolute; top: 400px; left: 10px; width: 100px;} #span3d {position: absolute; top: 520px; left: 10px; width: 100px;} #spanNames {position: absolute; top: 440px; left: 10px; width: 50px;} #spanStars {position: absolute; top: 480px; left: 10px; width: 100px} #spanRF {position: absolute; top: 560px; left:10px; width: 100px} #lblRF {top: 0px; font-size: 15px;} #lblRF2 {top: 20px; font-size: 15px;} #select1 {width: 140px; max-width: 140px; font-size: 16px; background-color: #0000BB; color: #00FFFF; border-radius: 3px} #select2 {width: 140px; max-width: 140px; font-size: 16px; background-color: #0000BB; color: #00FFFF; border-radius: 3px} #btnOptionCities {position: absolute; top: 40px; left: 50px} .classControlDiv {position: fixed; width: 250px; border: 1px solid blue; background-color: rgba(0,0,255,0.1); z-index: 2;} .classControlTitle {width: 100%; background-color: rgba(0, 0, 200, 0.8); color: white; font-family: Tahoma, Geneva, sans-serif; z-index: 2;} .classLblData {color: cyan; background-color: Transparent; font-family: 'Lucida Console', Monaco, monospace; font-size: 12px; z-index: 2; border: none; opacity:0.8} .classTxtInput {color: white; background-color: black; z-index: 2; opacity: 0.8} .classSelect {color: white; background-color: red; z-index: 2; border: none; opacity: 0.8} .classBtn {-webkit-border-radius: 5px; -moz-border-radius: 5px; border-radius: 5px; -webkit-border-radius: 5px; -moz-border-radius: 5px; background: transparent; opacity: 0.8; background-color: #000020; color: cyan; border-color: #3b8e92; } .classTxtColor {-webkit-border-radius: 5px; -moz-border-radius: 5px; border-radius: 5px; -webkit-border-radius: 5px; -moz-border-radius: 5px; background: transparent; opacity: 0.8; background-color: #000020; color: cyan; border-color: #3b8e92; } .classBtnSmall { z-index: 3; width: 20px; height: 20px; -webkit-border-radius: 15px; -moz-border-radius: 15px; border-radius: 15px; -webkit-border-radius: 15px; -moz-border-radius: 15px; background: transparent; opacity: 0.8; background-color: #000020; color: cyan; border-color: #3b8e92; } .classBtnPlay2 { //delete me height: 460px; width: 460px; background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/playButton.png'); background-repeat:no-repeat; } .classBtnPlay { z-index: 3; width: 460px; height: 460px; background-repeat:no-repeat; -webkit-border-radius: 150px; -moz-border-radius: 150px; border-radius: 150px; -webkit-border-radius: 150px; -moz-border-radius: 150px; background: transparent; opacity: 0.8; background-color: #000020; color: cyan; border-color: #3b8e92; } .classBtnPlayMedium { z-index: 3; width: 115px; height: 115px; background-repeat:no-repeat; -webkit-border-radius: 38px; -moz-border-radius: 38px; border-radius: 38px; -webkit-border-radius: 38px; -moz-border-radius: 38px; background: transparent; //opacity: 0.8; background-color: #000020; color: green; border-color: #3b8e92; } * {-webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; } .classTable{color: cyan; background-color:#111111; opacity: 0.8} .classBtnUnit { width: 40px; color: cyan; background-color: Transparent; background-repeat:no-repeat; border: none; cursor:pointer; overflow: hidden; outline:none; } .classMenuButton:hover {background: #383;} .classBtnClose { z-index: 3; width: 20px; height: 20px; left: 228px; top: 0px; -webkit-border-radius: 15px; -moz-border-radius: 5px; border-radius: 5px; -webkit-border-radius: 5px; -moz-border-radius: 5px; background: transparent; opacity: 0.8; background-color: #000020; color: red; border-color: #928e3b;} .classMenuButton {color: cyan; background-color: black; background-repeat:no-repeat; border: none; cursor:pointer; overflow: hidden; outline:none; font-size: 16px; font-family: Geneva, Tahoma, Verdana, sans-serif; opacity: 0.8; } #btnViewMenu { //position: absolute; //top: 3px; //left: 71px; } //#lblLabelsA {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblScreens {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblScreenShots {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblScreenWidth {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #spanScreenWidth {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblPreferences {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblDoEvents {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblEventsDuration {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblUpdateGraphics {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblMinimumObjectSize {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblDivEccentricity {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblEccentricity {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblDivSMA {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblSMA {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblFocusObject {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #canvasPixels { position: absolute; z-index: 1; top: 0px; left: 0px; background-color:#000000; } #foregroundLayer { position: absolute; z-index: 2; top: 0px; left: 0px; } #canvasPixelsPerspectiveA { position: absolute; z-index: 1; top: 0px; left: 0px; background-color:#000000; } #foregroundLayerPerspectiveA { position: absolute; z-index: 2; top: 0px; left: 0px; } #trailLayerPerspectiveA { position: absolute; z-index: 2; top: 0px; left: 0px; } #canvasPixelsPerspectiveB { position: absolute; z-index: 1; top: 0px; left: 5000px; background-color:#000000; } #foregroundLayerPerspectiveB { position: absolute; z-index: 2; top: 0px; left: 5000px; } #trailLayerPerspectiveB { position: absolute; z-index: 2; top: 0px; left: 5000px; } //delete this one after all uses have been transfered to classBtnClose .btnClose { position: absolute; top: 0px; width: 15px; height: 15px; background-color: red; font-size: 8px; font-weight: bold; visibility: hidden; } #btnEccentricityClose {left: 235px} #btnSMAClose {left: 235px} #divStereo {top: 660px; left: 4px; height: 165px; visibility: hidden} #lblStereoTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #checkStereo {position: absolute; top: 25px; left: 0px;} #lblStereo {position: absolute; top: 25px; left: 22px;} #radioCrosseye {position: absolute; top: 145px; left: 0px; } #lblRCrosseye {position: absolute; top: 145px; left: 22px; } #radioParallel {position: absolute; top: 125px; left: 0px;} #lblRParallel {position: absolute; top: 125px; left: 22px; } #txtBaseline {position: absolute; top: 65px; left: 0px; z-index: 2; } #lblBaseline {position: absolute; top: 85px; left: 0px; width:100px;} #btnStereoClose {position: absolute;} #divBlank {top: 660px; left: 4px; height: 165px; visibility: hidden} #lblBlankTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnBlankClose {position: absolute;} </style> <script src="http://orbitsimulator.com/gravitySimulatorCloud/stars716DynamicWithNames.js" type="text/javascript"></script></head> <body style="cursor: auto;" bgcolor="#000000" onresize="sizeFrames()" data-twttr-rendered="true"> <center> <div id="divAds"> </div> </center> <div id="divMenuShow" style="visibility: visible;"> <input class="classBtn" id="btnMenuShow" onclick="menu()" type="button" value="...>"> </div> <div id="divMenu" style="visibility: visible;"> <input class="classMenuButton" id="btnFileMenu" onclick="fileMenu()" type="button" value="File "> <input class="classMenuButton" id="btnObjectsMenu" onclick="objectsMenu()" type="button" value="Objects "> <input class="classMenuButton" id="btnTimeMenu" onclick="timeMenu()" type="button" value="Time"><br> <input class="classMenuButton" id="btnVectorMenu" style="visibility: hidden;" onclick="document.getElementById('divVectors').style.visibility='visible';" type="button" value="Vectors"> <input class="classMenuButton" id="btnCalendarDate" style="visibility: hidden;" onclick="document.getElementById('divCalendarDate').style.visibility='visible';" type="button" value="Calendar date (Local)"> <input class="classMenuButton" id="btnCalendarDateUTC" style="visibility: hidden;" onclick="document.getElementById('divCalendarDateUTC').style.visibility='visible';" type="button" value="Calendar date (UTC)"> <input class="classMenuButton" id="btnJulianDate" style="visibility: hidden;" onclick="document.getElementById('divJulianDate').style.visibility='visible';" type="button" value="Julian day"> <input class="classMenuButton" id="btnPreferencesMenu" onmouseover="hideAllMenuButtons()" onclick="preferencesMenu()" type="button" value="Preferences"> <input class="classMenuButton" id="btnTimeStepMenu" style="visibility: hidden;" onclick="&#10;document.getElementById('divTimeStep').style.visibility='visible'" type="button" value="Time step"> <input class="classMenuButton" id="btnSetDateAndTimeMenu" style="visibility: hidden;" onclick="setCurrentTime(); document.getElementById('divSetTime').style.visibility='visible';" type="button" value="Set time &amp; date"> <input class="classMenuButton" id="btnToFromAMenu" style="visibility: hidden;" onclick="document.getElementById('divToFromA').style.visibility='visible';" type="button" value="Frame A"> <input class="classMenuButton" id="btnToFromBMenu" style="visibility: hidden;" onclick="document.getElementById('divToFromB').style.visibility='visible';" type="button" value="Frame B"> <input class="classMenuButton" id="btnScreensMenu" style="visibility: hidden;" onclick="document.getElementById('divScreens').style.visibility='visible';" type="button" value="Screens"> <input class="classMenuButton" id="btnScreenShotsMenu" style="visibility: hidden;" onclick="document.getElementById('divScreenShots').style.visibility='visible';" type="button" value="Screen shots"> <input class="classMenuButton" id="btnCollisionLogMenu" style="visibility: hidden;" onclick="document.getElementById('divCollisionLog').style.visibility='visible';" type="button" value="Collision log"> <input class="classMenuButton" id="btnSimulationDescriptionMenu" style="visibility: hidden;" onclick="document.getElementById('divSimulationDescription').style.visibility='visible';" type="button" value="Description"> <input class="classMenuButton" id="btnQuickHelpMenu" style="visibility: hidden;" onclick="document.getElementById('divQuickHelp').style.visibility='visible';" type="button" value="Quick help"> <input class="classMenuButton" id="btnManualMenu" style="visibility: hidden;" onclick="window.open('http://orbitsimulator.com/gravitySimulatorCloud/gsimHelp.html')" type="button" value="Manual"> <input class="classMenuButton" id="btnAboutMenu" style="visibility: hidden;" onclick="window.open('http://orbitsimulator.com/gravitySimulatorCloud/gsimAbout.html')" type="button" value="About"> <input class="classMenuButton" id="btnEditObjectsVectorsMenu" style="visibility: hidden;" onclick="populateEditObjectsVectors(true); document.getElementById('divEditObjectsVectors').style.visibility='visible';" type="button" value="Edit objects (vectors)"> <input class="classMenuButton" id="btnEditObjectsElementsMenu" style="visibility: hidden;" onclick="populateEditObjectsElements(true); document.getElementById('divEditObjectsElements').style.visibility='visible';" type="button" value="Edit objects (elements)"> <input class="classMenuButton" id="btnSaveAsMenu" style="visibility: hidden;" onclick="document.getElementById('divSaveAs').style.visibility='visible';" type="button" value="Save as"> <input class="classMenuButton" id="btnDisplayMenu" onclick="displayMenu()" type="button" value="Display"> <input class="classMenuButton" id="btnRotatingFrameMenu" style="visibility: hidden;" onclick="document.getElementById('divRotatingFrame').style.visibility='visible';" type="button" value="Rotating frame"> <input class="classMenuButton" id="btnStarsMenu" style="visibility: hidden;" onclick="document.getElementById('divStars').style.visibility='visible';" type="button" value="Stars"> <input class="classMenuButton" id="btnCameraAMenu" style="visibility: hidden;" onclick="document.getElementById('divRotateCameraA').style.visibility='visible';" type="button" value="Camera A"> <input class="classMenuButton" id="btnStereoMenu" style="visibility: hidden;" onclick="document.getElementById('divStereo').style.visibility='visible';" type="button" value="Stereo"> <input class="classMenuButton" id="btnBlankMenu" style="visibility: hidden;" onclick="document.getElementById('divBlank').style.visibility='visible';" type="button" value="Blank"> <input class="classMenuButton" id="btnCitiesAMenu" style="visibility: hidden;" onclick="document.getElementById('divCitiesA').style.visibility='visible';" type="button" value="Cities A"> <input class="classMenuButton" id="btnCitiesBMenu" style="visibility: hidden;" onclick="document.getElementById('divCitiesB').style.visibility='visible';" type="button" value="Cities B"> <input class="classMenuButton" id="btnLargePlayMenu" style="visibility: hidden;" onclick="if (bPause == 1){pause()};centerPlayButton(); document.getElementById('divLargerPlayButton').style.visibility='visible';" type="button" value="Large play button"> <input class="classMenuButton" id="btnMainMenu" style="visibility: hidden;" onclick="if (divBigA.style.visibility == 'hidden'){document.getElementById('divBigA').style.visibility='visible'; btnMainMenu.value = 'Hide Main Controls';} else {divBigA.style.visibility = 'hidden'; btnMainMenu.value = 'Show Main Controls'}" type="button" value="Hide Main Controls"> <input class="classMenuButton" id="btnAutopilotMenu" onclick="autoPilotMenu()" type="button" value="Autopilot"> <input class="classMenuButton" id="btnAPnowMenu" style="visibility: hidden;" onclick="document.getElementById('divAPnow').style.visibility='visible';" type="button" value="Now"> <input class="classMenuButton" id="btnAPsingleEventsMenu" style="visibility: hidden;" onclick="document.getElementById('divAPsingleEvents').style.visibility='visible';" type="button" value="Single events"> <input class="classMenuButton" id="btnAPperIterationMenu" style="visibility: hidden;" onclick="document.getElementById('divAPperIteration').style.visibility='visible';" type="button" value="Per iteration"> <input class="classMenuButton" id="btnAPperGraphicUpdateMenu" style="visibility: hidden;" onclick="document.getElementById('divAPperGraphicUpdate').style.visibility='visible';" type="button" value="Per graphic update"> <input class="classMenuButton" id="btnCreateObjectsMenu" style="visibility: hidden;" onclick="document.getElementById('divCreateObjects').style.visibility='visible';" type="button" value="Create objects"> <input class="classMenuButton" id="btnClonesMenu" style="visibility: hidden;" onclick="document.getElementById('divClones').style.visibility='visible'; document.getElementById('divClones').style.zIndex = '10'" type="button" value="Create object with clones"> <input class="classMenuButton" id="btnImportObjectsLiteMenu" style="visibility: hidden;" onclick="document.getElementById('divImportObjectsLite').style.visibility='visible'" type="button" value="Import object"> <input class="classMenuButton" id="btnImportObjectsMenu" style="visibility: hidden;" onclick="txtImportSetDateAndTime.value = UTC2(elapsedTime * 1000 + startDate); document.getElementById('divImportObjects').style.visibility='visible';" type="button" value="Import objects"> <input class="classMenuButton" id="btnDeleteObjectsMenu" style="visibility: hidden;" onclick="chooseDeletions(); document.getElementById('divDeleteObjects').style.visibility='visible';" type="button" value="Delete objects"> <input class="classMenuButton" id="btnPreTrailsMenu" style="visibility: hidden;" onclick="document.getElementById('divPreTrailObjectList').style.visibility='visible';" type="button" value="Orbits"> <input class="classMenuButton" id="btnHelpMenu" onclick="helpMenu()" type="button" value="Help"> <input class="classBtn" id="btnMenuHide" onclick="menuHide()" type="button" value="<..."> </div> <img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/playButton.png"> <img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/forwardButton.png"> <img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/pauseButton.png"> <img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/backButton.png"> <img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/earthIcon.png"> <img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/sunIcon.png"> <div class="classControlDiv ui-draggable" id="divStereo" style="left: 142px; top: 369px; visibility: hidden;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblStereoTitle">Stereo</label> <input id="checkStereo" onclick="stereo()" type="checkbox"> <label class="classLblData" id="lblStereo" for="checkStereo">Stereo</label> <input class="classTxtInput" id="txtBaseline" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeBaseline(); moveB()" type="text" value="1"> <label class="classLblData" id="lblBaseline">Baseline (deg)</label> <input name="radioStereo" id="radioCrosseye" onclick="moveB()" type="radio" checked="checked"> <label class="classLblData" id="lblRCrosseye" for="radioCrosseye">Crosseye</label> <input name="radioStereo" id="radioParallel" onclick="moveB()" type="radio"> <label class="classLblData" id="lblRParallel" for="radioParallel">Parallel</label> <input class="classBtnClose" id="btnStereoClose" onclick="hideMe('divStereo')" type="button" value="x"> </div> <div class="classControlDiv ui-draggable" id="divBlank" style="border: medium; border-image: none; left: 574px; top: 63px; visibility: visible; background-color: rgba(0, 0, 255, 0);" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblBlankTitle" style="visibility: hidden;">.</label><br> <div id="divInBlank" style="width: 700px; color: rgb(255, 255, 0); font-size: 20px; font-family: Consolas;">Oct 12 2026 22:13:20 UTC&nbsp;&nbsp;&nbsp;&nbsp; JD 2461326.425926<br>Mon Oct 12 2026 20:40:00 GMT+0200 (Mitteleuropäische Sommerzeit)<br><table><tbody><tr><td style="text-align:left">Earth:</td><td style="text-align: right; padding-left: 20px">0.884 AU</td><td style="text-align: right; padding-left: 20px">60.130 km/s</td></tr><tr><td style="text-align:left">Sun: </td><td style="text-align: right; padding-left: 20px" ;="">0.720 AU</td><td style="text-align: right; padding-left: 40px">31.051 km/s</td></tr></tbody></table></div> <input class="classBtnClose" id="btnBlankClose" style="visibility: hidden;" onclick="hideMe('divBlank')" type="button" value="x"> </div> <div class="classControlDiv ui-draggable" id="divSetTime" style="visibility: hidden; left: 428px; top: 373px;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblSetTimeTitle">Set time</label> <label class="classLblData" id="lblSetTimeDateAndTime">Date and Time (UTC)</label> <input class="classTxtInput" id="txtSetDateAndTime" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"> <input id="btnSetTimeOK" onclick="setDate(txtSetDateAndTime.value); updateInfo(); hideMe('divSetTime')" type="button" value="Apply"> <input class="classBtnClose" id="btnSetTimeClose" onclick="hideMe('divSetTime')" type="button" value="x"> </div> <div class="classControlDiv ui-draggable" id="divEditObjectsVectors" style="left: 670px; top: 174px; visibility: hidden;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblEditObjectsVectorsTitle">Edit objects -- state vectors</label> <input class="classBtnClose" id="btnEditObjectsVectorsClose" onclick="hideMe('divEditObjectsVectors')" type="button" value="x"> <label class="classLblData" id="lblSelectTargetObjectEOV">Object</label> <select class="classSelect" id="selectTargetObjectEOV" onchange="populateEditObjectsVectors(true)"><option value="1">Tau Ceti</option><option value="2">Tau Ceti b</option><option value="3">Tau Ceti c</option><option value="4">Tau Ceti d</option><option value="5">Tau Ceti e</option><option value="6">Tau Ceti f</option><option value="7">Tau Ceti g</option><option value="8">Tau Ceti h</option><option value="9">Doze-Planet</option><option value="10">Camera A</option><option value="11">Camera B</option></select> <label class="classLblData" id="lblSelectReferenceObjectEOV">Reference object</label> <select class="classSelect" id="selectReferenceObjectEOV" onchange="populateEditObjectsVectors(false)"><option value="1">Tau Ceti</option><option value="2">Tau Ceti b</option><option value="3">Tau Ceti c</option><option value="4">Tau Ceti d</option><option value="5">Tau Ceti e</option><option value="6">Tau Ceti f</option><option value="7">Tau Ceti g</option><option value="8">Tau Ceti h</option><option value="9">Doze-Planet</option></select> <label class="classLblData" id="lblEOVSelectName">Name</label> <input class="classTxtInput" id="txtEOVName" type="text"> <label class="classLblData" id="lblEditObjectsVectorsColor">Color</label> <input class="color classTxtColor" id="txtEditObjectsVectorsColor" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsVectorsShadow">Shadow</label> <input class="color classTxtColor" id="txtEditObjectsVectorsShadow" style="background-image: none; color: rgb(255, 255, 255); background-color: rgb(4, 4, 8);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsVectorsLabel">Label</label> <input class="color classTxtColor" id="txtEditObjectsVectorsLabel" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsVectorsTrail">Trail</label> <input class="color classTxtColor" id="txtEditObjectsVectorsTrail" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsVectorsSubZ">Sub Z</label> <input class="color classTxtColor" id="txtEditObjectsVectorsSubZ" style="background-image: none; color: rgb(255, 255, 255); background-color: rgb(42, 42, 85);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsVectorMass">Mass</label> <input title="Earth masses" class="classBtnUnit" id="btnEditObjectsVectorMassUnits" onclick="changeMassUnit('btnEditObjectsVectorMassUnits'); populateEditObjectsVectors(false)" type="button" value="(Em)"> <input class="classTxtInput" id="txtEditObjectsVectorsMass"> <label class="classLblData" id="lblEditObjectsVectorDiameter">Diameter</label> <input class="classBtnUnit" id="btnEditObjectsVectorDiameterUnits" onclick="changeLengthUnitSmall('btnEditObjectsVectorDiameterUnits'); populateEditObjectsVectors(false)" type="button" value="(km)"> <input class="classTxtInput" id="txtEditObjectsVectorsDiameter"> <label class="classLblData" id="lblEditObjectsVectorLocation">Location (<i>x,y,z</i>)</label> <input class="classBtnUnit" id="btnEditObjectsVectorPositionUnits" onclick="changeLengthUnitLarge('btnEditObjectsVectorPositionUnits'); populateEditObjectsVectors(false)" type="button" value="(AU)"> <input class="classTxtInput" id="txtEditObjectsVectorsX"> <input class="classTxtInput" id="txtEditObjectsVectorsY"> <input class="classTxtInput" id="txtEditObjectsVectorsZ"> <label class="classLblData" id="lblEditObjectsVectorVelocity">Velocity (<i>x,y,z</i>)</label> <input class="classBtnUnit" id="btnEditObjectsVectorVelocityUnits" onclick="changeVelocityUnit('btnEditObjectsVectorVelocityUnits'); populateEditObjectsVectors(false)" type="button" value="(km/s)"> <input class="classTxtInput" id="txtEditObjectsVectorsVx"> <input class="classTxtInput" id="txtEditObjectsVectorsVy"> <input class="classTxtInput" id="txtEditObjectsVectorsVz"> <input class="classBtn" id="btnEditObjectsVectorsApply" onclick="editObjectsVectorsApply(); populateEditObjectsElements(false)" type="button" value="Apply"> <input class="classBtn" id="btnEditObjectsVectorsDelete" type="button" value="Delete"> </div> <div class="classControlDiv ui-draggable" id="divEditObjectsElements" style="left: 424px; top: 27px; visibility: hidden;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblEditObjectsElementsTitle">Edit objects -- orbital elements</label> <input class="classBtnClose" id="btnEditObjectsElementsClose" onclick="hideMe('divEditObjectsElements')" type="button" value="x"> <label class="classLblData" id="lblSelectTargetObjectEOE">Object</label> <select class="classSelect" id="selectTargetObjectEOE" onchange="populateEditObjectsElements(true)"><option value="1">Tau Ceti</option><option value="2">Tau Ceti b</option><option value="3">Tau Ceti c</option><option value="4">Tau Ceti d</option><option value="5">Tau Ceti e</option><option value="6">Tau Ceti f</option><option value="7">Tau Ceti g</option><option value="8">Tau Ceti h</option><option value="9">Doze-Planet</option><option value="10">Camera A</option><option value="11">Camera B</option></select> <label class="classLblData" id="lblSelectReferenceObjectEOE">Reference object</label> <select class="classSelect" id="selectReferenceObjectEOE" onchange="populateEditObjectsElements(false)"><option value="1">Tau Ceti</option><option value="2">Tau Ceti b</option><option value="3">Tau Ceti c</option><option value="4">Tau Ceti d</option><option value="5">Tau Ceti e</option><option value="6">Tau Ceti f</option><option value="7">Tau Ceti g</option><option value="8">Tau Ceti h</option><option value="9">Doze-Planet</option></select> <label class="classLblData" id="lblEOESelectName">Name</label> <input class="classTxtInput" id="txtEOEName" type="text"> <label class="classLblData" id="lblEditObjectsElementsColor">Color</label> <input class="color classTxtColor" id="txtEditObjectsElementsColor" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsElementsShadow">Shadow</label> <input class="color classTxtColor" id="txtEditObjectsElementsShadow" style="background-image: none; color: rgb(255, 255, 255); background-color: rgb(4, 4, 8);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsElementsLabel">Label</label> <input class="color classTxtColor" id="txtEditObjectsElementsLabel" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsElementsTrail">Trail</label> <input class="color classTxtColor" id="txtEditObjectsElementsTrail" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsElementsSubZ">Sub Z</label> <input class="color classTxtColor" id="txtEditObjectsElementsSubZ" style="background-image: none; color: rgb(255, 255, 255); background-color: rgb(42, 42, 85);" type="text" readonly="readonly" autocomplete="off"> <label class="classLblData" id="lblEditObjectsElementsMass">Mass</label> <input title="Earth masses" class="classBtnUnit" id="btnEditObjectsElementsMassUnits" onclick="changeMassUnit('btnEditObjectsElementsMassUnits'); populateEditObjectsElements(false)" type="button" value="(Em)"> <input class="classTxtInput" id="txtEditObjectsElementsMass"> <label class="classLblData" id="lblEditObjectsElementsDiameter">Diameter</label> <input class="classBtnUnit" id="btnEditObjectsElementsDiameterUnits" onclick="changeLengthUnitSmall('btnEditObjectsElementsDiameterUnits'); populateEditObjectsElements(false)" type="button" value="(km)"> <input class="classTxtInput" id="txtEditObjectsElementsDiameter"> <label class="classLblData" id="lblEditObjectsElementsLocation"><i>a, e, i</i></label> <input class="classBtnUnit" id="btnEditObjectsElementsPositionUnits" onclick="changeLengthUnitLarge('btnEditObjectsElementsPositionUnits'); populateEditObjectsElements(false)" type="button" value="(AU)"> <input class="classTxtInput" id="txtEditObjectsElementsX"> <input class="classTxtInput" id="txtEditObjectsElementsY"> <input class="classTxtInput" id="txtEditObjectsElementsZ"> <label class="classLblData" id="lblEditObjectsElementsVelocity"><i>Ω, ω, MA</i></label> <input class="classTxtInput" id="txtEditObjectsElementsVx"> <input class="classTxtInput" id="txtEditObjectsElementsVy"> <input class="classTxtInput" id="txtEditObjectsElementsVz"> <input class="classBtn" id="btnEditObjectsElementsApply" onclick="editObjectsElementsApply(); populateEditObjectsVectors(false)" type="button" value="Apply"> <input class="classBtn" id="btnEditObjectsElementsDelete" type="button" value="Delete"> </div> <div class="classControlDiv" id="divBigA"> <div class="ui-draggable" id="divHorizontal"> <div id="divZoomBar" onclick="clearInterval(sliderInterval[1]); var x = event.clientX; advanceSliderHorizontal(x,'divZoomBar','divZoom',1)"> <div title="Zoom" class="ui-draggable" id="divZoom" style="left: 115px;"></div> </div> <div id="divAzimuthBar" style="visibility: visible;" onclick="clearInterval(sliderInterval[2]); var x = event.clientX; advanceSliderHorizontal(x,'divAzimuthBar','divAzimuth',2)"> <div title="Azimuth" class="ui-draggable" id="divAzimuth" style="left: 66px;"></div> </div> <span class="classNewDiv" id="spanTo" style="display: block; text-align: center"> <label>Look at</label><br> <select class="classSelect" id="select1" onchange="selectTargetObjectA.selectedIndex = select1.selectedIndex; changeTargetObjectA(); changeBarycenterA();"><option value="1">Tau Ceti</option><option value="2">Tau Ceti b</option><option value="3">Tau Ceti c</option><option value="4">Tau Ceti d</option><option value="5">Tau Ceti e</option><option value="6">Tau Ceti f</option><option value="7">Tau Ceti g</option><option value="8">Tau Ceti h</option><option value="9">Doze-Planet</option><option value="10">Camera A</option><option value="11">Camera B</option></select><br> </span> <span class="classNewDiv" id="spanFrom" style=" display: block; text-align: center"> <label>Look from</label><br> <select class="classSelect" id="select2" onchange="selectCameraObjectA.selectedIndex = select2.selectedIndex;&#10;if (select2.selectedIndex == 3 ) {btnOptionCities.style.visibility = 'visible'; setTimeout(function(){btnOptionCities.style.visibility = 'hidden'}, 3000)}&#10;&#9;&#9;&#9;if (select2.selectedIndex == objects) {divAzimuthBar.style.visibility = 'visible'; divAltitudeBar.style.visibility = 'visible'; divDistanceBar.style.visibility = 'visible'} else {divAzimuthBar.style.visibility = 'hidden'; divAltitudeBar.style.visibility = 'hidden'; divDistanceBar.style.visibility = 'hidden'} changeCameraObjectA(); changeBarycenterA();"><option value="1">Tau Ceti</option><option value="2">Tau Ceti b</option><option value="3">Tau Ceti c</option><option value="4">Tau Ceti d</option><option value="5">Tau Ceti e</option><option value="6">Tau Ceti f</option><option value="7">Tau Ceti g</option><option value="8">Tau Ceti h</option><option value="9">Doze-Planet</option><option value="10">Camera A</option><option value="11">Camera B</option></select><br> <input class="classBtnOptions" id="btnOptionCities" style="visibility: hidden;" onclick="divCitiesA.style.visibility = 'visible'" type="button"> </span> <input class="classBtnPlayMedium" id="btnPlayMedium" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/pauseButton.png");' onclick="pause()" type="button"> <input class="classBtnPlayMedium" id="btnDirectionMedium" onclick="changeTimeFlow()" type="button"> <span class='classNewDiv"' id="spanView" style="display: block; text-align: left; font-size: 20px"> <input title="Heliocentric view" class="classBtnMacro" id="btnOptionHeliocentric" style="left: 0px; visibility: visible;" onclick="helioCentricView()" type="button"> <input title="Geocentric view" class="classBtnMacro" id="btnOptionGeocentric" style="left: 80px; visibility: visible;" onclick="geoCentricView()" type="button"> <input title="Sky view (asteroid size is exaggerated)" class="classBtnMacro" id="btnOptionSkyView" style="left: 160px; visibility: visible;" onclick="skyView()" type="button"> </span> </div> <div class="ui-draggable" id="divVertical"> <div id="divAltitudeBar" style="visibility: visible;" onclick="clearInterval(sliderInterval[3]); var y = event.clientY; advanceSliderVertical(y,'divAltitudeBar','divAltitude',3)"> <div title="Altitude" class="ui-draggable" id="divAltitude" style="top: 126px;"></div> </div> <div id="divDistanceBar" style="visibility: visible;" onclick="clearInterval(sliderInterval[4]); var y = event.clientY; advanceSliderVertical(y,'divDistanceBar','divDistance',4)"> <div title="Distance" class="ui-draggable" id="divDistance" style="top: 240px;"></div> </div> <span class="classNewDiv" id="spanNames" style=" display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lblNames" onclick="if (namesOn){divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; namesOn = false; checkLabelsCA.checked = false; checkLabelsA.checked = false} else {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';namesOn = true; checkLabelsCA.checked = true; checkLabelsA.checked = true; btnOptionNames.style.visibility = 'hidden'; setTimeout(function(){btnOptionNames.style.visibility = 'hidden'}, 3000);}">Names</label> <div class="divCheck" id="divCheckNames" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF");' onclick="if (namesOn){divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; namesOn = false; checkLabelsCA.checked = false; checkLabelsA.checked = false} else {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';namesOn = true; checkLabelsCA.checked = true; checkLabelsA.checked = true; btnOptionNames.style.visibility = 'hidden'; setTimeout(function(){btnOptionNames.style.visibility = 'hidden'}, 3000);}"></div> <input class="classBtnOptions" id="btnOptionNames" style="visibility: hidden;" type="button"> </span> <span class="classNewDiv" id="spanStars" style=" display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lblStars" onclick="if (starsOn){divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; starsOn = false; checkStarsA.checked = false} else {if (selectStars.selectedIndex == 0) {selectStars.selectedIndex = 1; loadStars();} divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';starsOn = true; checkStarsA.checked = true; btnOptionStars.style.visibility = 'visible'; setTimeout(function(){btnOptionStars.style.visibility = 'hidden'}, 3000);}">Stars</label> <div class="divCheck" id="divCheckStars" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF");' onclick="if (starsOn){divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; starsOn = false; checkStarsA.checked = false} else {if (selectStars.selectedIndex == 0) {selectStars.selectedIndex = 1; loadStars();} divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';starsOn = true; checkStarsA.checked = true; btnOptionStars.style.visibility = 'visible'; setTimeout(function(){btnOptionStars.style.visibility = 'hidden'}, 3000);}"></div> <input class="classBtnOptions" id="btnOptionStars" style="visibility: hidden;" onclick="divStars.style.visibility = 'visible'" type="button"> </span> <span class="classNewDiv" id="spanRF" style="display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lblRF" onclick="if (rotatingFrameOn){divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; rotatingFrameOn = false; selectTargetObjectRF.selectedIndex = 0; if (trailsOn){checkTrailsCA.click()}} else {if (!trailsOn){checkTrailsCA.click()} if (focusRF == 0) {focusRF = 4}; {selectTargetObjectRF.selectedIndex = 4}; selectTargetObjectRF.selectedIndex = focusRF; divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';rotatingFrameOn = true; btnOptionRF.style.visibility = 'visible'; setTimeout(function(){btnOptionRF.style.visibility = 'hidden'}, 3000);}">Rotating</label> <label class="classLblCheck" id="lblRF2" onclick="if (rotatingFrameOn){divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; rotatingFrameOn = false; selectTargetObjectRF.selectedIndex = 0; if (trailsOn){checkTrailsCA.click()}} else {if (!trailsOn){checkTrailsCA.click()} if (focusRF == 0) {focusRF = 4}; selectTargetObjectRF.selectedIndex = focusRF; divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';rotatingFrameOn = true; btnOptionRF.style.visibility = 'visible'; setTimeout(function(){btnOptionRF.style.visibility = 'hidden'}, 3000);}">frame</label> <div class="divCheck" id="divCheckRF" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF");' onclick="if (rotatingFrameOn){divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; rotatingFrameOn = false; selectTargetObjectRF.selectedIndex = 0; if (trailsOn){checkTrailsCA.click()}} else {if (!trailsOn){checkTrailsCA.click()} if (focusRF == 0) {focusRF = 4}; selectTargetObjectRF.selectedIndex = focusRF; divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';rotatingFrameOn = true; btnOptionRF.style.visibility = 'visible'; setTimeout(function(){btnOptionRF.style.visibility = 'hidden'}, 3000);}"></div> <input class="classBtnOptions" id="btnOptionRF" style="visibility: hidden;" onclick="divRotatingFrame.style.visibility = 'visible';" type="button"> </span> <span class="classNewDiv" id="spanAxes" style=" display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lblnAxes" onclick="if (axesOn){divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; axesOn = false; rotateCameraA();} else {divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';axesOn = true; btnOptionAxes.style.visibility = 'hidden'; rotateCameraA(); setTimeout(function(){btnOptionAxes.style.visibility = 'hidden'}, 3000);}">Axes</label> <div class="divCheck" id="divCheckAxes" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF");' onclick="if (axesOn){divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; axesOn = false; checkAxes.checked = false; perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); rotateCameraA();} else {divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';axesOn = true; checkAxes.checked = true; btnOptionAxes.style.visibility = 'hidden'; rotateCameraA(); setTimeout(function(){btnOptionAxes.style.visibility = 'hidden'}, 3000);}"></div> <input class="classBtnOptions" id="btnOptionAxes" style="visibility: hidden;" type="button"> </span> <span class="classNewDiv" id="span3d" style=" display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lbl3d" onclick="if (stereoOn){divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; stereoOn = false; checkStereoCA.checked = false} else {divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';stereoOn = true; checkStereoCA.checked = true; btnOption3d.style.visibility = 'visible'; setTimeout(function(){btnOption3d.style.visibility = 'hidden'}, 3000);} stereo();">3d</label> <div class="divCheck" id="divCheck3d" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF");' onclick="if (stereoOn){divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; stereoOn = false; checkStereoCA.checked = false} else {divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';stereoOn = true; checkStereoCA.checked = true; btnOption3d.style.visibility = 'visible'; setTimeout(function(){btnOption3d.style.visibility = 'hidden'}, 3000);} stereo();"></div> <input class="classBtnOptions" id="btnOption3d" style="visibility: hidden;" onclick="divStereo.style.visibility='visible'" type="button"> </span> <span class="classNewDiv" id="spanOrbits" style=" display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lblOrbits" onclick="if (orbitsOn){divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; orbitsOn = false; checkKeplerCA.checked = false; checkPreTrailsA.checked = false; perspectiveTrails2ClsA(); perspectiveTrails2ClsB();} else {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';orbitsOn = true; checkKeplerCA.checked = true; checkPreTrailsA.checked = true; btnOptionOrbits.style.visibility = 'visible'; setTimeout(function(){btnOptionOrbits.style.visibility = 'hidden'}, 3000);}">Orbits</label> <div class="divCheck" id="divCheckOrbits" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF");' onclick="if (orbitsOn){divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; orbitsOn = false; checkKeplerCA.checked = false; checkPreTrailsA.checked = false; perspectiveTrails2ClsA(); perspectiveTrails2ClsB();} else {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';orbitsOn = true; checkKeplerCA.checked = true; checkPreTrailsA.checked = true; btnOptionOrbits.style.visibility = 'visible'; setTimeout(function(){btnOptionOrbits.style.visibility = 'hidden'}, 3000);}"></div> <input class="classBtnOptions" id="btnOptionOrbits" style="visibility: hidden;" onclick="divPreTrailObjectList.style.visibility = 'visible'" type="button"> </span> <span class="classNewDiv" id="spanTrails" style=" display: block; text-align: left; font-size: 20px"> <label class="classLblCheck" id="lblTrails" onclick="if (trailsOn){divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; trailsOn = false; checkTrailsCA.checked = false; perspectiveTrailsClsA(); perspectiveTrailsClsB(); rotateCameraA();} else {divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';trailsOn = true; checkTrailsCA.checked = true; btnOptionTrails.style.visibility = 'hidden'; setTimeout(function(){btnOptionTrails.style.visibility = 'hidden'}, 3000);}">Trails</label> <div class="divCheck" id="divCheckTrails" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF");' onclick="perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); rotateCameraA(); if (trailsOn){divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; trailsOn = false; checkTrailsCA.checked = false;} else {divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';trailsOn = true; checkTrailsCA.checked = true; btnOptionTrails.style.visibility = 'hidden'; setTimeout(function(){btnOptionTrails.style.visibility = 'hidden'}, 3000);}"></div> <input class="classBtnOptions" id="btnOptionTrails" style="visibility: hidden;" type="button"> </span> </div> </div> <div class="classControlDiv ui-draggable" id="divTimeStep" style="visibility: hidden; left: 374px; top: 143px;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblTimeStepTitle">Time step</label> <input class="classBtn" id="btnPause" onclick="pause()" type="button" value="||"> <input class="classBtnSmall" id="btnTimeStepPlus" onclick="timeStepPlus()" type="button" value="+"> <span class="classTxtInput" id="spanTimeStep">128</span> <input class="classBtnSmall" id="btnTimeStepMinus" onclick="timeStepMinus()" type="button" value="-"> <input class="classBtnClose" id="btnTimeStepClose" onclick="hideMe('divTimeStep')" type="button" value="x"> <input class="classBtn" id="btnTimeDirection" onclick="changeTimeFlow()" type="button" value=">>"> </div> <div class="classControlDiv ui-draggable" id="divRotateCameraA" style="left: 127px; top: 143px; visibility: hidden;"> <label class="classControlTitle" id="lblRotateCameraATitle">Camera A</label> <input class="classBtnClose" id="btnRotateCameraAClose" onclick="hideMe('divRotateCameraA')" type="button" value="x"> <input class="slider" id="rangeRotateCameraA" onchange="rotateCameraA()" type="range" min="0" max="6.2830" step="0.001" value="0"> <input class="classTxtInput" id="txtRotateCameraA" type="text" value="-999"> <label title="Degrees" class="classLblData" id="lblRotateCameraA">Azimuth</label> <input class="slider" id="rangeRotateCameraZ" onchange="rotateCameraA()" type="range" min="0.0175" max="3.124" step="0.001" value="0"> <input class="classTxtInput" id="txtRotateCameraZ" type="text" value="-888"> <label title="Degrees" class="classLblData" id="lblRotateCameraZ">Altitude</label> <input class="slider" id="rangeRotateCameraD" onchange="rotateCameraA()" type="range" min="6" max="100" step="0.1" value="0"> <input class="classTxtInput" id="txtRotateCameraD" type="text" value="-999"> <label title="AU" class="classLblData" id="lblRotateCameraD">Distance</label> <input name="checkAxes" id="checkAxes" onclick="perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); if (checkAxes.checked) {axesOn = true} else {axesOn = false}; if (axesOn){divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; axesOn = true; btnOptionAxes.style.visibility = 'hidden'; setTimeout(function(){btnOptionAxes.style.visibility = 'hidden'}, 3000);} else {divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)';axesOn = false;}" type="checkbox"> <label title="x, y axes" class="classLblData" id="lblAxes" for="checkAxes">Axes</label> <input name="checkStereoCA" id="checkStereoCA" onclick="stereo(); if (checkStereoCA.checked) {divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; stereoOn = true} else {divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; stereoOn = false}" type="checkbox"> <label title="Stereo. Press Q for more options." class="classLblData" id="lblStereoCA" for="checkStereoCA">3d</label> <input name="checkKeplerCA" id="checkKeplerCA" onclick="perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); checkPreTrailsA.checked = checkKeplerCA.checked; checkPreTrailsB.checked = checkKeplerCA.checked; if (checkKeplerCA.checked) {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; orbitsOn = true} else {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; orbitsOn = false}" type="checkbox"> <label title="Superimpose Keplerian orbit" class="classLblData" id="lblKeplerCA" for="checkKeplerCA">Orbits</label> <input name="checkTrailsCA" id="checkTrailsCA" onclick="perspectiveTrailsClsA(); perspectiveTrailsClsB(); rotateCameraA(); if (checkTrailsCA.checked) {divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; trailsOn = true} else {divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; trailsOn = false}" type="checkbox"> <label title="Create trails" class="classLblData" id="lblTrailsCA" for="checkTrailsCA">Trails</label> <input name="checkLabelsCA" id="checkLabelsCA" onclick="checkLabelsA.checked = checkLabelsCA.checked; checkLabelsB.checked = checkLabelsCA.checked; if (checkLabelsCA.checked) {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; namesOn = true;} else {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; namesOn = false;}" type="checkbox"> <label title="Labels" class="classLblData" id="lblLabelsCA" for="checkLabelsCA">Names</label> </div> <div class="classControlDiv" id="divDistanceAndSpeedA" onmouseover="hideAllMenuButtons()" ui-draggable"=""> <label class="classControlTitle" id="lblDistanceAndSpeedATitle">Distance and speed</label> <label class="classControlTitle" id="lblCalendarLocalTitle">Local time</label> <select class="classSelect" id="selectTargetObjectDSa"></select> <select class="classSelect" id="selectTargetObjectDSa"></select> <label class="classLblData" id="lblDSaDistanceA"> <label class="classLblData" id="lblDSaSpeedA"> <label class="classLblData" id="lblDStangentialA"> <label class="classLblData" id="lblDSradialA"> </label></label></label></label></div> <div class="classControlDiv ui-draggable" id="divCalendarDate" style="visibility: hidden; left: 946px; top: 4px;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblCalendarLocalTitle">Local time</label> <span class="classLblData" id="spanCalendarDate">Tue Oct 13 2026 00:13:20 GMT+0200 (Mitteleuropäische Sommerzeit)</span> <input class="classBtnClose" id="btnCalendarDateClose" onclick="hideMe('divCalendarDate')" type="button" value="x"> </div> <div class="classControlDiv ui-draggable" id="divCalendarDateUTC" style="visibility: hidden; left: 695px; top: 4px;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblCalendarUTC">Coordinated Universal Time</label> <span class="classLblData" id="spanCalendarDateUTC">Mon Oct 12 2026 22:13:20 (UTC)</span> <input class="classBtnClose" id="btnCalendarDateUTCClose" onclick="hideMe('divCalendarDateUTC')" type="button" value="x"> </div> <div class="classControlDiv ui-draggable" id="divJulianDate" style="visibility: hidden; left: 946px; top: 75px;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblJulianDateTitle">Julian Day</label> <span class="classLblData" id="spanJulianDate">2461326.425925926</span> <input class="classBtnClose" id="btnJulianDateClose" onclick="hideMe('divJulianDate')" type="button" value="x"> </div> <div class="classControlDiv ui-draggable" id="divSaveAs" style="left: 382px; top: 45px; visibility: hidden;" onmouseover="hideAllMenuButtons()"> <label class="classControlTitle" id="lblSaveAsTitle">Save as</label> <input class="classBtnClose" id="btnSaveAsClose" onclick="hideMe('divSaveAs')" type="button" value="x"> <label class="classLblData" id="lblSaveAsFileName">Simulation name:</label> <input class="classTxtInput" id="txtSaveAsFileName" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"> <label class="classLblData" id="lblSaveAsKeywords">Keywords (optional)</label> <input class="classTxtInput" id="txtSaveAsKeywords" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"> <label class="classLblData" id="lblSaveAsDescription">Description (optional)</label> <textarea id="txtAreaSaveAsDescription" onkeydown="userTyping(true)" onkeyup="userTyping(false)"></textarea> <label class="classLblData" id="lblSaveAsAuthor">Author (optional)</label> <input class="classTxtInput" id="txtSaveAsAuthor" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"> <input id="checkSaveAsShare" onchange="if (checkSaveAsShare.checked) {checkSaveAsTempLink.checked = true}" type="checkbox"> <label class="classLblData" id="lblSaveAsShare" for="checkSaveAsShare">Share on orbitsimulator.com</label> <input id="checkSaveAsTempLink" onchange="if (checkSaveAsShare.checked) {checkSaveAsTempLink.checked = true}" type="checkbox" checked=""> <label class="classLblData" id="lblSaveAsTempLink" for="checkSaveAsShare">Create temporary link</label> <label class="classLblData" id="lblSaveAsAddress">Your simulation is here:</label> <span id="spanSimURL"></span> <label class="classLblData" id="lblSaveAsSourceCode">Source code:</label> <textarea id="txtAreaSaveAs" onkeydown="userTyping(true)" onkeyup="userTyping(false)">&lt;!DOCTYPE html&gt; &lt;html id ='htmlAll'&gt; &lt;head&gt; &lt;title&gt;Tau Ceti Doze&lt;/title&gt; &lt;meta name = 'keywords' content = "Dozeplanet"&gt; &lt;meta name = 'description' content = ""&gt; &lt;meta name = 'author' content = 'Tony Dunn, Hermann Bossi'&gt; &lt;meta http-equiv="content-type" content="text/html; charset = UTF-8"&gt; &lt;link href="http://orbitsimulator.com/gravitySimulatorCloud/jquery-ui.css" rel="stylesheet"&gt; &lt;script src="http://orbitsimulator.com/gravitySimulatorCloud/asterismNames6_8_17.js"&gt;&lt;/script&gt; &lt;script src="http://orbitsimulator.com/gravitySimulatorCloud/jquery-1.9.1.js"&gt; &lt;/script&gt; &lt;script src="http://orbitsimulator.com/gravitySimulatorCloud/jquery-ui.js"&gt; &lt;/script&gt; &lt;script src="http://orbitsimulator.com/gravitySimulatorCloud/jquery.ui.touch-punch.min2.js"&gt; &lt;/script&gt; &lt;script src="http://orbitsimulator.com/gravitySimulatorCloud/kbo.js"&gt; &lt;/script&gt; &lt;script src="http://orbitsimulator.com/gravitySimulatorCloud/synthetic.js"&gt; &lt;/script&gt; &lt;script id="scriptStars" src="http://orbitsimulator.com/gravitySimulatorCloud/noStars.js"&gt; &lt;/script&gt; &lt;script src="http://orbitsimulator.com/gravitySimulatorCloud/citiesLatLon.js"&gt; &lt;/script&gt; &lt;script src="http://orbitsimulator.com/gravitySimulatorCloud/jscolor.js"&gt; &lt;/script&gt; &lt;script src="http://orbitsimulator.com/gravitySimulatorCloud/constellations6_8_17.js"&gt;&lt;/script&gt; &lt;script&gt; btndescout = new Image;btndescover= new Image;btndescout.src = "http://orbitsimulator.com/gravity/articles/descorange.GIF";btndescover.src = "http://orbitsimulator.com/gravity/articles/descyellow.GIF"; btndownout = new Image;btndownover= new Image;btndownout.src = "http://orbitsimulator.com/gravity/articles/downorange.GIF";btndownover.src = "http://orbitsimulator.com/gravity/articles/downyellow.GIF"; btnsimuout = new Image;btnsimuover= new Image;btnsimuout.src = "http://orbitsimulator.com/gravity/articles/simuorange.GIF";btnsimuover.src = "http://orbitsimulator.com/gravity/articles/simuyellow.GIF"; 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top: 440px; left: 1px; width: 150px} #lblEditObjectsElementsVelocity {position: absolute; top: 485px; left: 1px; width: 120px} #txtEditObjectsElementsVx {position: absolute; top: 500px; left: 1px; width: 150px} #txtEditObjectsElementsVy {position: absolute; top: 520px; left: 1px; width: 150px} #txtEditObjectsElementsVz {position: absolute; top: 540px; left: 1px; width: 150px} #btnEditObjectsElementsApply {position: absolute; top: 580px; left: 1px} #btnEditObjectsElementsDelete {position: absolute; top: 580px; left: 85px} #divStars {top:30px; left: 260px; height: 360px; visibility: hidden;} #lblStarsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnStarsClose {position: absolute;} #lblSelectStars {position: absolute; top: 30px; left: 1px} #selectStars {position: absolute; top: 45px; left: 1 px; z-index: 2} #lblStarBrightness{position: absolute; top: 75px; left: 1px} #txtStarBrightness{position: absolute; top: 90px; left: 1px} #hrStars{position: absolute; top: 120px; width: 100%} #checkRaDec {position: absolute; top: 140px; left: 3px; z-index: 2} #lblRaDec {position: absolute; top: 143px; left: 24px; width: 90px; z-index: 2;} #checkConstellationBoundaries {position: absolute; top: 140px; left: 110px; z-index: 2} #lblBoundaries {position: absolute; top: 143px; left: 131px; width: 90px; z-index: 2;} #lblGridBrightness {position: absolute; top: 163px; left:1px;} #txtGridBrightness {position: absolute; top: 178px; left: 1px} #lblRaSpacing {position: absolute; top: 208px; left: 1px} #txtRaSpacing {position: absolute; top: 223px; left: 1px} #lblDecSpacing {position: absolute; top: 253px; left: 1px} #txtDecSpacing {position: absolute; top: 268px; left: 1px} #lblGridColor {position: absolute; top: 298px; left: 1px} #txtGridColor {position: absolute; top: 313px; left: 1px} #divRotatingFrame {top:30px; left: 260px; height: 160px; visibility: hidden;} #lblRotatingFrameTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnRotatingFrameClose {position: absolute;} #lblTargetObjectRF {position: absolute; top: 20px; left: 0px; z-index: 2;} #lblReferenceObjectRF {position: absolute; top: 70px; left: 0px; z-index: 2;} #selectReferenceObjectRF {position: absolute; top: 90px; left: 0px; z-index: 2;} #lblLongitudeRF {position: absolute; top: 120px; left: 0px; z-index: 2; visibility: hidden;} #lblAltitudeRF {position: absolute; top: 170px; left: 0px; z-index: 2; visibility: hidden} #txtAltitudeRF {position: absolute; top: 190px; left: 3px; width: 160px; visibility: hidden;} #lblDistanceRF {position: absolute; top: 220px; left: 0px; z-index: 2; visibility: hidden;} #txtDistanceRF {position: absolute; top: 240px; left: 3px; width: 160px; visibility: hidden;} #checkRF {position: absolute; top: 270px; left: 3px; z-index: 2; visibility: hidden;} #divLargerPlayButton {position: fixed; top: 0px; left: 0px; visibility: hidden; z-index: 2} #btnLargerPlayButton{position: absolute; top: 300px; background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/playButton.png'); z-index: 3;} #btnCreatePreTrails {position: absolute; top: 210px; left: 20px} #divCitiesA{top: 30px; left:500px; height: 200px; visibility: hidden} #lblCitiesTitleA {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnCitiesCloseA {position: absolute} #selectCitiesA {position: absolute; top: 40px; left: 0px; z-index: 2} #lblLatitudeCitiesA {position: absolute; top: 85px; left: 0px; z-index: 2} #txtLatitudeCitiesA {position: absolute; top: 105px; left: 0px; z-index: 2} #lblLongitudeCitiesA {position: absolute; top: 140px; left: 0px; z-index: 2} #txtLongitudeCitiesA {position: absolute; top: 165px; left: 0px; z-index: 2} #divCitiesB{top: 30px; left:500px; height: 200px; visibility: hidden} #lblCitiesTitleB {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnCitiesCloseB {position: absolute} #selectCitiesB {position: absolute; top: 40px; left: 0px; z-index: 2} #lblLatitudeCitiesB {position: absolute; top: 85px; left: 0px; z-index: 2} #txtLatitudeCitiesB {position: absolute; top: 105px; left: 0px; z-index: 2} #lblLongitudeCitiesB {position: absolute; top: 140px; left: 0px; z-index: 2} #txtLongitudeCitiesB {position: absolute; top: 165px; left: 0px; z-index: 2} #divToFromA {top:30px; left: 260px; height: 490px; visibility: hidden} #lblToFromATitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnToFromAClose {position: absolute;} #lblTargetObjectA {position: absolute; top: 20px; left: 0px; z-index: 2;} #selectTargetObjectA {position: absolute; top: 40px; left: 0px; z-index: 2;} #lblCameraObjectA {position: absolute; top: 70px; left: 0px; z-index: 2;} #selectCameraObjectA {position: absolute; top: 90px; left: 0px; z-index: 2;} #spanBarycenterCheckBoxA {position: absolute; top: 120px; left: 0px; width: 90px; z-index: 2;} #checkBarycenterPerspectiveA {position: absolute; top: 120px; left: 100px; z-index: 2;} #lblMinimumObjectSizeA {position: absolute; top: 150px; left: 0px; z-index: 2;} #txtMinimumObjectSizeA {position: absolute; top: 170px; left: 0px; z-index: 2;} #lblTrailSizeA {position: absolute; top: 200px; left: 0px; z-index: 2;} #txtTrailSizeA {position: absolute; top: 220px; left: 0px; z-index: 2} #lblZoomA {position: absolute; top:246px; left: 0px; z-index:2} #pZoomInA {position: absolute; top: 270px; left: 0px; z-index:2} #txtFOVa {position: absolute; top:270px; left: 30px; z-index:2} #pZoomOutA {position: absolute; top: 270px; left: 180px; z-index:2} #checkStarsA {position: absolute; top: 310px; left: 0px; z-index: 2;} #lblStarsA {position: absolute; top: 310px; left: 20px; width: 90px; z-index: 2;} #checkStarsLabelsA {position: absolute; top: 335px; left: 0px; z-index: 2;} #checkStarsProperA {position: absolute; top: 335px; left: 20px; z-index: 2;} #lblStarsLabelsA {position: absolute; top: 335px; left: 40px; width: 90px; z-index: 2;} #checkKBOsA {position: absolute; top: 360px; left: 0px; z-index: 2;} #lblKBOsA {position: absolute; top: 360px; left: 20px; width: 90px; z-index: 2;} #checkPreTrailsA {position: absolute; top: 385px; left: 0px; z-index: 2;} #lblPreTrailsA {position: absolute; top: 385px; left: 20px; width: 90px; z-index: 2;} #checkCrescentsA {position: absolute; top: 410px; left: 0px; z-index: 2;} #lblCrescentsA {position: absolute; top: 410px; left: 20px; width: 90px; z-index: 2;} #checkSunGraphicA {position: absolute; top: 435px; left: 0px; z-index: 2;} #lblSunGraphicA {position: absolute; top: 435px; left: 20px; width: 90px; z-index: 2;} #checkLabelsA {position: absolute; top: 460px; left: 0px;} #lblLabelsA {position: absolute; top: 460px; left: 20px} #txtFontA {position: absolute; top: 460px; left: 80px;} #divToFromB {top:330px; left: 260px; height: 294px; visibility: hidden;} #lblToFromBTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnToFromBClose {position: absolute;} #lblTargetObjectB{position: absolute; top: 20px; left: 0px; z-index: 2;} #selectTargetObjectB {position: absolute; top: 40px; left: 0px; z-index: 2;} #lblCameraObjectB {position: absolute; top: 70px; left: 0px; z-index: 2;} #selectCameraObjectB {position: absolute; top: 90px; left: 0px; z-index: 2;} #spanBarycenterCheckBoxB {position: absolute; top: 120px; left: 0px; width: 90px; z-index: 2;} #checkBarycenterPerspectiveB {position: absolute; top: 120px; left: 100px; z-index: 2;} #lblMinimumObjectSizeB {position: absolute; top: 150px; left: 0px; z-index: 2;} #txtMinimumObjectSizeB {position: absolute; top: 170px; left: 0px; z-index: 2;} #lblTrailSizeB {position: absolute; top: 200px; left: 0px; z-index: 2;} #txtTrailSizeB {position: absolute; top: 220px; left: 0px; z-index: 2} #lblZoomB {position: absolute; top:246px; left: 0px; z-index:2} #pZoomInB {position: absolute; top: 270px; left: 0px; z-index:2} #txtFOVb {position: absolute; top:270px; left: 30px; z-index:2} #pZoomOutB {position: absolute; top: 270px; left: 180px; z-index:2} #checkStarsB {position: absolute; top: 310px; left: 0px; z-index: 2;} #lblStarsB {position: absolute; top: 310px; left: 20px; width: 90px; z-index: 2;} #checkStarsLabelsB {position: absolute; top: 335px; left: 0px; z-index: 2;} #lblStarsLabelsB {position: absolute; top: 335px; left: 20px; width: 90px; z-index: 2;} #checkKBOsB {position: absolute; top: 360px; left: 0px; z-index: 2;} #lblKBOsB {position: absolute; top: 360px; left: 20px; width: 90px; z-index: 2;} #checkPreTrailsB {position: absolute; top: 385px; left: 0px; z-index: 2;} #lblPreTrailsB {position: absolute; top: 385px; left: 20px; width: 90px; z-index: 2;} #checkCrescentsB {position: absolute; top: 410px; left: 0px; z-index: 2;} #lblCrescentsB {position: absolute; top: 410px; left: 20px; width: 90px; z-index: 2;} #checkSunGraphicB {position: absolute; top: 435px; left: 0px; z-index: 2;} #lblSunGraphicB {position: absolute; top: 435px; left: 20px; width: 90px; z-index: 2;} #checkLabelsB {position: absolute; top: 460px; left: 0px;} #lblLabelsB {position: absolute; top: 460px; left: 20px} #txtFontB {position: absolute; top: 460px; left: 80px;} #divScreenShotImage {top:200px; left: 600px; width: 300px; height: 200px; visibility: hidden;} #lblScreenShotImageTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnScreenShotImageClose {position: absolute; left: 275px; z-index: 2} #imgScreenShotImage {position: absolute; top: 0px; left: 0px; width: 298px; height: 198px} #divOutputFile {top:200px; left: 600px; width: 300px; height: 200px; visibility: hidden;} #checkCreateDataFile{} #lblSampleEvery{} #txtSampleEvery{} #lblMaxDataSamples{} #txtMaxDataSamples{} #checkDataSma{} #checkDataEcc{} #checkDataInc{} #checkDataNode{} #checkDataPeri{} #checkDataMa{} #checkDataRx{} #checkDataRy{} #checkDataRz{} #checkDataVx{} #checkDataVy{} #checkDataVz{} #selectDataObjects{} #divQuickHelp {top:200px; left: 600px; width: 200px; height: 300px; visibility: hidden} #lblQuickHelpTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnQuickHelpClose {position: absolute; left: 180px} #txtAreaQuickHelp {position: absolute; top: 20px; left: 1px; width: 198px; height: 298px} #divAPsingleEvents {top:200px; left: 600px; width: 400px; height: 370px; visibility: hidden;} #lblAPsingleEventsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnAPsingleEventsClose {position: absolute; left: 380px} #txtAreaAPsingleEvents {position: absolute; top: 20px; left: 1px; width: 398px; height: 300px} #btnAPsingleEventsUpdate {position: absolute; top: 340px; left: 1px} #divAPnow {top:200px; left: 600px; width: 400px; height: 370px; visibility: hidden;} #lblAPnowTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnAPnowClose {position: absolute; left: 380px} #txtAreaAPnow {position: absolute; top: 20px; left: 1px; width: 398px; height: 300px} #btnAPnowUpdate {position: absolute; top: 340px; left: 1px} #divAPperIteration {top:200px; left: 600px; width: 400px; height: 370px; visibility: hidden;} #lblAPperIterationTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnAPperIterationClose {position: absolute; left: 380px} #txtAreaAPperIteration {position: absolute; top: 20px; left: 1px; width: 398px; height: 300px} #btnAPperIterationUpdate {position: absolute; top: 340px; left: 1px} #divAPperGraphicUpdate {top:200px; left: 600px; width: 400px; height: 370px; visibility: hidden;} #lblAPperGraphicUpdateTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnAPperGraphicUpdateClose {position: absolute; left: 380px} #txtAreaAPperGraphicUpdate {position: absolute; top: 20px; left: 1px; width: 398px; height: 300px} #btnAPperGraphicUpdateUpdate {position: absolute; top: 340px; left: 1px} #divScreenShots {top:200px; left: 600px; height: 560px; visibility: hidden;} #lblScreenShotsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnScreenShotsClose {position: absolute;} #btnTakeScreenShots {position: absolute; top: 28px; left: 0px;} #lblScreenShotsDimensions {position: absolute; top: 108px; left: 0px} #txtScreenShotDimensions {position: absolute; top: 128px; left: 0px} #checkScreenShotsCls{position: absolute; top:158px; left: 0px} #lblScreenShotsCls{position: absolute; top: 158px; left: 25px} #checkScreenShotsAforeground{position: absolute; top: 188px; left: 0px;} #lblscreenShotsAforeground{position: absolute; top: 188px; left: 25px;} #checkScreenShotsAbackground{position: absolute; top: 218px; left: 0px;} #lblscreenShotsAbackground{position: absolute; top: 218px; left: 25px;} #lblScreenShotsAposition {position: absolute; top: 248px; left: 0px} #txtScreenShotsAposition {position: absolute; top: 268px; left: 0px} #checkScreenShotsBforeground{position: absolute; top: 298px; left: 0px;} #lblscreenShotsBforeground{position: absolute; top: 298px; left: 25px;} #checkScreenShotsBbackground{position: absolute; top: 328px; left: 0px;} #lblscreenShotsBbackground{position: absolute; top: 328px; left: 25px;} #lblScreenShotsBposition {position: absolute; top: 358px; left: 0px} #txtScreenShotsBposition {position: absolute; top: 378px; left: 0px} #lblScreenShotData {position: absolute; top:408px; left: 0px} #divPreferences {top:20px; left: 100px; height: 360px; visibility: hidden} #lblPreferencesTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnPreferencesClose {position: absolute;} #lblDoEvents {position: absolute; top: 28px; left: 0px} #txtDoEvents {position: absolute; top: 48px; left: 0px} #lblSelectIntegrator {position: absolute; top: 85px; left: 0px;} #selectIntegrator {position: absolute; top: 105px; left: 0px; z-index: 2;} #lblStepsPerRadian {position: absolute; top: 135px; left: 0px;} #txtStepsPerRadian {position: absolute; top: 165px; left: 0px;} #lblEventsDuration {position: absolute; top: 200px; left: 0px} #txtEventsDuration {position: absolute; top: 220px; left: 0px} #lblOpacity {position: absolute; top: 255px; left: 0px} #txtOpacity {position: absolute; top: 270px; left: 0px} #checkMedia {position: absolute; top: 300px; left: 1px} #lblMedia {position: absolute; top: 300px; left: 20px} #checkRealTime {position: absolute; top: 330px; left: 1px} #lblRealTime {position: absolute; top: 330px; left: 20px} #divCollisionLog {top:20px; left: 100px; height: 75px; width: 580px; visibility: hidden} #lblCollisionLogTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnCollisionLogClose {position: absolute; left: 558px} #txtAreaCollisionLog {position: absolute; top: 20px; left: 1px; width: 578px; height: 54px;} #divSimulationDescription {top:20px; left: 150px; height: 75px; width: 580px; visibility: hidden} #lblSimulationDescriptionTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnSimulationDescriptionClose {position: absolute; left: 558px} #txtAreaSimulationDescription {position: absolute; top: 20px; left: 1px; width: 578px; height: 54px;} #divScreens {position: fixed; z-index: 2; top:200px; left: 600px; width: 250px; height: 40px; opacity: 0.8; background-color: #111111; border: none; visibility: hidden;} #divEccentricity {position: absolute; z-index: 2; top:10px; left: 555px; width: 250px; height: 40px; opacity: 0.8; background-color: #111111; border: none; visibility: hidden;} #divSMA {position: absolute; z-index: 2; top:60px; left: 555px; width: 250px; height: 40px; opacity: 0.8; background-color: #111111; border: none; visibility: hidden;} #divVectors {top:30px; left: 350px; width: 170px; height: 420px; visibility: hidden;} #lblVectorsTitle{position: absolute; top: 0px; left: 0px; z-index: 2;} #btnVectorsClose {position: absolute; left: 150px} #selectvectorObj1A {position: absolute; top: 25px; left: 1px; z-index: 2} #selectvectorObj2A {position: absolute; top: 45px; left: 1px; z-index: 2} #btnPositionUnits {position: absolute; top: 75px; left: 1px; width: 150px} #txtObjx {position: absolute; top:95px; left: 1px} #txtObjy {position: absolute; top:115px; left: 1px} #txtObjz {position: absolute; top:135px; left: 1px} #btnVelocityUnits {position: absolute; top:165px; left: 1px; width: 150px} #txtObjvx {position: absolute; top:185px; left: 1px} #txtObjvy {position: absolute; top: 205px; left: 1px} #txtObjvz {position: absolute; top: 225px; left: 1px} #lblDistanceAndSpeed {position: absolute; top:255px; left: 1px; color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif} #txtDistance{position: absolute; top: 280px; left: 1px} #txtSpeed{position: absolute; top: 300px; left: 1px} #spanTangentialSpeedVectors {position: absolute; top: 330px; left: 1px; color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif} #lblTangentialSpeedVectors {position: absolute; top: 355px; left: 1px} #spanRadialVelocityVectors {position: absolute; top: 380px; left: 1px; color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif} #lblRadialVelocityVectors {position: absolute; top: 400px; left: 1px} #divFocusObject {position: fixed; z-index: 2; top:680px; left: 20px; width: 250px; height: 40px; opacity: 0.8; background-color: #111111; border: none; visibility: hidden;} #divCreateObjects {top:200px; left: 600px; width: 650px; height: 460px; visibility: hidden;} #lblCreateObjectsTitle{position: absolute; top: 0px; left: 0px; width: 650px; z-index: 2;} #btnCreateObjectsClose {position: absolute; left: 630px} #tblCreateObjects {position: absolute; left: 0px; top: 30px} #btnCreateObjects {position: absolute; left: 0px; top: 430px; z-index: 3;} #divClones {top: 200px; left:300px; height: 450px; width: 920px; visibility: hidden} #lblClonesTitle{position: absolute; top: 0px; left: 0px; z-index: 2;} #btnClonesClose {position: absolute; left: 900px} #lblClonesPaste {position: absolute; top: 30px; left: 0px;} #txtClonesPaste {position: absolute; top: 50px; left: 0px;} #btnClonesPaste {position: absolute; top: 75px; left: 0px;} #tableCloneElements {position: absolute; top: 105px; left: 0px;} #tableCloneCovarianceMatrix {position: absolute; top: 225px; left: 0px;} #btnCreateClones {position: absolute; top: 405px; left: 0px;} #divSaveAs {top:200px; left: 600px; height: 698px; visibility: hidden} #lblSaveAsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #lblSaveAsFileName {position: absolute; top: 25px; left: 0px; z-index: 2;} #txtSaveAsFileName {position: absolute; top: 45px; left: 0px; z-index: 2;} #lblSaveAsKeywords {position: absolute; top: 75px; left: 0px; z-index: 2;} #txtSaveAsKeywords {position: absolute; top: 95px; left: 0px; z-index: 2;} #lblSaveAsDescription {position: absolute; top: 125px; left: 0px; z-index: 2;} #txtAreaSaveAsDescription {position: absolute; top: 145px; left: 0px; width: 240px; height: 200px; z-index: 2;} #lblSaveAsAuthor {position: absolute; top: 365px; left: 0px; z-index: 2;} #txtSaveAsAuthor {position: absolute; top: 385px; left: 0px; z-index: 2;} #lblSaveAsTempLink {position: absolute; top: 415px; left: 20px; z-index: 2;} #checkSaveAsTempLink {position: absolute; top: 415px; left: 0px; z-index: 2;} #lblSaveAsShare {position: absolute; top: 435px; left: 20px; z-index: 2;} #checkSaveAsShare {position: absolute; top: 434px; left: 0px; z-index: 2;} #btnSaveAs {position: absolute; top: 465px; left: 0px; z-index: 2;} #lblSaveAsAddress {position: absolute; top: 495px; left: 0px; z-index: 2;} #spanSimURL {position: absolute; top: 515px; left: 0px; width: 245px; height: 60px z-index: 2;} //#btnSaveAsNavigateTo {position: absolute; top:515px; left: 0px; z-index: 3;} #lblSaveAsSourceCode {position: absolute; top: 595px; left: 0px; z-index: 2;} #txtAreaSaveAs {position: absolute; top:615px; left: 0px; width: 245px; height: 80px; z-index: 2;} #btnSaveAsClose {position: absolute} #divImportObjectsLite {top:210px; left: 600px; height: 110px; visibility: hidden} #lblImportObjectsLiteTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnImportObjectsLiteClose {position: absolute} #txtImportObjectsLite {position: absolute; top: 30px; left: 1px; width: 150px} #btnImportObjectsLite {position: absolute; top: 55px; left: 1px} #lblImportObjectsLite {position: absolute; top: 80px; left: 1px} #txtImportColor {position: absolute; top: 30px; left: 160px; width: 60px} #divImportObjects {top:210px; left: 600px; width: 355px; height: 560px; visibility: hidden} #lblImportObjectsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnImportObjectsClose {position: absolute; left: 334px} #checkDeleteExistingObjects{position: absolute; left: 1px; top: 35px} #lblDeleteExistingObjects {position: absolute; left: 25px; top: 28px; width: 100px;} #lblImportSetTimeDateAndTime {position: absolute; top: 30px; left: 130px; width: 165px;} #txtImportSetDateAndTime {position: absolute; top: 45px; left: 130px; width: 165px;} #btnImportNow {position: absolute; top: 45px; left:300px} #divImportButtons {position: absolute; top: 80px; left: 1px: height: 100px} #txtAreaObjects {position: absolute; width: 350px; height: 300px; top: 215px} #btnImportObjects{position: absolute; top: 530px} #divDeleteObjects {top:200px; left: 600px; height: 500px; visibility: hidden} #lblDeleteObjectsTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnDeleteObjectsClose {position: absolute} #divDeleteList{position: absolute; top: 20px; left: 0px; width: 100%; height: 440px; overflow: scroll} #btnDeleteList{position: absolute; top: 466px; left: 1px;} #btnDeleteExistingObjects{position: absolute; top: 466px; left: 125px} #divPreTrailObjectList {top:200px; left: 600px; height: 500px; visibility: hidden} #lblPreTrailObjectListTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #divPTOList{position: absolute; top: 20px; left: 0px; width: 100%; height: 440px; overflow: scroll} #btnPreTrailObject{position: absolute; top: 466px;} #btnPreTrailObjectListClose {position: absolute} .classNewDiv {color: cyan; background-color: Transparent; font-family: 'Lucida Console', Monaco, monospace; font-size: 12px; z-index: 2; border: none; opacity:0.8} .classNewDivButton {width: 30px; height: 30px; border-radius: 6px;} .classBtnOptions { z-index: 3; position: absolute; top: 0px; left: 115px; width: 35px; height: 35px; background-repeat:no-repeat; -webkit-border-radius: 12px; -moz-border-radius: 12px; border-radius: 12px; -webkit-border-radius: 12px; -moz-border-radius: 12px; background: transparent; //opacity: 0.8; background-color: #000020; color: green; border-color: #3b8e92; background-size: 32px; background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/gearImg.png"); visibility: hidden; } .classBtnMacro { z-index: 3; position: absolute; top: 0px; left: 115px; width: 73px; height: 73px; background-repeat:no-repeat; -webkit-border-radius: 12px; -moz-border-radius: 12px; border-radius: 12px; -webkit-border-radius: 12px; -moz-border-radius: 12px; background: transparent; //opacity: 0.8; background-color: #000020; color: green; border-color: #3b8e92; //background-size: 32px; } .divCheck {position: absolute; top:0px; left:75px; width: 35px; height: 35px; cursor:pointer; background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF");} .classLblCheck {position: absolute; top: 7px; left: 0px;} .btnCheck {position: absolute; top: 0px; left: 0px;} #btnOptionHeliocentric {background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/sunIcon2.GIF')} #btnOptionGeocentric {background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/earthIcon2.GIF');} #btnOptionSkyView {background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/skyIcon2.GIF');} #divBigA {position: absolute; top: 20px; left: 0px; width: 1px; height: 1px; border-style: none;} #divHorizontal {position: absolute; top: 20px; left: 110px; height: 12px; width: 812px;} #divZoomBar {background-color: #000055; position: absolute; left:0px; top:0px; width:300px; height:30px; border-radius: 25px;} #divZoom{background-image: linear-gradient(blue 0%, cyan 98%); position: absolute; width: 60px; height: 30px; top: 0px; border-radius: 25px;} #divAzimuthBar {background-color: #000055; position: absolute; left: 0px; top:40px; width: 300px; height:30px; border-radius: 25px} #divAzimuth {background-image: linear-gradient(blue 0%, cyan 98%); position: absolute; width: 60px; height: 30px; top: 0px; border-radius: 25px;} #divPlayPause {position: absolute; top: 150px; height: 100px; width: 100px} #divVertical {position: absolute; top: 20px; left:0px; height: 812px; width: 100px; border-style: none;} #divAltitudeBar {background-color: #000055; position: absolute; left: 50px; top: 0px; width: 30px; height: 300px; border-radius: 25px;} #divAltitude {background-image: linear-gradient(blue 0%, cyan 98%); background-color: purple; position: absolute; width: 30px; height: 60px; left: 0px; border-radius: 25px;} #divDistanceBar {background-color: #000055; position: absolute; left:10px; top:0px; width: 30px; height: 300px; border-radius: 25px;} #divDistance {background-image: linear-gradient(blue 0%, cyan 98%); background-color: purple; position: absolute; width: 30px; height: 60px; left: 0px; border-radius: 25px;} #spanTo {position: absolute; top:-10px; left: 320px; width: 112px; height: 60px;} #spanFrom {position: absolute; top:30px; left: 320px; width: 112px; height: 49px;} #btnPlayMedium {position: absolute; top: 100px; left: 130px; background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/playButton.png'); background-size: 110px;} #btnDirectionMedium {position: absolute; top: 100px; left: 0px; background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/forwardButton.png'); background-size: 110px;} #spanView {position: absolute; top: 230px; left: 5px; width: 100px} #spanOrbits {position: absolute; top: 320px; left: 10px; width: 100px;} #spanTrails {position: absolute; top: 360px; left: 10px; width: 100px;} #spanAxes {position: absolute; top: 400px; left: 10px; width: 100px;} #span3d {position: absolute; top: 520px; left: 10px; width: 100px;} #spanNames {position: absolute; top: 440px; left: 10px; width: 50px;} #spanStars {position: absolute; top: 480px; left: 10px; width: 100px} #spanRF {position: absolute; top: 560px; left:10px; width: 100px} #lblRF {top: 0px; font-size: 15px;} #lblRF2 {top: 20px; font-size: 15px;} #select1 {width: 140px; max-width: 140px; font-size: 16px; background-color: #0000BB; color: #00FFFF; border-radius: 3px} #select2 {width: 140px; max-width: 140px; font-size: 16px; background-color: #0000BB; color: #00FFFF; border-radius: 3px} #btnOptionCities {position: absolute; top: 40px; left: 50px} .classControlDiv {position: fixed; width: 250px; border: 1px solid blue; background-color: rgba(0,0,255,0.1); z-index: 2;} .classControlTitle {width: 100%; background-color: rgba(0, 0, 200, 0.8); color: white; font-family: Tahoma, Geneva, sans-serif; z-index: 2;} .classLblData {color: cyan; background-color: Transparent; font-family: 'Lucida Console', Monaco, monospace; font-size: 12px; z-index: 2; border: none; opacity:0.8} .classTxtInput {color: white; background-color: black; z-index: 2; opacity: 0.8} .classSelect {color: white; background-color: red; z-index: 2; border: none; opacity: 0.8} .classBtn {-webkit-border-radius: 5px; -moz-border-radius: 5px; border-radius: 5px; -webkit-border-radius: 5px; -moz-border-radius: 5px; background: transparent; opacity: 0.8; background-color: #000020; color: cyan; border-color: #3b8e92; } .classTxtColor {-webkit-border-radius: 5px; -moz-border-radius: 5px; border-radius: 5px; -webkit-border-radius: 5px; -moz-border-radius: 5px; background: transparent; opacity: 0.8; background-color: #000020; color: cyan; border-color: #3b8e92; } .classBtnSmall { z-index: 3; width: 20px; height: 20px; -webkit-border-radius: 15px; -moz-border-radius: 15px; border-radius: 15px; -webkit-border-radius: 15px; -moz-border-radius: 15px; background: transparent; opacity: 0.8; background-color: #000020; color: cyan; border-color: #3b8e92; } .classBtnPlay2 { //delete me height: 460px; width: 460px; background-image:url('http://orbitsimulator.com/gravitySimulatorCloud/playButton.png'); background-repeat:no-repeat; } .classBtnPlay { z-index: 3; width: 460px; height: 460px; background-repeat:no-repeat; -webkit-border-radius: 150px; -moz-border-radius: 150px; border-radius: 150px; -webkit-border-radius: 150px; -moz-border-radius: 150px; background: transparent; opacity: 0.8; background-color: #000020; color: cyan; border-color: #3b8e92; } .classBtnPlayMedium { z-index: 3; width: 115px; height: 115px; background-repeat:no-repeat; -webkit-border-radius: 38px; -moz-border-radius: 38px; border-radius: 38px; -webkit-border-radius: 38px; -moz-border-radius: 38px; background: transparent; //opacity: 0.8; background-color: #000020; color: green; border-color: #3b8e92; } * {-webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; } .classTable{color: cyan; background-color:#111111; opacity: 0.8} .classBtnUnit { width: 40px; color: cyan; background-color: Transparent; background-repeat:no-repeat; border: none; cursor:pointer; overflow: hidden; outline:none; } .classMenuButton:hover {background: #383;} .classBtnClose { z-index: 3; width: 20px; height: 20px; left: 228px; top: 0px; -webkit-border-radius: 15px; -moz-border-radius: 5px; border-radius: 5px; -webkit-border-radius: 5px; -moz-border-radius: 5px; background: transparent; opacity: 0.8; background-color: #000020; color: red; border-color: #928e3b;} .classMenuButton {color: cyan; background-color: black; background-repeat:no-repeat; border: none; cursor:pointer; overflow: hidden; outline:none; font-size: 16px; font-family: Geneva, Tahoma, Verdana, sans-serif; opacity: 0.8; } #btnViewMenu { //position: absolute; //top: 3px; //left: 71px; } //#lblLabelsA {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblScreens {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblScreenShots {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblScreenWidth {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #spanScreenWidth {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblPreferences {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblDoEvents {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblEventsDuration {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblUpdateGraphics {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblMinimumObjectSize {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblDivEccentricity {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblEccentricity {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblDivSMA {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblSMA {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #lblFocusObject {color: cyan; font-family: Geneva, Tahoma, Verdana, sans-serif;} #canvasPixels { position: absolute; z-index: 1; top: 0px; left: 0px; background-color:#000000; } #foregroundLayer { position: absolute; z-index: 2; top: 0px; left: 0px; } #canvasPixelsPerspectiveA { position: absolute; z-index: 1; top: 0px; left: 0px; background-color:#000000; } #foregroundLayerPerspectiveA { position: absolute; z-index: 2; top: 0px; left: 0px; } #trailLayerPerspectiveA { position: absolute; z-index: 2; top: 0px; left: 0px; } #canvasPixelsPerspectiveB { position: absolute; z-index: 1; top: 0px; left: 5000px; background-color:#000000; } #foregroundLayerPerspectiveB { position: absolute; z-index: 2; top: 0px; left: 5000px; } #trailLayerPerspectiveB { position: absolute; z-index: 2; top: 0px; left: 5000px; } //delete this one after all uses have been transfered to classBtnClose .btnClose { position: absolute; top: 0px; width: 15px; height: 15px; background-color: red; font-size: 8px; font-weight: bold; visibility: hidden; } #btnEccentricityClose {left: 235px} #btnSMAClose {left: 235px} #divStereo {top: 660px; left: 4px; height: 165px; visibility: hidden} #lblStereoTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #checkStereo {position: absolute; top: 25px; left: 0px;} #lblStereo {position: absolute; top: 25px; left: 22px;} #radioCrosseye {position: absolute; top: 145px; left: 0px; } #lblRCrosseye {position: absolute; top: 145px; left: 22px; } #radioParallel {position: absolute; top: 125px; left: 0px;} #lblRParallel {position: absolute; top: 125px; left: 22px; } #txtBaseline {position: absolute; top: 65px; left: 0px; z-index: 2; } #lblBaseline {position: absolute; top: 85px; left: 0px; width:100px;} #btnStereoClose {position: absolute;} #divBlank {top: 660px; left: 4px; height: 165px; visibility: hidden} #lblBlankTitle {position: absolute; top: 0px; left: 0px; z-index: 2;} #btnBlankClose {position: absolute;} &lt;/style&gt; &lt;script src="http://orbitsimulator.com/gravitySimulatorCloud/stars716DynamicWithNames.js" type="text/javascript"&gt;&lt;/script&gt;&lt;/head&gt; &lt;body style="cursor: auto;" bgcolor="#000000" onresize="sizeFrames()" data-twttr-rendered="true"&gt; &lt;center&gt; &lt;div id="divAds"&gt; &lt;/div&gt; &lt;/center&gt; &lt;div id="divMenuShow" style="visibility: visible;"&gt; &lt;input class="classBtn" id="btnMenuShow" onclick="menu()" type="button" value="...&gt;"&gt; &lt;/div&gt; &lt;div id="divMenu" style="visibility: visible;"&gt; &lt;input class="classMenuButton" id="btnFileMenu" onclick="fileMenu()" type="button" value="File "&gt; &lt;input class="classMenuButton" id="btnObjectsMenu" onclick="objectsMenu()" type="button" value="Objects "&gt; &lt;input class="classMenuButton" id="btnTimeMenu" onclick="timeMenu()" type="button" value="Time"&gt;&lt;br&gt; &lt;input class="classMenuButton" id="btnVectorMenu" style="visibility: hidden;" onclick="document.getElementById('divVectors').style.visibility='visible';" type="button" value="Vectors"&gt; &lt;input class="classMenuButton" id="btnCalendarDate" style="visibility: hidden;" onclick="document.getElementById('divCalendarDate').style.visibility='visible';" type="button" value="Calendar date (Local)"&gt; &lt;input class="classMenuButton" id="btnCalendarDateUTC" style="visibility: hidden;" onclick="document.getElementById('divCalendarDateUTC').style.visibility='visible';" type="button" value="Calendar date (UTC)"&gt; &lt;input class="classMenuButton" id="btnJulianDate" style="visibility: hidden;" onclick="document.getElementById('divJulianDate').style.visibility='visible';" type="button" value="Julian day"&gt; &lt;input class="classMenuButton" id="btnPreferencesMenu" onmouseover="hideAllMenuButtons()" onclick="preferencesMenu()" type="button" value="Preferences"&gt; &lt;input class="classMenuButton" id="btnTimeStepMenu" style="visibility: hidden;" onclick="&amp;#10;document.getElementById('divTimeStep').style.visibility='visible'" type="button" value="Time step"&gt; &lt;input class="classMenuButton" id="btnSetDateAndTimeMenu" style="visibility: hidden;" onclick="setCurrentTime(); document.getElementById('divSetTime').style.visibility='visible';" type="button" value="Set time &amp;amp; date"&gt; &lt;input class="classMenuButton" id="btnToFromAMenu" style="visibility: hidden;" onclick="document.getElementById('divToFromA').style.visibility='visible';" type="button" value="Frame A"&gt; &lt;input class="classMenuButton" id="btnToFromBMenu" style="visibility: hidden;" onclick="document.getElementById('divToFromB').style.visibility='visible';" type="button" value="Frame B"&gt; &lt;input class="classMenuButton" id="btnScreensMenu" style="visibility: hidden;" onclick="document.getElementById('divScreens').style.visibility='visible';" type="button" value="Screens"&gt; &lt;input class="classMenuButton" id="btnScreenShotsMenu" style="visibility: hidden;" onclick="document.getElementById('divScreenShots').style.visibility='visible';" type="button" value="Screen shots"&gt; &lt;input class="classMenuButton" id="btnCollisionLogMenu" style="visibility: hidden;" onclick="document.getElementById('divCollisionLog').style.visibility='visible';" type="button" value="Collision log"&gt; &lt;input class="classMenuButton" id="btnSimulationDescriptionMenu" style="visibility: hidden;" onclick="document.getElementById('divSimulationDescription').style.visibility='visible';" type="button" value="Description"&gt; &lt;input class="classMenuButton" id="btnQuickHelpMenu" style="visibility: hidden;" onclick="document.getElementById('divQuickHelp').style.visibility='visible';" type="button" value="Quick help"&gt; &lt;input class="classMenuButton" id="btnManualMenu" style="visibility: hidden;" onclick="window.open('http://orbitsimulator.com/gravitySimulatorCloud/gsimHelp.html')" type="button" value="Manual"&gt; &lt;input class="classMenuButton" id="btnAboutMenu" style="visibility: hidden;" onclick="window.open('http://orbitsimulator.com/gravitySimulatorCloud/gsimAbout.html')" type="button" value="About"&gt; &lt;input class="classMenuButton" id="btnEditObjectsVectorsMenu" style="visibility: hidden;" onclick="populateEditObjectsVectors(true); document.getElementById('divEditObjectsVectors').style.visibility='visible';" type="button" value="Edit objects (vectors)"&gt; &lt;input class="classMenuButton" id="btnEditObjectsElementsMenu" style="visibility: hidden;" onclick="populateEditObjectsElements(true); document.getElementById('divEditObjectsElements').style.visibility='visible';" type="button" value="Edit objects (elements)"&gt; &lt;input class="classMenuButton" id="btnSaveAsMenu" style="visibility: hidden;" onclick="document.getElementById('divSaveAs').style.visibility='visible';" type="button" value="Save as"&gt; &lt;input class="classMenuButton" id="btnDisplayMenu" onclick="displayMenu()" type="button" value="Display"&gt; &lt;input class="classMenuButton" id="btnRotatingFrameMenu" style="visibility: hidden;" onclick="document.getElementById('divRotatingFrame').style.visibility='visible';" type="button" value="Rotating frame"&gt; &lt;input class="classMenuButton" id="btnStarsMenu" style="visibility: hidden;" onclick="document.getElementById('divStars').style.visibility='visible';" type="button" value="Stars"&gt; &lt;input class="classMenuButton" id="btnCameraAMenu" style="visibility: hidden;" onclick="document.getElementById('divRotateCameraA').style.visibility='visible';" type="button" value="Camera A"&gt; &lt;input class="classMenuButton" id="btnStereoMenu" style="visibility: hidden;" onclick="document.getElementById('divStereo').style.visibility='visible';" type="button" value="Stereo"&gt; &lt;input class="classMenuButton" id="btnBlankMenu" style="visibility: hidden;" onclick="document.getElementById('divBlank').style.visibility='visible';" type="button" value="Blank"&gt; &lt;input class="classMenuButton" id="btnCitiesAMenu" style="visibility: hidden;" onclick="document.getElementById('divCitiesA').style.visibility='visible';" type="button" value="Cities A"&gt; &lt;input class="classMenuButton" id="btnCitiesBMenu" style="visibility: hidden;" onclick="document.getElementById('divCitiesB').style.visibility='visible';" type="button" value="Cities B"&gt; &lt;input class="classMenuButton" id="btnLargePlayMenu" style="visibility: hidden;" onclick="if (bPause == 1){pause()};centerPlayButton(); document.getElementById('divLargerPlayButton').style.visibility='visible';" type="button" value="Large play button"&gt; &lt;input class="classMenuButton" id="btnMainMenu" style="visibility: hidden;" onclick="if (divBigA.style.visibility == 'hidden'){document.getElementById('divBigA').style.visibility='visible'; btnMainMenu.value = 'Hide Main Controls';} else {divBigA.style.visibility = 'hidden'; btnMainMenu.value = 'Show Main Controls'}" type="button" value="Hide Main Controls"&gt; &lt;input class="classMenuButton" id="btnAutopilotMenu" onclick="autoPilotMenu()" type="button" value="Autopilot"&gt; &lt;input class="classMenuButton" id="btnAPnowMenu" style="visibility: hidden;" onclick="document.getElementById('divAPnow').style.visibility='visible';" type="button" value="Now"&gt; &lt;input class="classMenuButton" id="btnAPsingleEventsMenu" style="visibility: hidden;" onclick="document.getElementById('divAPsingleEvents').style.visibility='visible';" type="button" value="Single events"&gt; &lt;input class="classMenuButton" id="btnAPperIterationMenu" style="visibility: hidden;" onclick="document.getElementById('divAPperIteration').style.visibility='visible';" type="button" value="Per iteration"&gt; &lt;input class="classMenuButton" id="btnAPperGraphicUpdateMenu" style="visibility: hidden;" onclick="document.getElementById('divAPperGraphicUpdate').style.visibility='visible';" type="button" value="Per graphic update"&gt; &lt;input class="classMenuButton" id="btnCreateObjectsMenu" style="visibility: hidden;" onclick="document.getElementById('divCreateObjects').style.visibility='visible';" type="button" value="Create objects"&gt; &lt;input class="classMenuButton" id="btnClonesMenu" style="visibility: hidden;" onclick="document.getElementById('divClones').style.visibility='visible'; document.getElementById('divClones').style.zIndex = '10'" type="button" value="Create object with clones"&gt; &lt;input class="classMenuButton" id="btnImportObjectsLiteMenu" style="visibility: hidden;" onclick="document.getElementById('divImportObjectsLite').style.visibility='visible'" type="button" value="Import object"&gt; &lt;input class="classMenuButton" id="btnImportObjectsMenu" style="visibility: hidden;" onclick="txtImportSetDateAndTime.value = UTC2(elapsedTime * 1000 + startDate); document.getElementById('divImportObjects').style.visibility='visible';" type="button" value="Import objects"&gt; &lt;input class="classMenuButton" id="btnDeleteObjectsMenu" style="visibility: hidden;" onclick="chooseDeletions(); document.getElementById('divDeleteObjects').style.visibility='visible';" type="button" value="Delete objects"&gt; &lt;input class="classMenuButton" id="btnPreTrailsMenu" style="visibility: hidden;" onclick="document.getElementById('divPreTrailObjectList').style.visibility='visible';" type="button" value="Orbits"&gt; &lt;input class="classMenuButton" id="btnHelpMenu" onclick="helpMenu()" type="button" value="Help"&gt; &lt;input class="classBtn" id="btnMenuHide" onclick="menuHide()" type="button" value="&lt;..."&gt; &lt;/div&gt; &lt;img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/playButton.png"&gt; &lt;img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/forwardButton.png"&gt; &lt;img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/pauseButton.png"&gt; &lt;img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/backButton.png"&gt; &lt;img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/earthIcon.png"&gt; &lt;img style="visibility: hidden" src="http://orbitsimulator.com/gravitySimulatorCloud/sunIcon.png"&gt; &lt;div class="classControlDiv ui-draggable" id="divStereo" style="left: 142px; top: 369px; visibility: hidden;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblStereoTitle"&gt;Stereo&lt;/label&gt; &lt;input id="checkStereo" onclick="stereo()" type="checkbox"&gt; &lt;label class="classLblData" id="lblStereo" for="checkStereo"&gt;Stereo&lt;/label&gt; &lt;input class="classTxtInput" id="txtBaseline" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeBaseline(); moveB()" type="text" value="1"&gt; &lt;label class="classLblData" id="lblBaseline"&gt;Baseline (deg)&lt;/label&gt; &lt;input name="radioStereo" id="radioCrosseye" onclick="moveB()" type="radio" checked="checked"&gt; &lt;label class="classLblData" id="lblRCrosseye" for="radioCrosseye"&gt;Crosseye&lt;/label&gt; &lt;input name="radioStereo" id="radioParallel" onclick="moveB()" type="radio"&gt; &lt;label class="classLblData" id="lblRParallel" for="radioParallel"&gt;Parallel&lt;/label&gt; &lt;input class="classBtnClose" id="btnStereoClose" onclick="hideMe('divStereo')" type="button" value="x"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divBlank" style="border: medium; border-image: none; left: 574px; top: 63px; visibility: visible; background-color: rgba(0, 0, 255, 0);" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblBlankTitle" style="visibility: hidden;"&gt;.&lt;/label&gt;&lt;br&gt; &lt;div id="divInBlank" style="width: 700px; color: rgb(255, 255, 0); font-size: 20px; font-family: Consolas;"&gt;Jun 08 2025 12:26:40 UTC&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; JD 2460835.018519&lt;br&gt;Sun Jun 08 2025 10:53:20 GMT+0200 (Mitteleuropäische Sommerzeit)&lt;br&gt;&lt;table&gt;&lt;tbody&gt;&lt;tr&gt;&lt;td style="text-align:left"&gt;Earth:&lt;/td&gt;&lt;td style="text-align: right; padding-left: 20px"&gt;1.048 AU&lt;/td&gt;&lt;td style="text-align: right; padding-left: 20px"&gt;76.096 km/s&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="text-align:left"&gt;Sun: &lt;/td&gt;&lt;td style="text-align: right; padding-left: 20px" ;=""&gt;0.721 AU&lt;/td&gt;&lt;td style="text-align: right; padding-left: 40px"&gt;31.027 km/s&lt;/td&gt;&lt;/tr&gt;&lt;/tbody&gt;&lt;/table&gt;&lt;/div&gt; &lt;input class="classBtnClose" id="btnBlankClose" style="visibility: hidden;" onclick="hideMe('divBlank')" type="button" value="x"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divSetTime" style="visibility: hidden; left: 428px; top: 373px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblSetTimeTitle"&gt;Set time&lt;/label&gt; &lt;label class="classLblData" id="lblSetTimeDateAndTime"&gt;Date and Time (UTC)&lt;/label&gt; &lt;input class="classTxtInput" id="txtSetDateAndTime" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"&gt; &lt;input id="btnSetTimeOK" onclick="setDate(txtSetDateAndTime.value); updateInfo(); hideMe('divSetTime')" type="button" value="Apply"&gt; &lt;input class="classBtnClose" id="btnSetTimeClose" onclick="hideMe('divSetTime')" type="button" value="x"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divEditObjectsVectors" style="left: 670px; top: 174px; visibility: hidden;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblEditObjectsVectorsTitle"&gt;Edit objects -- state vectors&lt;/label&gt; &lt;input class="classBtnClose" id="btnEditObjectsVectorsClose" onclick="hideMe('divEditObjectsVectors')" type="button" value="x"&gt; &lt;label class="classLblData" id="lblSelectTargetObjectEOV"&gt;Object&lt;/label&gt; &lt;select class="classSelect" id="selectTargetObjectEOV" onchange="populateEditObjectsVectors(true)"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;option value="10"&gt;Camera A&lt;/option&gt;&lt;option value="11"&gt;Camera B&lt;/option&gt;&lt;/select&gt; &lt;label class="classLblData" id="lblSelectReferenceObjectEOV"&gt;Reference object&lt;/label&gt; &lt;select class="classSelect" id="selectReferenceObjectEOV" onchange="populateEditObjectsVectors(false)"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;/select&gt; &lt;label class="classLblData" id="lblEOVSelectName"&gt;Name&lt;/label&gt; &lt;input class="classTxtInput" id="txtEOVName" type="text"&gt; &lt;label class="classLblData" id="lblEditObjectsVectorsColor"&gt;Color&lt;/label&gt; &lt;input class="color classTxtColor" id="txtEditObjectsVectorsColor" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"&gt; &lt;label class="classLblData" id="lblEditObjectsVectorsShadow"&gt;Shadow&lt;/label&gt; &lt;input class="color classTxtColor" id="txtEditObjectsVectorsShadow" style="background-image: none; color: rgb(255, 255, 255); background-color: rgb(4, 4, 8);" type="text" readonly="readonly" autocomplete="off"&gt; &lt;label class="classLblData" id="lblEditObjectsVectorsLabel"&gt;Label&lt;/label&gt; &lt;input class="color classTxtColor" id="txtEditObjectsVectorsLabel" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"&gt; &lt;label class="classLblData" id="lblEditObjectsVectorsTrail"&gt;Trail&lt;/label&gt; &lt;input class="color classTxtColor" id="txtEditObjectsVectorsTrail" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"&gt; &lt;label class="classLblData" id="lblEditObjectsVectorsSubZ"&gt;Sub Z&lt;/label&gt; &lt;input class="color classTxtColor" id="txtEditObjectsVectorsSubZ" style="background-image: none; color: rgb(255, 255, 255); background-color: rgb(42, 42, 85);" type="text" readonly="readonly" autocomplete="off"&gt; &lt;label class="classLblData" id="lblEditObjectsVectorMass"&gt;Mass&lt;/label&gt; &lt;input title="Earth masses" class="classBtnUnit" id="btnEditObjectsVectorMassUnits" onclick="changeMassUnit('btnEditObjectsVectorMassUnits'); populateEditObjectsVectors(false)" type="button" value="(Em)"&gt; &lt;input class="classTxtInput" id="txtEditObjectsVectorsMass"&gt; &lt;label class="classLblData" id="lblEditObjectsVectorDiameter"&gt;Diameter&lt;/label&gt; &lt;input class="classBtnUnit" id="btnEditObjectsVectorDiameterUnits" onclick="changeLengthUnitSmall('btnEditObjectsVectorDiameterUnits'); populateEditObjectsVectors(false)" type="button" value="(km)"&gt; &lt;input class="classTxtInput" id="txtEditObjectsVectorsDiameter"&gt; &lt;label class="classLblData" id="lblEditObjectsVectorLocation"&gt;Location (&lt;i&gt;x,y,z&lt;/i&gt;)&lt;/label&gt; &lt;input class="classBtnUnit" id="btnEditObjectsVectorPositionUnits" onclick="changeLengthUnitLarge('btnEditObjectsVectorPositionUnits'); populateEditObjectsVectors(false)" type="button" value="(AU)"&gt; &lt;input class="classTxtInput" id="txtEditObjectsVectorsX"&gt; &lt;input class="classTxtInput" id="txtEditObjectsVectorsY"&gt; &lt;input class="classTxtInput" id="txtEditObjectsVectorsZ"&gt; &lt;label class="classLblData" id="lblEditObjectsVectorVelocity"&gt;Velocity (&lt;i&gt;x,y,z&lt;/i&gt;)&lt;/label&gt; &lt;input class="classBtnUnit" id="btnEditObjectsVectorVelocityUnits" onclick="changeVelocityUnit('btnEditObjectsVectorVelocityUnits'); populateEditObjectsVectors(false)" type="button" value="(km/s)"&gt; &lt;input class="classTxtInput" id="txtEditObjectsVectorsVx"&gt; &lt;input class="classTxtInput" id="txtEditObjectsVectorsVy"&gt; &lt;input class="classTxtInput" id="txtEditObjectsVectorsVz"&gt; &lt;input class="classBtn" id="btnEditObjectsVectorsApply" onclick="editObjectsVectorsApply(); populateEditObjectsElements(false)" type="button" value="Apply"&gt; &lt;input class="classBtn" id="btnEditObjectsVectorsDelete" type="button" value="Delete"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divEditObjectsElements" style="left: 424px; top: 27px; visibility: hidden;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblEditObjectsElementsTitle"&gt;Edit objects -- orbital elements&lt;/label&gt; &lt;input class="classBtnClose" id="btnEditObjectsElementsClose" onclick="hideMe('divEditObjectsElements')" type="button" value="x"&gt; &lt;label class="classLblData" id="lblSelectTargetObjectEOE"&gt;Object&lt;/label&gt; &lt;select class="classSelect" id="selectTargetObjectEOE" onchange="populateEditObjectsElements(true)"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;option value="10"&gt;Camera A&lt;/option&gt;&lt;option value="11"&gt;Camera B&lt;/option&gt;&lt;/select&gt; &lt;label class="classLblData" id="lblSelectReferenceObjectEOE"&gt;Reference object&lt;/label&gt; &lt;select class="classSelect" id="selectReferenceObjectEOE" onchange="populateEditObjectsElements(false)"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;/select&gt; &lt;label class="classLblData" id="lblEOESelectName"&gt;Name&lt;/label&gt; &lt;input class="classTxtInput" id="txtEOEName" type="text"&gt; &lt;label class="classLblData" id="lblEditObjectsElementsColor"&gt;Color&lt;/label&gt; &lt;input class="color classTxtColor" id="txtEditObjectsElementsColor" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"&gt; &lt;label class="classLblData" id="lblEditObjectsElementsShadow"&gt;Shadow&lt;/label&gt; &lt;input class="color classTxtColor" id="txtEditObjectsElementsShadow" style="background-image: none; color: rgb(255, 255, 255); background-color: rgb(4, 4, 8);" type="text" readonly="readonly" autocomplete="off"&gt; &lt;label class="classLblData" id="lblEditObjectsElementsLabel"&gt;Label&lt;/label&gt; &lt;input class="color classTxtColor" id="txtEditObjectsElementsLabel" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"&gt; &lt;label class="classLblData" id="lblEditObjectsElementsTrail"&gt;Trail&lt;/label&gt; &lt;input class="color classTxtColor" id="txtEditObjectsElementsTrail" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(128, 128, 255);" type="text" readonly="readonly" autocomplete="off"&gt; &lt;label class="classLblData" id="lblEditObjectsElementsSubZ"&gt;Sub Z&lt;/label&gt; &lt;input class="color classTxtColor" id="txtEditObjectsElementsSubZ" style="background-image: none; color: rgb(255, 255, 255); background-color: rgb(42, 42, 85);" type="text" readonly="readonly" autocomplete="off"&gt; &lt;label class="classLblData" id="lblEditObjectsElementsMass"&gt;Mass&lt;/label&gt; &lt;input title="Earth masses" class="classBtnUnit" id="btnEditObjectsElementsMassUnits" onclick="changeMassUnit('btnEditObjectsElementsMassUnits'); populateEditObjectsElements(false)" type="button" value="(Em)"&gt; &lt;input class="classTxtInput" id="txtEditObjectsElementsMass"&gt; &lt;label class="classLblData" id="lblEditObjectsElementsDiameter"&gt;Diameter&lt;/label&gt; &lt;input class="classBtnUnit" id="btnEditObjectsElementsDiameterUnits" onclick="changeLengthUnitSmall('btnEditObjectsElementsDiameterUnits'); populateEditObjectsElements(false)" type="button" value="(km)"&gt; &lt;input class="classTxtInput" id="txtEditObjectsElementsDiameter"&gt; &lt;label class="classLblData" id="lblEditObjectsElementsLocation"&gt;&lt;i&gt;a, e, i&lt;/i&gt;&lt;/label&gt; &lt;input class="classBtnUnit" id="btnEditObjectsElementsPositionUnits" onclick="changeLengthUnitLarge('btnEditObjectsElementsPositionUnits'); populateEditObjectsElements(false)" type="button" value="(AU)"&gt; &lt;input class="classTxtInput" id="txtEditObjectsElementsX"&gt; &lt;input class="classTxtInput" id="txtEditObjectsElementsY"&gt; &lt;input class="classTxtInput" id="txtEditObjectsElementsZ"&gt; &lt;label class="classLblData" id="lblEditObjectsElementsVelocity"&gt;&lt;i&gt;Ω, ω, MA&lt;/i&gt;&lt;/label&gt; &lt;input class="classTxtInput" id="txtEditObjectsElementsVx"&gt; &lt;input class="classTxtInput" id="txtEditObjectsElementsVy"&gt; &lt;input class="classTxtInput" id="txtEditObjectsElementsVz"&gt; &lt;input class="classBtn" id="btnEditObjectsElementsApply" onclick="editObjectsElementsApply(); populateEditObjectsVectors(false)" type="button" value="Apply"&gt; &lt;input class="classBtn" id="btnEditObjectsElementsDelete" type="button" value="Delete"&gt; &lt;/div&gt; &lt;div class="classControlDiv" id="divBigA"&gt; &lt;div class="ui-draggable" id="divHorizontal"&gt; &lt;div id="divZoomBar" onclick="clearInterval(sliderInterval[1]); var x = event.clientX; advanceSliderHorizontal(x,'divZoomBar','divZoom',1)"&gt; &lt;div title="Zoom" class="ui-draggable" id="divZoom" style="left: 115px;"&gt;&lt;/div&gt; &lt;/div&gt; &lt;div id="divAzimuthBar" style="visibility: visible;" onclick="clearInterval(sliderInterval[2]); var x = event.clientX; advanceSliderHorizontal(x,'divAzimuthBar','divAzimuth',2)"&gt; &lt;div title="Azimuth" class="ui-draggable" id="divAzimuth" style="left: 66px;"&gt;&lt;/div&gt; &lt;/div&gt; &lt;span class="classNewDiv" id="spanTo" style="display: block; text-align: center"&gt; &lt;label&gt;Look at&lt;/label&gt;&lt;br&gt; &lt;select class="classSelect" id="select1" onchange="selectTargetObjectA.selectedIndex = select1.selectedIndex; changeTargetObjectA(); changeBarycenterA();"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;option value="10"&gt;Camera A&lt;/option&gt;&lt;option value="11"&gt;Camera B&lt;/option&gt;&lt;/select&gt;&lt;br&gt; &lt;/span&gt; &lt;span class="classNewDiv" id="spanFrom" style=" display: block; text-align: center"&gt; &lt;label&gt;Look from&lt;/label&gt;&lt;br&gt; &lt;select class="classSelect" id="select2" onchange="selectCameraObjectA.selectedIndex = select2.selectedIndex;&amp;#10;if (select2.selectedIndex == 3 ) {btnOptionCities.style.visibility = 'visible'; setTimeout(function(){btnOptionCities.style.visibility = 'hidden'}, 3000)}&amp;#10;&amp;#9;&amp;#9;&amp;#9;if (select2.selectedIndex == objects) {divAzimuthBar.style.visibility = 'visible'; divAltitudeBar.style.visibility = 'visible'; divDistanceBar.style.visibility = 'visible'} else {divAzimuthBar.style.visibility = 'hidden'; divAltitudeBar.style.visibility = 'hidden'; divDistanceBar.style.visibility = 'hidden'} changeCameraObjectA(); changeBarycenterA();"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;option value="10"&gt;Camera A&lt;/option&gt;&lt;option value="11"&gt;Camera B&lt;/option&gt;&lt;/select&gt;&lt;br&gt; &lt;input class="classBtnOptions" id="btnOptionCities" style="visibility: hidden;" onclick="divCitiesA.style.visibility = 'visible'" type="button"&gt; &lt;/span&gt; &lt;input class="classBtnPlayMedium" id="btnPlayMedium" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/pauseButton.png");' onclick="pause()" type="button"&gt; &lt;input class="classBtnPlayMedium" id="btnDirectionMedium" onclick="changeTimeFlow()" type="button"&gt; &lt;span class='classNewDiv"' id="spanView" style="display: block; text-align: left; font-size: 20px"&gt; &lt;input title="Heliocentric view" class="classBtnMacro" id="btnOptionHeliocentric" style="left: 0px; visibility: visible;" onclick="helioCentricView()" type="button"&gt; &lt;input title="Geocentric view" class="classBtnMacro" id="btnOptionGeocentric" style="left: 80px; visibility: visible;" onclick="geoCentricView()" type="button"&gt; &lt;input title="Sky view (asteroid size is exaggerated)" class="classBtnMacro" id="btnOptionSkyView" style="left: 160px; visibility: visible;" onclick="skyView()" type="button"&gt; &lt;/span&gt; &lt;/div&gt; &lt;div class="ui-draggable" id="divVertical"&gt; &lt;div id="divAltitudeBar" style="visibility: visible;" onclick="clearInterval(sliderInterval[3]); var y = event.clientY; advanceSliderVertical(y,'divAltitudeBar','divAltitude',3)"&gt; &lt;div title="Altitude" class="ui-draggable" id="divAltitude" style="top: 126px;"&gt;&lt;/div&gt; &lt;/div&gt; &lt;div id="divDistanceBar" style="visibility: visible;" onclick="clearInterval(sliderInterval[4]); var y = event.clientY; advanceSliderVertical(y,'divDistanceBar','divDistance',4)"&gt; &lt;div title="Distance" class="ui-draggable" id="divDistance" style="top: 240px;"&gt;&lt;/div&gt; &lt;/div&gt; &lt;span class="classNewDiv" id="spanNames" style=" display: block; text-align: left; font-size: 20px"&gt; &lt;label class="classLblCheck" id="lblNames" onclick="if (namesOn){divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; namesOn = false; checkLabelsCA.checked = false; checkLabelsA.checked = false} else {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';namesOn = true; checkLabelsCA.checked = true; checkLabelsA.checked = true; btnOptionNames.style.visibility = 'hidden'; setTimeout(function(){btnOptionNames.style.visibility = 'hidden'}, 3000);}"&gt;Names&lt;/label&gt; &lt;div class="divCheck" id="divCheckNames" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF");' onclick="if (namesOn){divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; namesOn = false; checkLabelsCA.checked = false; checkLabelsA.checked = false} else {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';namesOn = true; checkLabelsCA.checked = true; checkLabelsA.checked = true; btnOptionNames.style.visibility = 'hidden'; setTimeout(function(){btnOptionNames.style.visibility = 'hidden'}, 3000);}"&gt;&lt;/div&gt; &lt;input class="classBtnOptions" id="btnOptionNames" style="visibility: hidden;" type="button"&gt; &lt;/span&gt; &lt;span class="classNewDiv" id="spanStars" style=" display: block; text-align: left; font-size: 20px"&gt; &lt;label class="classLblCheck" id="lblStars" onclick="if (starsOn){divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; starsOn = false; checkStarsA.checked = false} else {if (selectStars.selectedIndex == 0) {selectStars.selectedIndex = 1; loadStars();} divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';starsOn = true; checkStarsA.checked = true; btnOptionStars.style.visibility = 'visible'; setTimeout(function(){btnOptionStars.style.visibility = 'hidden'}, 3000);}"&gt;Stars&lt;/label&gt; &lt;div class="divCheck" id="divCheckStars" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF");' onclick="if (starsOn){divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; starsOn = false; checkStarsA.checked = false} else {if (selectStars.selectedIndex == 0) {selectStars.selectedIndex = 1; loadStars();} divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';starsOn = true; checkStarsA.checked = true; btnOptionStars.style.visibility = 'visible'; setTimeout(function(){btnOptionStars.style.visibility = 'hidden'}, 3000);}"&gt;&lt;/div&gt; &lt;input class="classBtnOptions" id="btnOptionStars" style="visibility: hidden;" onclick="divStars.style.visibility = 'visible'" type="button"&gt; &lt;/span&gt; &lt;span class="classNewDiv" id="spanRF" style="display: block; text-align: left; font-size: 20px"&gt; &lt;label class="classLblCheck" id="lblRF" onclick="if (rotatingFrameOn){divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; rotatingFrameOn = false; selectTargetObjectRF.selectedIndex = 0; if (trailsOn){checkTrailsCA.click()}} else {if (!trailsOn){checkTrailsCA.click()} if (focusRF == 0) {focusRF = 4}; {selectTargetObjectRF.selectedIndex = 4}; selectTargetObjectRF.selectedIndex = focusRF; divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';rotatingFrameOn = true; btnOptionRF.style.visibility = 'visible'; setTimeout(function(){btnOptionRF.style.visibility = 'hidden'}, 3000);}"&gt;Rotating&lt;/label&gt; &lt;label class="classLblCheck" id="lblRF2" onclick="if (rotatingFrameOn){divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; rotatingFrameOn = false; selectTargetObjectRF.selectedIndex = 0; if (trailsOn){checkTrailsCA.click()}} else {if (!trailsOn){checkTrailsCA.click()} if (focusRF == 0) {focusRF = 4}; selectTargetObjectRF.selectedIndex = focusRF; divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';rotatingFrameOn = true; btnOptionRF.style.visibility = 'visible'; setTimeout(function(){btnOptionRF.style.visibility = 'hidden'}, 3000);}"&gt;frame&lt;/label&gt; &lt;div class="divCheck" id="divCheckRF" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF");' onclick="if (rotatingFrameOn){divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; rotatingFrameOn = false; selectTargetObjectRF.selectedIndex = 0; if (trailsOn){checkTrailsCA.click()}} else {if (!trailsOn){checkTrailsCA.click()} if (focusRF == 0) {focusRF = 4}; selectTargetObjectRF.selectedIndex = focusRF; divCheckRF.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';rotatingFrameOn = true; btnOptionRF.style.visibility = 'visible'; setTimeout(function(){btnOptionRF.style.visibility = 'hidden'}, 3000);}"&gt;&lt;/div&gt; &lt;input class="classBtnOptions" id="btnOptionRF" style="visibility: hidden;" onclick="divRotatingFrame.style.visibility = 'visible';" type="button"&gt; &lt;/span&gt; &lt;span class="classNewDiv" id="spanAxes" style=" display: block; text-align: left; font-size: 20px"&gt; &lt;label class="classLblCheck" id="lblnAxes" onclick="if (axesOn){divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; axesOn = false; rotateCameraA();} else {divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';axesOn = true; btnOptionAxes.style.visibility = 'hidden'; rotateCameraA(); setTimeout(function(){btnOptionAxes.style.visibility = 'hidden'}, 3000);}"&gt;Axes&lt;/label&gt; &lt;div class="divCheck" id="divCheckAxes" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF");' onclick="if (axesOn){divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; axesOn = false; checkAxes.checked = false; perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); rotateCameraA();} else {divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';axesOn = true; checkAxes.checked = true; btnOptionAxes.style.visibility = 'hidden'; rotateCameraA(); setTimeout(function(){btnOptionAxes.style.visibility = 'hidden'}, 3000);}"&gt;&lt;/div&gt; &lt;input class="classBtnOptions" id="btnOptionAxes" style="visibility: hidden;" type="button"&gt; &lt;/span&gt; &lt;span class="classNewDiv" id="span3d" style=" display: block; text-align: left; font-size: 20px"&gt; &lt;label class="classLblCheck" id="lbl3d" onclick="if (stereoOn){divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; stereoOn = false; checkStereoCA.checked = false} else {divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';stereoOn = true; checkStereoCA.checked = true; btnOption3d.style.visibility = 'visible'; setTimeout(function(){btnOption3d.style.visibility = 'hidden'}, 3000);} stereo();"&gt;3d&lt;/label&gt; &lt;div class="divCheck" id="divCheck3d" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF");' onclick="if (stereoOn){divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; stereoOn = false; checkStereoCA.checked = false} else {divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';stereoOn = true; checkStereoCA.checked = true; btnOption3d.style.visibility = 'visible'; setTimeout(function(){btnOption3d.style.visibility = 'hidden'}, 3000);} stereo();"&gt;&lt;/div&gt; &lt;input class="classBtnOptions" id="btnOption3d" style="visibility: hidden;" onclick="divStereo.style.visibility='visible'" type="button"&gt; &lt;/span&gt; &lt;span class="classNewDiv" id="spanOrbits" style=" display: block; text-align: left; font-size: 20px"&gt; &lt;label class="classLblCheck" id="lblOrbits" onclick="if (orbitsOn){divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; orbitsOn = false; checkKeplerCA.checked = false; checkPreTrailsA.checked = false; perspectiveTrails2ClsA(); perspectiveTrails2ClsB();} else {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';orbitsOn = true; checkKeplerCA.checked = true; checkPreTrailsA.checked = true; btnOptionOrbits.style.visibility = 'visible'; setTimeout(function(){btnOptionOrbits.style.visibility = 'hidden'}, 3000);}"&gt;Orbits&lt;/label&gt; &lt;div class="divCheck" id="divCheckOrbits" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF");' onclick="if (orbitsOn){divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; orbitsOn = false; checkKeplerCA.checked = false; checkPreTrailsA.checked = false; perspectiveTrails2ClsA(); perspectiveTrails2ClsB();} else {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';orbitsOn = true; checkKeplerCA.checked = true; checkPreTrailsA.checked = true; btnOptionOrbits.style.visibility = 'visible'; setTimeout(function(){btnOptionOrbits.style.visibility = 'hidden'}, 3000);}"&gt;&lt;/div&gt; &lt;input class="classBtnOptions" id="btnOptionOrbits" style="visibility: hidden;" onclick="divPreTrailObjectList.style.visibility = 'visible'" type="button"&gt; &lt;/span&gt; &lt;span class="classNewDiv" id="spanTrails" style=" display: block; text-align: left; font-size: 20px"&gt; &lt;label class="classLblCheck" id="lblTrails" onclick="if (trailsOn){divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; trailsOn = false; checkTrailsCA.checked = false; perspectiveTrailsClsA(); perspectiveTrailsClsB(); rotateCameraA();} else {divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';trailsOn = true; checkTrailsCA.checked = true; btnOptionTrails.style.visibility = 'hidden'; setTimeout(function(){btnOptionTrails.style.visibility = 'hidden'}, 3000);}"&gt;Trails&lt;/label&gt; &lt;div class="divCheck" id="divCheckTrails" style='background-image: url("http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF");' onclick="perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); rotateCameraA(); if (trailsOn){divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; trailsOn = false; checkTrailsCA.checked = false;} else {divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)';trailsOn = true; checkTrailsCA.checked = true; btnOptionTrails.style.visibility = 'hidden'; setTimeout(function(){btnOptionTrails.style.visibility = 'hidden'}, 3000);}"&gt;&lt;/div&gt; &lt;input class="classBtnOptions" id="btnOptionTrails" style="visibility: hidden;" type="button"&gt; &lt;/span&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divTimeStep" style="visibility: hidden; left: 374px; top: 143px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblTimeStepTitle"&gt;Time step&lt;/label&gt; &lt;input class="classBtn" id="btnPause" onclick="pause()" type="button" value="||"&gt; &lt;input class="classBtnSmall" id="btnTimeStepPlus" onclick="timeStepPlus()" type="button" value="+"&gt; &lt;span class="classTxtInput" id="spanTimeStep"&gt;128&lt;/span&gt; &lt;input class="classBtnSmall" id="btnTimeStepMinus" onclick="timeStepMinus()" type="button" value="-"&gt; &lt;input class="classBtnClose" id="btnTimeStepClose" onclick="hideMe('divTimeStep')" type="button" value="x"&gt; &lt;input class="classBtn" id="btnTimeDirection" onclick="changeTimeFlow()" type="button" value="&gt;&gt;"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divRotateCameraA" style="left: 127px; top: 143px; visibility: hidden;"&gt; &lt;label class="classControlTitle" id="lblRotateCameraATitle"&gt;Camera A&lt;/label&gt; &lt;input class="classBtnClose" id="btnRotateCameraAClose" onclick="hideMe('divRotateCameraA')" type="button" value="x"&gt; &lt;input class="slider" id="rangeRotateCameraA" onchange="rotateCameraA()" type="range" min="0" max="6.2830" step="0.001" value="0"&gt; &lt;input class="classTxtInput" id="txtRotateCameraA" type="text" value="-999"&gt; &lt;label title="Degrees" class="classLblData" id="lblRotateCameraA"&gt;Azimuth&lt;/label&gt; &lt;input class="slider" id="rangeRotateCameraZ" onchange="rotateCameraA()" type="range" min="0.0175" max="3.124" step="0.001" value="0"&gt; &lt;input class="classTxtInput" id="txtRotateCameraZ" type="text" value="-888"&gt; &lt;label title="Degrees" class="classLblData" id="lblRotateCameraZ"&gt;Altitude&lt;/label&gt; &lt;input class="slider" id="rangeRotateCameraD" onchange="rotateCameraA()" type="range" min="6" max="100" step="0.1" value="0"&gt; &lt;input class="classTxtInput" id="txtRotateCameraD" type="text" value="-999"&gt; &lt;label title="AU" class="classLblData" id="lblRotateCameraD"&gt;Distance&lt;/label&gt; &lt;input name="checkAxes" id="checkAxes" onclick="perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); if (checkAxes.checked) {axesOn = true} else {axesOn = false}; if (axesOn){divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; axesOn = true; btnOptionAxes.style.visibility = 'hidden'; setTimeout(function(){btnOptionAxes.style.visibility = 'hidden'}, 3000);} else {divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)';axesOn = false;}" type="checkbox"&gt; &lt;label title="x, y axes" class="classLblData" id="lblAxes" for="checkAxes"&gt;Axes&lt;/label&gt; &lt;input name="checkStereoCA" id="checkStereoCA" onclick="stereo(); if (checkStereoCA.checked) {divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; stereoOn = true} else {divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; stereoOn = false}" type="checkbox"&gt; &lt;label title="Stereo. Press Q for more options." class="classLblData" id="lblStereoCA" for="checkStereoCA"&gt;3d&lt;/label&gt; &lt;input name="checkKeplerCA" id="checkKeplerCA" onclick="perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); checkPreTrailsA.checked = checkKeplerCA.checked; checkPreTrailsB.checked = checkKeplerCA.checked; if (checkKeplerCA.checked) {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; orbitsOn = true} else {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; orbitsOn = false}" type="checkbox"&gt; &lt;label title="Superimpose Keplerian orbit" class="classLblData" id="lblKeplerCA" for="checkKeplerCA"&gt;Orbits&lt;/label&gt; &lt;input name="checkTrailsCA" id="checkTrailsCA" onclick="perspectiveTrailsClsA(); perspectiveTrailsClsB(); rotateCameraA(); if (checkTrailsCA.checked) {divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; trailsOn = true} else {divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; trailsOn = false}" type="checkbox"&gt; &lt;label title="Create trails" class="classLblData" id="lblTrailsCA" for="checkTrailsCA"&gt;Trails&lt;/label&gt; &lt;input name="checkLabelsCA" id="checkLabelsCA" onclick="checkLabelsA.checked = checkLabelsCA.checked; checkLabelsB.checked = checkLabelsCA.checked; if (checkLabelsCA.checked) {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; namesOn = true;} else {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; namesOn = false;}" type="checkbox"&gt; &lt;label title="Labels" class="classLblData" id="lblLabelsCA" for="checkLabelsCA"&gt;Names&lt;/label&gt; &lt;/div&gt; &lt;div class="classControlDiv" id="divDistanceAndSpeedA" onmouseover="hideAllMenuButtons()" ui-draggable"=""&gt; &lt;label class="classControlTitle" id="lblDistanceAndSpeedATitle"&gt;Distance and speed&lt;/label&gt; &lt;label class="classControlTitle" id="lblCalendarLocalTitle"&gt;Local time&lt;/label&gt; &lt;select class="classSelect" id="selectTargetObjectDSa"&gt;&lt;/select&gt; &lt;select class="classSelect" id="selectTargetObjectDSa"&gt;&lt;/select&gt; &lt;label class="classLblData" id="lblDSaDistanceA"&gt; &lt;label class="classLblData" id="lblDSaSpeedA"&gt; &lt;label class="classLblData" id="lblDStangentialA"&gt; &lt;label class="classLblData" id="lblDSradialA"&gt; &lt;/label&gt;&lt;/label&gt;&lt;/label&gt;&lt;/label&gt;&lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divCalendarDate" style="visibility: hidden; left: 946px; top: 4px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblCalendarLocalTitle"&gt;Local time&lt;/label&gt; &lt;span class="classLblData" id="spanCalendarDate"&gt;Sun Jun 08 2025 14:26:40 GMT+0200 (Mitteleuropäische Sommerzeit)&lt;/span&gt; &lt;input class="classBtnClose" id="btnCalendarDateClose" onclick="hideMe('divCalendarDate')" type="button" value="x"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divCalendarDateUTC" style="visibility: hidden; left: 695px; top: 4px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblCalendarUTC"&gt;Coordinated Universal Time&lt;/label&gt; &lt;span class="classLblData" id="spanCalendarDateUTC"&gt;Sun Jun 08 2025 12:26:40 (UTC)&lt;/span&gt; &lt;input class="classBtnClose" id="btnCalendarDateUTCClose" onclick="hideMe('divCalendarDateUTC')" type="button" value="x"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divJulianDate" style="visibility: hidden; left: 946px; top: 75px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblJulianDateTitle"&gt;Julian Day&lt;/label&gt; &lt;span class="classLblData" id="spanJulianDate"&gt;2460835.0185185186&lt;/span&gt; &lt;input class="classBtnClose" id="btnJulianDateClose" onclick="hideMe('divJulianDate')" type="button" value="x"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divSaveAs" style="left: 382px; top: 45px; visibility: hidden;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblSaveAsTitle"&gt;Save as&lt;/label&gt; &lt;input class="classBtnClose" id="btnSaveAsClose" onclick="hideMe('divSaveAs')" type="button" value="x"&gt; &lt;label class="classLblData" id="lblSaveAsFileName"&gt;Simulation name:&lt;/label&gt; &lt;input class="classTxtInput" id="txtSaveAsFileName" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"&gt; &lt;label class="classLblData" id="lblSaveAsKeywords"&gt;Keywords (optional)&lt;/label&gt; &lt;input class="classTxtInput" id="txtSaveAsKeywords" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"&gt; &lt;label class="classLblData" id="lblSaveAsDescription"&gt;Description (optional)&lt;/label&gt; &lt;textarea id="txtAreaSaveAsDescription" onkeydown="userTyping(true)" onkeyup="userTyping(false)"&gt;&lt;/textarea&gt; &lt;label class="classLblData" id="lblSaveAsAuthor"&gt;Author (optional)&lt;/label&gt; &lt;input class="classTxtInput" id="txtSaveAsAuthor" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"&gt; &lt;input id="checkSaveAsShare" onchange="if (checkSaveAsShare.checked) {checkSaveAsTempLink.checked = true}" type="checkbox"&gt; &lt;label class="classLblData" id="lblSaveAsShare" for="checkSaveAsShare"&gt;Share on orbitsimulator.com&lt;/label&gt; &lt;input id="checkSaveAsTempLink" onchange="if (checkSaveAsShare.checked) {checkSaveAsTempLink.checked = true}" type="checkbox" checked=""&gt; &lt;label class="classLblData" id="lblSaveAsTempLink" for="checkSaveAsShare"&gt;Create temporary link&lt;/label&gt; &lt;label class="classLblData" id="lblSaveAsAddress"&gt;Your simulation is here:&lt;/label&gt; &lt;span id="spanSimURL"&gt;&lt;/span&gt; &lt;label class="classLblData" id="lblSaveAsSourceCode"&gt;Source code:&lt;/label&gt; &lt;textarea id="txtAreaSaveAs" onkeydown="userTyping(true)" onkeyup="userTyping(false)"&gt;&lt;/textarea&gt; &lt;input id="btnSaveAs" onclick="mySaveAs()" type="button" value="Save"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divStars" style="visibility: hidden; left: 153px; top: 354px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblStarsTitle"&gt;Stars&lt;/label&gt; &lt;input class="classBtnClose" id="btnStarsClose" onclick="hideMe('divStars')" type="button" value="x"&gt; &lt;label class="classLblData" id="lblSelectStars"&gt;Star catalog&lt;/label&gt; &lt;select class="classSelect" id="selectStars" onchange="loadStars()"&gt;&lt;option&gt;none&lt;/option&gt;&lt;option&gt;716&lt;/option&gt;&lt;option&gt;15K&lt;/option&gt;&lt;/select&gt; &lt;hr id="hrStars"&gt; &lt;input class="classTxtInput" id="checkRaDec" type="checkbox"&gt; &lt;label class="classLblData" id="lblRaDec" for="checkRaDec"&gt;RA / Dec&lt;/label&gt; &lt;input class="classTxtInput" id="checkConstellationBoundaries" type="checkbox"&gt; &lt;label class="classLblData" id="lblBoundaries" for="checkConstellationBoundaries"&gt;Boundaries&lt;/label&gt; &lt;label class="classLblData" id="lblStarBrightness"&gt;Star brightness&lt;/label&gt; &lt;input class="classTxtInput" id="txtStarBrightness" type="text" value="1"&gt; &lt;label class="classLblData" id="lblGridBrightness"&gt;Grid brightness&lt;/label&gt; &lt;input class="classTxtInput" id="txtGridBrightness" type="text" value="1"&gt; &lt;label class="classLblData" id="lblRaSpacing"&gt;RA spacing (min)&lt;/label&gt; &lt;input class="classTxtInput" id="txtRaSpacing" type="text" value="60"&gt; &lt;label class="classLblData" id="lblDecSpacing"&gt;Dec spacing (deg)&lt;/label&gt; &lt;input class="classTxtInput" id="txtDecSpacing" type="text" value="15"&gt; &lt;label class="classLblData" id="lblGridColor"&gt;Color&lt;/label&gt; &lt;input class="color classTxtColor" id="txtGridColor" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);" type="text" readonly="readonly" autocomplete="off"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divRotatingFrame" style="visibility: hidden; left: 161px; top: 371px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblRotatingFrameTitle"&gt;Rotating frame&lt;/label&gt; &lt;span class="classLblData" id="lblTargetObjectRF"&gt;Target object A&lt;/span&gt; &lt;select title="Rotate with" class="classSelect" id="selectTargetObjectRF" onchange="changeRF()"&gt;&lt;option value="0"&gt;Stationary&lt;/option&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;/select&gt; &lt;label class="classLblData" id="lblLonPlus"&gt;+&lt;/label&gt; &lt;input title="Phase shift" class="classTxtInput" id="txtLongitudeRF" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeRF()" type="text"&gt; &lt;span class="classLblData" id="lblReferenceObjectRF"&gt;Reference object A&lt;/span&gt; &lt;select class="classSelect" id="selectReferenceObjectRF" onchange="changeRF()"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;/select&gt; &lt;input name="nameLongitude" id="radioTrueLongitude" onchange="changeRF()" type="radio" checked="checked"&gt; &lt;label title="True longitude" class="classLblData" id="lblTrueLongitude" for="radioTrueLongitude"&gt;TL&lt;/label&gt; &lt;input name="nameLongitude" id="radioMeanLongitude" onchange="changeRF()" type="radio"&gt; &lt;label title="Mean longitude" class="classLblData" id="lblMeanLongitude" for="radioMeanLongitude"&gt;ML&lt;/label&gt; &lt;span class="classLblData" id="lblLongitudeRF"&gt;Longitude&lt;/span&gt; &lt;span class="classLblData" id="lblAltitudeRF"&gt;Altitude (AU)&lt;/span&gt; &lt;input id="txtAltitudeRF" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeRF()" type="text"&gt; &lt;span class="classLblData" id="lblDistanceRF"&gt;Distance (AU)&lt;/span&gt; &lt;input id="txtDistanceRF" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeRF()" type="text"&gt; &lt;input class="classTxtInput" id="checkRF" type="checkbox" value="Rotating frame"&gt; &lt;input class="classBtnClose" id="btnRotatingFrameClose" onclick="hideMe('divRotatingFrame')" type="button" value="x"&gt; &lt;/div&gt; &lt;div id="divLargerPlayButton" style="visibility: hidden;" onmouseover="hideAllMenuButtons()"&gt; &lt;input class="classBtnPlay" id="btnLargerPlayButton" style="left: 453px; top: 96px;" onclick="largePlayButtonPressed()" type="button"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divCitiesA" style="visibility: hidden; left: 389px; top: 157px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblCitiesTitleA"&gt;Cities A&lt;/label&gt; &lt;input class="classBtnClose" id="btnCitiesCloseA" onclick="hideMe('divCitiesA')" type="button" value="x"&gt; &lt;select class="classSelect" id="selectCitiesA" onchange="changeCityA()"&gt;&lt;option value="1"&gt;Aberdeen, Scotland&lt;/option&gt;&lt;option value="2"&gt;Adelaide, Australia&lt;/option&gt;&lt;option value="3"&gt;Albany, N.Y.&lt;/option&gt;&lt;option value="4"&gt;Albuquerque, N.M.&lt;/option&gt;&lt;option value="5"&gt;Algiers, Algeria&lt;/option&gt;&lt;option value="6"&gt;Amarillo, Tex.&lt;/option&gt;&lt;option value="7"&gt;Amsterdam, Netherlands&lt;/option&gt;&lt;option value="8"&gt;Anchorage, Alaska&lt;/option&gt;&lt;option value="9"&gt;Ankara, Turkey&lt;/option&gt;&lt;option value="10"&gt;Asuncion, Paraguay&lt;/option&gt;&lt;option value="11"&gt;Athens, Greece&lt;/option&gt;&lt;option value="12"&gt;Atlanta, Ga.&lt;/option&gt;&lt;option value="13"&gt;Auckland, New Zealand&lt;/option&gt;&lt;option value="14"&gt;Austin, Tex.&lt;/option&gt;&lt;option value="15"&gt;Baker, Ore.&lt;/option&gt;&lt;option value="16"&gt;Baltimore, Md.&lt;/option&gt;&lt;option value="17"&gt;Bangkok, Thailand&lt;/option&gt;&lt;option value="18"&gt;Bangor, Maine&lt;/option&gt;&lt;option value="19"&gt;Barcelona, Spain&lt;/option&gt;&lt;option value="20"&gt;Barrow, Alaska&lt;/option&gt;&lt;option value="21"&gt;Beijing, China&lt;/option&gt;&lt;option value="22"&gt;Belem, Brazil&lt;/option&gt;&lt;option value="23"&gt;Belfast, Northern Ireland&lt;/option&gt;&lt;option value="24"&gt;Belgrade, Serbia&lt;/option&gt;&lt;option value="25"&gt;Berlin, Germany&lt;/option&gt;&lt;option value="26"&gt;Birmingham, Ala.&lt;/option&gt;&lt;option value="27"&gt;Birmingham, England&lt;/option&gt;&lt;option value="28"&gt;Bismarck, N.D.&lt;/option&gt;&lt;option value="29"&gt;Bogota, Colombia&lt;/option&gt;&lt;option value="30"&gt;Boise, Idaho&lt;/option&gt;&lt;option value="31"&gt;Mumbai, India&lt;/option&gt;&lt;option value="32"&gt;Bordeaux, France&lt;/option&gt;&lt;option value="33"&gt;Boston, Mass.&lt;/option&gt;&lt;option value="34"&gt;Bremen, Germany&lt;/option&gt;&lt;option value="35"&gt;Brisbane, Australia&lt;/option&gt;&lt;option value="36"&gt;Bristol, England&lt;/option&gt;&lt;option value="37"&gt;Brussels, Belgium&lt;/option&gt;&lt;option value="38"&gt;Bucharest, Romania&lt;/option&gt;&lt;option value="39"&gt;Budapest, Hungary&lt;/option&gt;&lt;option value="40"&gt;Buenos Aires, Argentina&lt;/option&gt;&lt;option value="41"&gt;Buffalo, N.Y.&lt;/option&gt;&lt;option value="42"&gt;Cairo, Egypt&lt;/option&gt;&lt;option value="43"&gt;Calcutta, India&lt;/option&gt;&lt;option value="44"&gt;Calgary, Alba., Can.&lt;/option&gt;&lt;option value="45"&gt;Canton, China&lt;/option&gt;&lt;option value="46"&gt;Cape Town, South Africa&lt;/option&gt;&lt;option value="47"&gt;Caracas, Venezuela&lt;/option&gt;&lt;option value="48"&gt;Carbondale, Illinois&lt;/option&gt;&lt;option value="49"&gt;Carlsbad, N.M.&lt;/option&gt;&lt;option value="50"&gt;Cayenne, French Guiana&lt;/option&gt;&lt;option value="51"&gt;Charleston, S.C.&lt;/option&gt;&lt;option value="52"&gt;Charleston, W. Va.&lt;/option&gt;&lt;option value="53"&gt;Charlotte, N.C.&lt;/option&gt;&lt;option value="54"&gt;Casper, Wyo.&lt;/option&gt;&lt;option value="55"&gt;Cheyenne, Wyo.&lt;/option&gt;&lt;option value="56"&gt;Chebarlul Lake, Russia&lt;/option&gt;&lt;option value="57"&gt;Chicago, Ill.&lt;/option&gt;&lt;option value="58"&gt;Chico, Ca&lt;/option&gt;&lt;option value="59"&gt;Chihuahua, Mexico&lt;/option&gt;&lt;option value="60"&gt;Chongqing, China&lt;/option&gt;&lt;option value="61"&gt;Christchurch, New Zealand&lt;/option&gt;&lt;option value="62"&gt;Cincinnati, Ohio&lt;/option&gt;&lt;option value="63"&gt;Cleveland, Ohio&lt;/option&gt;&lt;option value="64"&gt;Columbia, S.C.&lt;/option&gt;&lt;option value="65"&gt;Columbus, Ohio&lt;/option&gt;&lt;option value="66"&gt;Copenhagen, Denmark&lt;/option&gt;&lt;option value="67"&gt;Cordoba, Argentina&lt;/option&gt;&lt;option value="68"&gt;Crescent City, California&lt;/option&gt;&lt;option value="69"&gt;Dakar, Senegal&lt;/option&gt;&lt;option value="70"&gt;Dallas, Tex.&lt;/option&gt;&lt;option value="71"&gt;Darwin, Australia&lt;/option&gt;&lt;option value="72"&gt;Denver, Colo.&lt;/option&gt;&lt;option value="73"&gt;Des Moines, Iowa&lt;/option&gt;&lt;option value="74"&gt;Detroit, Mich.&lt;/option&gt;&lt;option value="75"&gt;Djibouti, Djibouti&lt;/option&gt;&lt;option value="76"&gt;Dublin, Ireland&lt;/option&gt;&lt;option value="77"&gt;Dubuque, Iowa&lt;/option&gt;&lt;option value="78"&gt;Duluth, Minn.&lt;/option&gt;&lt;option value="79"&gt;Durban, South Africa&lt;/option&gt;&lt;option value="80"&gt;Eastport, Maine&lt;/option&gt;&lt;option value="81"&gt;Edinburgh, Scotland&lt;/option&gt;&lt;option value="82"&gt;Edmonton, Alb., Can.&lt;/option&gt;&lt;option value="83"&gt;El Centro, Calif.&lt;/option&gt;&lt;option value="84"&gt;El Paso, Tex.&lt;/option&gt;&lt;option value="85"&gt;Eugene, Ore.&lt;/option&gt;&lt;option value="86"&gt;Fairfax, CA&lt;/option&gt;&lt;option value="87"&gt;Fargo, N.D.&lt;/option&gt;&lt;option value="88"&gt;Flagstaff, Ariz.&lt;/option&gt;&lt;option value="89"&gt;Fort Worth, Tex.&lt;/option&gt;&lt;option value="90"&gt;Frankfurt, Germany&lt;/option&gt;&lt;option value="91"&gt;Fresno, Calif.&lt;/option&gt;&lt;option value="92"&gt;Georgetown, Guyana&lt;/option&gt;&lt;option value="93"&gt;Glasgow, Scotland&lt;/option&gt;&lt;option value="94"&gt;Grand Island, Neb&lt;/option&gt;&lt;option value="95"&gt;Grand Junction, Colo.&lt;/option&gt;&lt;option value="96"&gt;Grand Rapids, Mich.&lt;/option&gt;&lt;option value="97"&gt;Guatemala City, Guatemala&lt;/option&gt;&lt;option value="98"&gt;Guayaquil, Ecuador&lt;/option&gt;&lt;option value="99"&gt;Hamburg, Germany&lt;/option&gt;&lt;option value="100"&gt;Hammerfest, Norway&lt;/option&gt;&lt;option value="101"&gt;Havana, Cuba&lt;/option&gt;&lt;option value="102"&gt;Havre, Mont.&lt;/option&gt;&lt;option value="103"&gt;Helena, Mont.&lt;/option&gt;&lt;option value="104"&gt;Helsinki, Finland&lt;/option&gt;&lt;option value="105"&gt;Hobart, Tasmania&lt;/option&gt;&lt;option value="106"&gt;Hong Kong, China&lt;/option&gt;&lt;option value="107"&gt;Honolulu, Hawaii&lt;/option&gt;&lt;option value="108"&gt;Hopkinsville, Kentucky&lt;/option&gt;&lt;option value="109"&gt;Hot Springs, Ark.&lt;/option&gt;&lt;option value="110"&gt;Houston, Tex.&lt;/option&gt;&lt;option value="111"&gt;Idaho Falls, Idaho&lt;/option&gt;&lt;option value="112"&gt;Indianapolis, Ind.&lt;/option&gt;&lt;option value="113"&gt;Iquique, Chile&lt;/option&gt;&lt;option value="114"&gt;Irkutsk, Russia&lt;/option&gt;&lt;option value="115"&gt;Jackson, Miss.&lt;/option&gt;&lt;option value="116"&gt;Jacksonville, Fla.&lt;/option&gt;&lt;option value="117"&gt;Jakarta, Indonesia&lt;/option&gt;&lt;option value="118"&gt;Jefferson City, Missouri&lt;/option&gt;&lt;option value="119"&gt;Johannesburg, South Africa&lt;/option&gt;&lt;option value="120"&gt;Juneau, Alaska&lt;/option&gt;&lt;option value="121"&gt;Kansas City, Mo.&lt;/option&gt;&lt;option value="122"&gt;Key West, Fla.&lt;/option&gt;&lt;option value="123"&gt;Kingston, Jamaica&lt;/option&gt;&lt;option value="124"&gt;Kingston, Ont., Can.&lt;/option&gt;&lt;option value="125"&gt;Kinshasa, Congo&lt;/option&gt;&lt;option value="126"&gt;Klamath Falls, Ore.&lt;/option&gt;&lt;option value="127"&gt;Knoxville, Tenn.&lt;/option&gt;&lt;option value="128"&gt;Kuala Lumpur, Malaysia&lt;/option&gt;&lt;option value="129"&gt;La Paz, Bolivia&lt;/option&gt;&lt;option value="130"&gt;Las Vegas, Nev.&lt;/option&gt;&lt;option value="131"&gt;Leeds, England&lt;/option&gt;&lt;option value="132"&gt;Lewiston, Idaho&lt;/option&gt;&lt;option value="133"&gt;Lima, Peru&lt;/option&gt;&lt;option value="134"&gt;Lincoln, Neb.&lt;/option&gt;&lt;option value="135"&gt;Lisbon, Portugal&lt;/option&gt;&lt;option value="136"&gt;Litchfield Park, AZ&lt;/option&gt;&lt;option value="137"&gt;Liverpool, England&lt;/option&gt;&lt;option value="138"&gt;London, England&lt;/option&gt;&lt;option value="139"&gt;London, Ont., Can.&lt;/option&gt;&lt;option value="140"&gt;Long Beach, Calif.&lt;/option&gt;&lt;option value="141"&gt;Los Angeles, Calif.&lt;/option&gt;&lt;option value="142"&gt;Louisville, Ky.&lt;/option&gt;&lt;option value="143"&gt;Lyons, France&lt;/option&gt;&lt;option value="144"&gt;Madrid, Spain&lt;/option&gt;&lt;option value="145"&gt;Manchester, England&lt;/option&gt;&lt;option value="146"&gt;Manchester, N.H.&lt;/option&gt;&lt;option value="147"&gt;Manila, Philippines&lt;/option&gt;&lt;option value="148"&gt;Marseilles, France&lt;/option&gt;&lt;option value="149"&gt;Mazatlan, Mexico&lt;/option&gt;&lt;option value="150"&gt;Mecca, Saudi Arabia&lt;/option&gt;&lt;option value="151"&gt;Melbourne, Australia&lt;/option&gt;&lt;option value="152"&gt;Memphis, Tenn.&lt;/option&gt;&lt;option value="153"&gt;Mexico City, Mexico&lt;/option&gt;&lt;option value="154"&gt;Miami, Fla.&lt;/option&gt;&lt;option value="155"&gt;Milan, Italy&lt;/option&gt;&lt;option value="156"&gt;Milwaukee, Wis.&lt;/option&gt;&lt;option value="157"&gt;Minneapolis, Minn.&lt;/option&gt;&lt;option value="158"&gt;Mobile, Ala.&lt;/option&gt;&lt;option value="159"&gt;Montevideo, Uruguay&lt;/option&gt;&lt;option value="160"&gt;Montgomery, Ala.&lt;/option&gt;&lt;option value="161"&gt;Montpelier, Vt.&lt;/option&gt;&lt;option value="162"&gt;Montreal, Que., Can.&lt;/option&gt;&lt;option value="163"&gt;Moose Jaw, Sask., Can.&lt;/option&gt;&lt;option value="164"&gt;Moscow, Russia&lt;/option&gt;&lt;option value="165"&gt;Munich, Germany&lt;/option&gt;&lt;option value="166"&gt;Nagasaki, Japan&lt;/option&gt;&lt;option value="167"&gt;Nagoya, Japan&lt;/option&gt;&lt;option value="168"&gt;Nairobi, Kenya&lt;/option&gt;&lt;option value="169"&gt;Nanjing (Nanking), China&lt;/option&gt;&lt;option value="170"&gt;Naples, Italy&lt;/option&gt;&lt;option value="171"&gt;Nashville, Tenn.&lt;/option&gt;&lt;option value="172"&gt;Nelson, B.C., Can.&lt;/option&gt;&lt;option value="173"&gt;New Delhi, India&lt;/option&gt;&lt;option value="174"&gt;New Haven, Conn.&lt;/option&gt;&lt;option value="175"&gt;New Orleans, La.&lt;/option&gt;&lt;option value="176"&gt;New York, N.Y.&lt;/option&gt;&lt;option value="177"&gt;Newark, N.J.&lt;/option&gt;&lt;option value="178"&gt;Newcastle-on-Tyne, England&lt;/option&gt;&lt;option value="179"&gt;Nome, Alaska&lt;/option&gt;&lt;option value="180"&gt;Oakland, Calif.&lt;/option&gt;&lt;option value="181"&gt;Odessa, Ukraine&lt;/option&gt;&lt;option value="182"&gt;Oklahoma City, Okla.&lt;/option&gt;&lt;option value="183"&gt;Omaha, Neb.&lt;/option&gt;&lt;option value="184"&gt;Osaka, Japan&lt;/option&gt;&lt;option value="185"&gt;Oslo, Norway&lt;/option&gt;&lt;option value="186"&gt;Ottawa, Ont., Can.&lt;/option&gt;&lt;option value="187"&gt;Paducah, Kentucky&lt;/option&gt;&lt;option value="188"&gt;Panama City, Panama&lt;/option&gt;&lt;option value="189"&gt;Paramaribo, Suriname&lt;/option&gt;&lt;option value="190"&gt;Paris, France&lt;/option&gt;&lt;option value="191"&gt;Perth, Australia&lt;/option&gt;&lt;option value="192"&gt;Philadelphia, Pa.&lt;/option&gt;&lt;option value="193"&gt;Phoenix, Ariz.&lt;/option&gt;&lt;option value="194"&gt;Pierre, S.D.&lt;/option&gt;&lt;option value="195"&gt;Pittsburgh, Pa.&lt;/option&gt;&lt;option value="196"&gt;Plymouth, England&lt;/option&gt;&lt;option value="197"&gt;Port Moresby, Papua New Guinea&lt;/option&gt;&lt;option value="198"&gt;Portland, Maine&lt;/option&gt;&lt;option value="199"&gt;Portland, Ore.&lt;/option&gt;&lt;option value="200"&gt;Prague, Czech Republic&lt;/option&gt;&lt;option value="201"&gt;Providence, R.I.&lt;/option&gt;&lt;option value="202"&gt;Quebec, Que., Can.&lt;/option&gt;&lt;option value="203"&gt;Raleigh, N.C.&lt;/option&gt;&lt;option value="204"&gt;Rangoon, Myanmar&lt;/option&gt;&lt;option value="205"&gt;Redding, CA&lt;/option&gt;&lt;option value="206"&gt;Reno, Nev.&lt;/option&gt;&lt;option value="207"&gt;Reykjavik, Iceland&lt;/option&gt;&lt;option value="208"&gt;Richfield, Utah&lt;/option&gt;&lt;option value="209"&gt;Richmond, Va.&lt;/option&gt;&lt;option value="210"&gt;Rio de Janeiro, Brazil&lt;/option&gt;&lt;option value="211"&gt;Roanoke, Va.&lt;/option&gt;&lt;option value="212"&gt;Rome, Italy&lt;/option&gt;&lt;option value="213"&gt;Sacramento, Calif.&lt;/option&gt;&lt;option value="214"&gt;Salem, Oregon&lt;/option&gt;&lt;option value="215"&gt;Salt Lake City, Utah&lt;/option&gt;&lt;option value="216"&gt;Salvador, Brazil&lt;/option&gt;&lt;option value="217"&gt;San Antonio, Tex.&lt;/option&gt;&lt;option value="218"&gt;San Diego, Calif.&lt;/option&gt;&lt;option value="219"&gt;San Francisco, Calif.&lt;/option&gt;&lt;option value="220"&gt;San Jose, Calif.&lt;/option&gt;&lt;option value="221"&gt;San Juan, P.R.&lt;/option&gt;&lt;option value="222"&gt;Santa Fe, N.M.&lt;/option&gt;&lt;option value="223"&gt;Santiago, Chile&lt;/option&gt;&lt;option value="224"&gt;Sao Paulo, Brazil&lt;/option&gt;&lt;option value="225"&gt;Savannah, Ga.&lt;/option&gt;&lt;option value="226"&gt;Scottsbluff, Neb.&lt;/option&gt;&lt;option value="227"&gt;Seattle, Wash.&lt;/option&gt;&lt;option value="228"&gt;Shanghai, China&lt;/option&gt;&lt;option value="229"&gt;Shreveport, La.&lt;/option&gt;&lt;option value="230"&gt;Singapore, Singapore&lt;/option&gt;&lt;option value="231"&gt;Sioux Falls, S.D.&lt;/option&gt;&lt;option value="232"&gt;Sitka, Alaska&lt;/option&gt;&lt;option value="233"&gt;Sogod, Southern Leyte, Philippines&lt;/option&gt;&lt;option value="234"&gt;Sofia, Bulgaria&lt;/option&gt;&lt;option value="235"&gt;South Lake Tahoe, CA&lt;/option&gt;&lt;option value="236"&gt;Spokane, Wash.&lt;/option&gt;&lt;option value="237"&gt;Springfield, Ill.&lt;/option&gt;&lt;option value="238"&gt;Springfield, Mass.&lt;/option&gt;&lt;option value="239"&gt;Springfield, Mo.&lt;/option&gt;&lt;option value="240"&gt;St. John, N.B., Can.&lt;/option&gt;&lt;option value="241"&gt;St. Louis, Mo.&lt;/option&gt;&lt;option value="242"&gt;St. Petersburg, Russia&lt;/option&gt;&lt;option value="243"&gt;Stockholm, Sweden&lt;/option&gt;&lt;option value="244"&gt;Susanville Ranch Park, CA&lt;/option&gt;&lt;option value="245"&gt;Sydney, Australia&lt;/option&gt;&lt;option value="246"&gt;Syracuse, N.Y.&lt;/option&gt;&lt;option value="247"&gt;Tacloban, Philippines&lt;/option&gt;&lt;option value="248"&gt;Tampa, Fla.&lt;/option&gt;&lt;option value="249"&gt;Tananarive, Madagascar&lt;/option&gt;&lt;option value="250"&gt;Teheran, Iran&lt;/option&gt;&lt;option value="251"&gt;Tokyo, Japan&lt;/option&gt;&lt;option value="252"&gt;Toledo, Ohio&lt;/option&gt;&lt;option value="253"&gt;Toronto, Ont., Can.&lt;/option&gt;&lt;option value="254"&gt;Tripoli, Libya&lt;/option&gt;&lt;option value="255"&gt;Tulsa, Okla.&lt;/option&gt;&lt;option value="256"&gt;Vancouver, B.C., Can.&lt;/option&gt;&lt;option value="257"&gt;Venice, Italy&lt;/option&gt;&lt;option value="258"&gt;Veracruz, Mexico&lt;/option&gt;&lt;option value="259"&gt;Victoria, B.C., Can.&lt;/option&gt;&lt;option value="260"&gt;Vienna, Austria&lt;/option&gt;&lt;option value="261"&gt;Virginia Beach, Va.&lt;/option&gt;&lt;option value="262"&gt;Vladivostok, Russia&lt;/option&gt;&lt;option value="263"&gt;Warsaw, Poland&lt;/option&gt;&lt;option value="264"&gt;Washington, D.C.&lt;/option&gt;&lt;option value="265"&gt;Weed, CA&lt;/option&gt;&lt;option value="266"&gt;Wellington, New Zealand&lt;/option&gt;&lt;option value="267"&gt;Wichita, Kan.&lt;/option&gt;&lt;option value="268"&gt;Wilmington, N.C.&lt;/option&gt;&lt;option value="269"&gt;Winnipeg, Man., Can.&lt;/option&gt;&lt;option value="270"&gt;Yellowstone, Wyoming&lt;/option&gt;&lt;option value="271"&gt;Yuba City, CA&lt;/option&gt;&lt;option value="272"&gt;Zurich, Switzerland&lt;/option&gt;&lt;option value="273"&gt;Seoul, South Korea&lt;/option&gt;&lt;option value="274"&gt;Pyongyang, North Korea&lt;/option&gt;&lt;option value="275"&gt;Taipei, Taiwan&lt;/option&gt;&lt;option value="276"&gt;Istanbul&lt;/option&gt;&lt;option value="277"&gt;Slooh, Canary Islands&lt;/option&gt;&lt;option value="278"&gt;Slooh, Chile&lt;/option&gt;&lt;option value="279"&gt;Geocenter&lt;/option&gt;&lt;option value="280"&gt;Custom location&lt;/option&gt;&lt;/select&gt; &lt;label class="classLblData" id="lblLatitudeCitiesA"&gt;Latitude&lt;/label&gt; &lt;input class="classTxtInput" id="txtLatitudeCitiesA" onkeydown="userTyping(true)" onkeyup="userTyping(false); manualCityA()" type="text" value="0"&gt; &lt;label class="classLblData" id="lblLongitudeCitiesA"&gt;Longitude&lt;/label&gt; &lt;input class="classTxtInput" id="txtLongitudeCitiesA" onkeydown="userTyping(true)" onkeyup="userTyping(false); manualCityA()" type="text" value="0" ;=""&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divCitiesB" style="visibility: hidden; left: 969px; top: 127px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblCitiesTitleB"&gt;Cities B&lt;/label&gt; &lt;input class="classBtnClose" id="btnCitiesCloseB" onclick="hideMe('divCitiesB')" type="button" value="x"&gt; &lt;select class="classSelect" id="selectCitiesB" onchange="changeCityB()"&gt;&lt;option value="1"&gt;Aberdeen, Scotland&lt;/option&gt;&lt;option value="2"&gt;Adelaide, Australia&lt;/option&gt;&lt;option value="3"&gt;Albany, N.Y.&lt;/option&gt;&lt;option value="4"&gt;Albuquerque, N.M.&lt;/option&gt;&lt;option value="5"&gt;Algiers, Algeria&lt;/option&gt;&lt;option value="6"&gt;Amarillo, Tex.&lt;/option&gt;&lt;option value="7"&gt;Amsterdam, Netherlands&lt;/option&gt;&lt;option value="8"&gt;Anchorage, Alaska&lt;/option&gt;&lt;option value="9"&gt;Ankara, Turkey&lt;/option&gt;&lt;option value="10"&gt;Asuncion, Paraguay&lt;/option&gt;&lt;option value="11"&gt;Athens, Greece&lt;/option&gt;&lt;option value="12"&gt;Atlanta, Ga.&lt;/option&gt;&lt;option value="13"&gt;Auckland, New Zealand&lt;/option&gt;&lt;option value="14"&gt;Austin, Tex.&lt;/option&gt;&lt;option value="15"&gt;Baker, Ore.&lt;/option&gt;&lt;option value="16"&gt;Baltimore, Md.&lt;/option&gt;&lt;option value="17"&gt;Bangkok, Thailand&lt;/option&gt;&lt;option value="18"&gt;Bangor, Maine&lt;/option&gt;&lt;option value="19"&gt;Barcelona, Spain&lt;/option&gt;&lt;option value="20"&gt;Barrow, Alaska&lt;/option&gt;&lt;option value="21"&gt;Beijing, China&lt;/option&gt;&lt;option value="22"&gt;Belem, Brazil&lt;/option&gt;&lt;option value="23"&gt;Belfast, Northern Ireland&lt;/option&gt;&lt;option value="24"&gt;Belgrade, Serbia&lt;/option&gt;&lt;option value="25"&gt;Berlin, Germany&lt;/option&gt;&lt;option value="26"&gt;Birmingham, Ala.&lt;/option&gt;&lt;option value="27"&gt;Birmingham, England&lt;/option&gt;&lt;option value="28"&gt;Bismarck, N.D.&lt;/option&gt;&lt;option value="29"&gt;Bogota, Colombia&lt;/option&gt;&lt;option value="30"&gt;Boise, Idaho&lt;/option&gt;&lt;option value="31"&gt;Mumbai, India&lt;/option&gt;&lt;option value="32"&gt;Bordeaux, France&lt;/option&gt;&lt;option value="33"&gt;Boston, Mass.&lt;/option&gt;&lt;option value="34"&gt;Bremen, Germany&lt;/option&gt;&lt;option value="35"&gt;Brisbane, Australia&lt;/option&gt;&lt;option value="36"&gt;Bristol, England&lt;/option&gt;&lt;option value="37"&gt;Brussels, Belgium&lt;/option&gt;&lt;option value="38"&gt;Bucharest, Romania&lt;/option&gt;&lt;option value="39"&gt;Budapest, Hungary&lt;/option&gt;&lt;option value="40"&gt;Buenos Aires, Argentina&lt;/option&gt;&lt;option value="41"&gt;Buffalo, N.Y.&lt;/option&gt;&lt;option value="42"&gt;Cairo, Egypt&lt;/option&gt;&lt;option value="43"&gt;Calcutta, India&lt;/option&gt;&lt;option value="44"&gt;Calgary, Alba., Can.&lt;/option&gt;&lt;option value="45"&gt;Canton, China&lt;/option&gt;&lt;option value="46"&gt;Cape Town, South Africa&lt;/option&gt;&lt;option value="47"&gt;Caracas, Venezuela&lt;/option&gt;&lt;option value="48"&gt;Carbondale, Illinois&lt;/option&gt;&lt;option value="49"&gt;Carlsbad, N.M.&lt;/option&gt;&lt;option value="50"&gt;Cayenne, French Guiana&lt;/option&gt;&lt;option value="51"&gt;Charleston, S.C.&lt;/option&gt;&lt;option value="52"&gt;Charleston, W. Va.&lt;/option&gt;&lt;option value="53"&gt;Charlotte, N.C.&lt;/option&gt;&lt;option value="54"&gt;Casper, Wyo.&lt;/option&gt;&lt;option value="55"&gt;Cheyenne, Wyo.&lt;/option&gt;&lt;option value="56"&gt;Chebarlul Lake, Russia&lt;/option&gt;&lt;option value="57"&gt;Chicago, Ill.&lt;/option&gt;&lt;option value="58"&gt;Chico, Ca&lt;/option&gt;&lt;option value="59"&gt;Chihuahua, Mexico&lt;/option&gt;&lt;option value="60"&gt;Chongqing, China&lt;/option&gt;&lt;option value="61"&gt;Christchurch, New Zealand&lt;/option&gt;&lt;option value="62"&gt;Cincinnati, Ohio&lt;/option&gt;&lt;option value="63"&gt;Cleveland, Ohio&lt;/option&gt;&lt;option value="64"&gt;Columbia, S.C.&lt;/option&gt;&lt;option value="65"&gt;Columbus, Ohio&lt;/option&gt;&lt;option value="66"&gt;Copenhagen, Denmark&lt;/option&gt;&lt;option value="67"&gt;Cordoba, Argentina&lt;/option&gt;&lt;option value="68"&gt;Crescent City, California&lt;/option&gt;&lt;option value="69"&gt;Dakar, Senegal&lt;/option&gt;&lt;option value="70"&gt;Dallas, Tex.&lt;/option&gt;&lt;option value="71"&gt;Darwin, Australia&lt;/option&gt;&lt;option value="72"&gt;Denver, Colo.&lt;/option&gt;&lt;option value="73"&gt;Des Moines, Iowa&lt;/option&gt;&lt;option value="74"&gt;Detroit, Mich.&lt;/option&gt;&lt;option value="75"&gt;Djibouti, Djibouti&lt;/option&gt;&lt;option value="76"&gt;Dublin, Ireland&lt;/option&gt;&lt;option value="77"&gt;Dubuque, Iowa&lt;/option&gt;&lt;option value="78"&gt;Duluth, Minn.&lt;/option&gt;&lt;option value="79"&gt;Durban, South Africa&lt;/option&gt;&lt;option value="80"&gt;Eastport, Maine&lt;/option&gt;&lt;option value="81"&gt;Edinburgh, Scotland&lt;/option&gt;&lt;option value="82"&gt;Edmonton, Alb., Can.&lt;/option&gt;&lt;option value="83"&gt;El Centro, Calif.&lt;/option&gt;&lt;option value="84"&gt;El Paso, Tex.&lt;/option&gt;&lt;option value="85"&gt;Eugene, Ore.&lt;/option&gt;&lt;option value="86"&gt;Fairfax, CA&lt;/option&gt;&lt;option value="87"&gt;Fargo, N.D.&lt;/option&gt;&lt;option value="88"&gt;Flagstaff, Ariz.&lt;/option&gt;&lt;option value="89"&gt;Fort Worth, Tex.&lt;/option&gt;&lt;option value="90"&gt;Frankfurt, Germany&lt;/option&gt;&lt;option value="91"&gt;Fresno, Calif.&lt;/option&gt;&lt;option value="92"&gt;Georgetown, Guyana&lt;/option&gt;&lt;option value="93"&gt;Glasgow, Scotland&lt;/option&gt;&lt;option value="94"&gt;Grand Island, Neb&lt;/option&gt;&lt;option value="95"&gt;Grand Junction, Colo.&lt;/option&gt;&lt;option value="96"&gt;Grand Rapids, Mich.&lt;/option&gt;&lt;option value="97"&gt;Guatemala City, Guatemala&lt;/option&gt;&lt;option value="98"&gt;Guayaquil, Ecuador&lt;/option&gt;&lt;option value="99"&gt;Hamburg, Germany&lt;/option&gt;&lt;option value="100"&gt;Hammerfest, Norway&lt;/option&gt;&lt;option value="101"&gt;Havana, Cuba&lt;/option&gt;&lt;option value="102"&gt;Havre, Mont.&lt;/option&gt;&lt;option value="103"&gt;Helena, Mont.&lt;/option&gt;&lt;option value="104"&gt;Helsinki, Finland&lt;/option&gt;&lt;option value="105"&gt;Hobart, Tasmania&lt;/option&gt;&lt;option value="106"&gt;Hong Kong, China&lt;/option&gt;&lt;option value="107"&gt;Honolulu, Hawaii&lt;/option&gt;&lt;option value="108"&gt;Hopkinsville, Kentucky&lt;/option&gt;&lt;option value="109"&gt;Hot Springs, Ark.&lt;/option&gt;&lt;option value="110"&gt;Houston, Tex.&lt;/option&gt;&lt;option value="111"&gt;Idaho Falls, Idaho&lt;/option&gt;&lt;option value="112"&gt;Indianapolis, Ind.&lt;/option&gt;&lt;option value="113"&gt;Iquique, Chile&lt;/option&gt;&lt;option value="114"&gt;Irkutsk, Russia&lt;/option&gt;&lt;option value="115"&gt;Jackson, Miss.&lt;/option&gt;&lt;option value="116"&gt;Jacksonville, Fla.&lt;/option&gt;&lt;option value="117"&gt;Jakarta, Indonesia&lt;/option&gt;&lt;option value="118"&gt;Jefferson City, Missouri&lt;/option&gt;&lt;option value="119"&gt;Johannesburg, South Africa&lt;/option&gt;&lt;option value="120"&gt;Juneau, Alaska&lt;/option&gt;&lt;option value="121"&gt;Kansas City, Mo.&lt;/option&gt;&lt;option value="122"&gt;Key West, Fla.&lt;/option&gt;&lt;option value="123"&gt;Kingston, Jamaica&lt;/option&gt;&lt;option value="124"&gt;Kingston, Ont., Can.&lt;/option&gt;&lt;option value="125"&gt;Kinshasa, Congo&lt;/option&gt;&lt;option value="126"&gt;Klamath Falls, Ore.&lt;/option&gt;&lt;option value="127"&gt;Knoxville, Tenn.&lt;/option&gt;&lt;option value="128"&gt;Kuala Lumpur, Malaysia&lt;/option&gt;&lt;option value="129"&gt;La Paz, Bolivia&lt;/option&gt;&lt;option value="130"&gt;Las Vegas, Nev.&lt;/option&gt;&lt;option value="131"&gt;Leeds, England&lt;/option&gt;&lt;option value="132"&gt;Lewiston, Idaho&lt;/option&gt;&lt;option value="133"&gt;Lima, Peru&lt;/option&gt;&lt;option value="134"&gt;Lincoln, Neb.&lt;/option&gt;&lt;option value="135"&gt;Lisbon, Portugal&lt;/option&gt;&lt;option value="136"&gt;Litchfield Park, AZ&lt;/option&gt;&lt;option value="137"&gt;Liverpool, England&lt;/option&gt;&lt;option value="138"&gt;London, England&lt;/option&gt;&lt;option value="139"&gt;London, Ont., Can.&lt;/option&gt;&lt;option value="140"&gt;Long Beach, Calif.&lt;/option&gt;&lt;option value="141"&gt;Los Angeles, Calif.&lt;/option&gt;&lt;option value="142"&gt;Louisville, Ky.&lt;/option&gt;&lt;option value="143"&gt;Lyons, France&lt;/option&gt;&lt;option value="144"&gt;Madrid, Spain&lt;/option&gt;&lt;option value="145"&gt;Manchester, England&lt;/option&gt;&lt;option value="146"&gt;Manchester, N.H.&lt;/option&gt;&lt;option value="147"&gt;Manila, Philippines&lt;/option&gt;&lt;option value="148"&gt;Marseilles, France&lt;/option&gt;&lt;option value="149"&gt;Mazatlan, Mexico&lt;/option&gt;&lt;option value="150"&gt;Mecca, Saudi Arabia&lt;/option&gt;&lt;option value="151"&gt;Melbourne, Australia&lt;/option&gt;&lt;option value="152"&gt;Memphis, Tenn.&lt;/option&gt;&lt;option value="153"&gt;Mexico City, Mexico&lt;/option&gt;&lt;option value="154"&gt;Miami, Fla.&lt;/option&gt;&lt;option value="155"&gt;Milan, Italy&lt;/option&gt;&lt;option value="156"&gt;Milwaukee, Wis.&lt;/option&gt;&lt;option value="157"&gt;Minneapolis, Minn.&lt;/option&gt;&lt;option value="158"&gt;Mobile, Ala.&lt;/option&gt;&lt;option value="159"&gt;Montevideo, Uruguay&lt;/option&gt;&lt;option value="160"&gt;Montgomery, Ala.&lt;/option&gt;&lt;option value="161"&gt;Montpelier, Vt.&lt;/option&gt;&lt;option value="162"&gt;Montreal, Que., Can.&lt;/option&gt;&lt;option value="163"&gt;Moose Jaw, Sask., Can.&lt;/option&gt;&lt;option value="164"&gt;Moscow, Russia&lt;/option&gt;&lt;option value="165"&gt;Munich, Germany&lt;/option&gt;&lt;option value="166"&gt;Nagasaki, Japan&lt;/option&gt;&lt;option value="167"&gt;Nagoya, Japan&lt;/option&gt;&lt;option value="168"&gt;Nairobi, Kenya&lt;/option&gt;&lt;option value="169"&gt;Nanjing (Nanking), China&lt;/option&gt;&lt;option value="170"&gt;Naples, Italy&lt;/option&gt;&lt;option value="171"&gt;Nashville, Tenn.&lt;/option&gt;&lt;option value="172"&gt;Nelson, B.C., Can.&lt;/option&gt;&lt;option value="173"&gt;New Delhi, India&lt;/option&gt;&lt;option value="174"&gt;New Haven, Conn.&lt;/option&gt;&lt;option value="175"&gt;New Orleans, La.&lt;/option&gt;&lt;option value="176"&gt;New York, N.Y.&lt;/option&gt;&lt;option value="177"&gt;Newark, N.J.&lt;/option&gt;&lt;option value="178"&gt;Newcastle-on-Tyne, England&lt;/option&gt;&lt;option value="179"&gt;Nome, Alaska&lt;/option&gt;&lt;option value="180"&gt;Oakland, Calif.&lt;/option&gt;&lt;option value="181"&gt;Odessa, Ukraine&lt;/option&gt;&lt;option value="182"&gt;Oklahoma City, Okla.&lt;/option&gt;&lt;option value="183"&gt;Omaha, Neb.&lt;/option&gt;&lt;option value="184"&gt;Osaka, Japan&lt;/option&gt;&lt;option value="185"&gt;Oslo, Norway&lt;/option&gt;&lt;option value="186"&gt;Ottawa, Ont., Can.&lt;/option&gt;&lt;option value="187"&gt;Paducah, Kentucky&lt;/option&gt;&lt;option value="188"&gt;Panama City, Panama&lt;/option&gt;&lt;option value="189"&gt;Paramaribo, Suriname&lt;/option&gt;&lt;option value="190"&gt;Paris, France&lt;/option&gt;&lt;option value="191"&gt;Perth, Australia&lt;/option&gt;&lt;option value="192"&gt;Philadelphia, Pa.&lt;/option&gt;&lt;option value="193"&gt;Phoenix, Ariz.&lt;/option&gt;&lt;option value="194"&gt;Pierre, S.D.&lt;/option&gt;&lt;option value="195"&gt;Pittsburgh, Pa.&lt;/option&gt;&lt;option value="196"&gt;Plymouth, England&lt;/option&gt;&lt;option value="197"&gt;Port Moresby, Papua New Guinea&lt;/option&gt;&lt;option value="198"&gt;Portland, Maine&lt;/option&gt;&lt;option value="199"&gt;Portland, Ore.&lt;/option&gt;&lt;option value="200"&gt;Prague, Czech Republic&lt;/option&gt;&lt;option value="201"&gt;Providence, R.I.&lt;/option&gt;&lt;option value="202"&gt;Quebec, Que., Can.&lt;/option&gt;&lt;option value="203"&gt;Raleigh, N.C.&lt;/option&gt;&lt;option value="204"&gt;Rangoon, Myanmar&lt;/option&gt;&lt;option value="205"&gt;Redding, CA&lt;/option&gt;&lt;option value="206"&gt;Reno, Nev.&lt;/option&gt;&lt;option value="207"&gt;Reykjavik, Iceland&lt;/option&gt;&lt;option value="208"&gt;Richfield, Utah&lt;/option&gt;&lt;option value="209"&gt;Richmond, Va.&lt;/option&gt;&lt;option value="210"&gt;Rio de Janeiro, Brazil&lt;/option&gt;&lt;option value="211"&gt;Roanoke, Va.&lt;/option&gt;&lt;option value="212"&gt;Rome, Italy&lt;/option&gt;&lt;option value="213"&gt;Sacramento, Calif.&lt;/option&gt;&lt;option value="214"&gt;Salem, Oregon&lt;/option&gt;&lt;option value="215"&gt;Salt Lake City, Utah&lt;/option&gt;&lt;option value="216"&gt;Salvador, Brazil&lt;/option&gt;&lt;option value="217"&gt;San Antonio, Tex.&lt;/option&gt;&lt;option value="218"&gt;San Diego, Calif.&lt;/option&gt;&lt;option value="219"&gt;San Francisco, Calif.&lt;/option&gt;&lt;option value="220"&gt;San Jose, Calif.&lt;/option&gt;&lt;option value="221"&gt;San Juan, P.R.&lt;/option&gt;&lt;option value="222"&gt;Santa Fe, N.M.&lt;/option&gt;&lt;option value="223"&gt;Santiago, Chile&lt;/option&gt;&lt;option value="224"&gt;Sao Paulo, Brazil&lt;/option&gt;&lt;option value="225"&gt;Savannah, Ga.&lt;/option&gt;&lt;option value="226"&gt;Scottsbluff, Neb.&lt;/option&gt;&lt;option value="227"&gt;Seattle, Wash.&lt;/option&gt;&lt;option value="228"&gt;Shanghai, China&lt;/option&gt;&lt;option value="229"&gt;Shreveport, La.&lt;/option&gt;&lt;option value="230"&gt;Singapore, Singapore&lt;/option&gt;&lt;option value="231"&gt;Sioux Falls, S.D.&lt;/option&gt;&lt;option value="232"&gt;Sitka, Alaska&lt;/option&gt;&lt;option value="233"&gt;Sogod, Southern Leyte, Philippines&lt;/option&gt;&lt;option value="234"&gt;Sofia, Bulgaria&lt;/option&gt;&lt;option value="235"&gt;South Lake Tahoe, CA&lt;/option&gt;&lt;option value="236"&gt;Spokane, Wash.&lt;/option&gt;&lt;option value="237"&gt;Springfield, Ill.&lt;/option&gt;&lt;option value="238"&gt;Springfield, Mass.&lt;/option&gt;&lt;option value="239"&gt;Springfield, Mo.&lt;/option&gt;&lt;option value="240"&gt;St. John, N.B., Can.&lt;/option&gt;&lt;option value="241"&gt;St. Louis, Mo.&lt;/option&gt;&lt;option value="242"&gt;St. Petersburg, Russia&lt;/option&gt;&lt;option value="243"&gt;Stockholm, Sweden&lt;/option&gt;&lt;option value="244"&gt;Susanville Ranch Park, CA&lt;/option&gt;&lt;option value="245"&gt;Sydney, Australia&lt;/option&gt;&lt;option value="246"&gt;Syracuse, N.Y.&lt;/option&gt;&lt;option value="247"&gt;Tacloban, Philippines&lt;/option&gt;&lt;option value="248"&gt;Tampa, Fla.&lt;/option&gt;&lt;option value="249"&gt;Tananarive, Madagascar&lt;/option&gt;&lt;option value="250"&gt;Teheran, Iran&lt;/option&gt;&lt;option value="251"&gt;Tokyo, Japan&lt;/option&gt;&lt;option value="252"&gt;Toledo, Ohio&lt;/option&gt;&lt;option value="253"&gt;Toronto, Ont., Can.&lt;/option&gt;&lt;option value="254"&gt;Tripoli, Libya&lt;/option&gt;&lt;option value="255"&gt;Tulsa, Okla.&lt;/option&gt;&lt;option value="256"&gt;Vancouver, B.C., Can.&lt;/option&gt;&lt;option value="257"&gt;Venice, Italy&lt;/option&gt;&lt;option value="258"&gt;Veracruz, Mexico&lt;/option&gt;&lt;option value="259"&gt;Victoria, B.C., Can.&lt;/option&gt;&lt;option value="260"&gt;Vienna, Austria&lt;/option&gt;&lt;option value="261"&gt;Virginia Beach, Va.&lt;/option&gt;&lt;option value="262"&gt;Vladivostok, Russia&lt;/option&gt;&lt;option value="263"&gt;Warsaw, Poland&lt;/option&gt;&lt;option value="264"&gt;Washington, D.C.&lt;/option&gt;&lt;option value="265"&gt;Weed, CA&lt;/option&gt;&lt;option value="266"&gt;Wellington, New Zealand&lt;/option&gt;&lt;option value="267"&gt;Wichita, Kan.&lt;/option&gt;&lt;option value="268"&gt;Wilmington, N.C.&lt;/option&gt;&lt;option value="269"&gt;Winnipeg, Man., Can.&lt;/option&gt;&lt;option value="270"&gt;Yellowstone, Wyoming&lt;/option&gt;&lt;option value="271"&gt;Yuba City, CA&lt;/option&gt;&lt;option value="272"&gt;Zurich, Switzerland&lt;/option&gt;&lt;option value="273"&gt;Seoul, South Korea&lt;/option&gt;&lt;option value="274"&gt;Pyongyang, North Korea&lt;/option&gt;&lt;option value="275"&gt;Taipei, Taiwan&lt;/option&gt;&lt;option value="276"&gt;Istanbul&lt;/option&gt;&lt;option value="277"&gt;Slooh, Canary Islands&lt;/option&gt;&lt;option value="278"&gt;Slooh, Chile&lt;/option&gt;&lt;option value="279"&gt;Geocenter&lt;/option&gt;&lt;option value="280"&gt;Custom location&lt;/option&gt;&lt;/select&gt; &lt;label class="classLblData" id="lblLatitudeCitiesB"&gt;Latitude&lt;/label&gt; &lt;input class="classTxtInput" id="txtLatitudeCitiesB" onkeydown="userTyping(true)" onkeyup="userTyping(false); manualCityB()" type="text" value="0"&gt; &lt;label class="classLblData" id="lblLongitudeCitiesB"&gt;Longitude&lt;/label&gt; &lt;input class="classTxtInput" id="txtLongitudeCitiesB" onkeydown="userTyping(true)" onkeyup="userTyping(false); manualCityB()" type="text" value="0" ;=""&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divToFromA" style="visibility: hidden; left: 161px; top: 344px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblToFromATitle"&gt;Frame A&lt;/label&gt; &lt;input class="classBtnClose" id="btnToFromAClose" onclick="hideMe('divToFromA')" type="button" value="x"&gt; &lt;span class="classLblData" id="lblTargetObjectA"&gt;Target object A&lt;/span&gt; &lt;select class="classSelect" id="selectTargetObjectA" onchange="changeTargetObjectA(); changeBarycenterA()"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;option value="10"&gt;Camera A&lt;/option&gt;&lt;option value="11"&gt;Camera B&lt;/option&gt;&lt;/select&gt; &lt;span class="classLblData" id="lblCameraObjectA"&gt;Camera object A&lt;/span&gt; &lt;select class="classSelect" id="selectCameraObjectA" onchange="changeCameraObjectA();"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;option value="10"&gt;Camera A&lt;/option&gt;&lt;option value="11"&gt;Camera B&lt;/option&gt;&lt;/select&gt; &lt;span class="classLblData" id="spanBarycenterCheckBoxA"&gt;Barycenter&lt;/span&gt; &lt;input class="classTxtInput" id="checkBarycenterPerspectiveA" onclick="changeBarycenterA();" type="checkbox" value="Barycenter"&gt; &lt;span class="classLblData" id="lblMinimumObjectSizeA"&gt;Minimum object size&lt;/span&gt; &lt;input class="classTxtInput" id="txtMinimumObjectSizeA" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeMinimumObjectSizeA()" type="text"&gt; &lt;span class="classLblData" id="lblTrailSizeA"&gt;Trail size&lt;/span&gt; &lt;input class="classTxtInput" id="txtTrailSizeA" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeTrailSizeA()" type="text"&gt; &lt;label class="classLblData" id="lblZoomA"&gt;Zoom&lt;/label&gt; &lt;input class="classBtnSmall" id="pZoomInA" onclick="pZoomInA()" type="button" value="+"&gt; &lt;input class="classTxtInput" id="txtFOVa" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"&gt; &lt;input class="classBtnSmall" id="pZoomOutA" onclick="pZoomOutA()" type="button" value="-"&gt; &lt;input class="classTxtInput" id="checkStarsA" onclick="if (checkStarsA.checked) {divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; starsOn = true} else {divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; starsOn = false}" type="checkbox"&gt; &lt;label class="classLblData" id="lblStarsA" for="checkStarsA"&gt;Stars&lt;/label&gt; &lt;input class="classTxtInput" id="checkStarsLabelsA" type="checkbox"&gt; &lt;input class="classTxtInput" id="checkStarsProperA" type="checkbox"&gt; &lt;label class="classLblData" id="lblStarsLabelsA" for="checkStarsLabelsA"&gt;Hip, Proper&lt;/label&gt; &lt;input class="classTxtInput" id="checkKBOsA" type="checkbox"&gt; &lt;label class="classLblData" id="lblKBOsA" for="checkKBOsA"&gt;Static KBOs&lt;/label&gt; &lt;input class="classTxtInput" id="checkPreTrailsA" onclick="checkKeplerCA.checked = checkPreTrailsA.checked; perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); if (checkKeplerCA.checked) {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; orbitsOn = true;} else {divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; orbitsOn = false;}" type="checkbox"&gt; &lt;label class="classLblData" id="lblPreTrailsA" for="checkPreTrailsA"&gt;Orbits&lt;/label&gt; &lt;input class="classTxtInput" id="checkCrescentsA" type="checkbox"&gt; &lt;label class="classLblData" id="lblCrescentsA" for="checkCrescentsA"&gt;Phases&lt;/label&gt; &lt;input class="classTxtInput" id="checkSunGraphicA" type="checkbox"&gt; &lt;label class="classLblData" id="lblSunGraphicA" for="checkSunGraphicA"&gt;Sun graphic&lt;/label&gt; &lt;input id="checkLabelsA" onclick="checkLabelsCA.checked = checkLabelsA.checked; if (checkLabelsCA.checked) {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; namesOn = true;} else {divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; namesOn = false;}" type="checkbox" value="Labels"&gt; &lt;label class="classLblData" id="lblLabelsA" for="checkLabelsA"&gt;Names&lt;/label&gt; &lt;input class="classTxtInput" id="txtFontA" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="bold 16px Arial"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divToFromB" style="visibility: hidden; left: 973px; top: 299px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblToFromBTitle"&gt;Frame B&lt;/label&gt; &lt;input class="classBtnClose" id="btnToFromBClose" onclick="hideMe('divToFromB')" type="button" value="x"&gt; &lt;span class="classLblData" id="lblTargetObjectB"&gt;Target object B&lt;/span&gt; &lt;select class="classSelect" id="selectTargetObjectB" onchange="changeTargetObjectB(); changeBarycenterB()"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;option value="10"&gt;Camera A&lt;/option&gt;&lt;option value="11"&gt;Camera B&lt;/option&gt;&lt;/select&gt; &lt;span class="classLblData" id="lblCameraObjectB"&gt;Camera object B&lt;/span&gt; &lt;select class="classSelect" id="selectCameraObjectB" onchange="changeCameraObjectB();"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;option value="10"&gt;Camera A&lt;/option&gt;&lt;option value="11"&gt;Camera B&lt;/option&gt;&lt;/select&gt; &lt;span class="classLblData" id="spanBarycenterCheckBoxB"&gt;Barycenter&lt;/span&gt; &lt;input class="classTxtInput" id="checkBarycenterPerspectiveB" onclick="changeBarycenterB();" type="checkbox" value="Barycenter"&gt; &lt;span class="classLblData" id="lblMinimumObjectSizeB"&gt;Minimum object size&lt;/span&gt; &lt;input class="classTxtInput" id="txtMinimumObjectSizeB" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeMinimumObjectSizeB()" type="text"&gt; &lt;span class="classLblData" id="lblTrailSizeB"&gt;Trail size&lt;/span&gt; &lt;input class="classTxtInput" id="txtTrailSizeB" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeTrailSizeB()" type="text"&gt; &lt;label class="classLblData" id="lblZoomB"&gt;Zoom&lt;/label&gt; &lt;input class="classBtnSmall" id="pZoomInB" onclick="pZoomInB()" type="button" value="+"&gt; &lt;input class="classTxtInput" id="txtFOVb" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"&gt; &lt;input class="classBtnSmall" id="pZoomOutB" onclick="pZoomOutB()" type="button" value="-"&gt; &lt;input class="classTxtInput" id="checkStarsB" type="checkbox"&gt; &lt;label class="classLblData" id="lblStarsB" for="checkStarsB"&gt;Stars&lt;/label&gt; &lt;input class="classTxtInput" id="checkStarsLabelsB" type="checkbox"&gt; &lt;label class="classLblData" id="lblStarsLabelsB" for="checkStarsLabelsB"&gt;Star labels&lt;/label&gt; &lt;input class="classTxtInput" id="checkKBOsB" type="checkbox"&gt; &lt;label class="classLblData" id="lblKBOsB" for="checkKBOsB"&gt;Static KBOs&lt;/label&gt; &lt;input class="classTxtInput" id="checkPreTrailsB" type="checkbox"&gt; &lt;label class="classLblData" id="lblPreTrailsB" for="checkPreTrailsB"&gt;Orbits&lt;/label&gt; &lt;input class="classTxtInput" id="checkCrescentsB" type="checkbox"&gt; &lt;label class="classLblData" id="lblCrescentsB" for="checkCrescentsB"&gt;Phases&lt;/label&gt; &lt;input class="classTxtInput" id="checkSunGraphicB" type="checkbox"&gt; &lt;label class="classLblData" id="lblSunGraphicB" for="checkSunGraphicB"&gt;Sun graphic&lt;/label&gt; &lt;input id="checkLabelsB" type="checkbox" value="Labels"&gt; &lt;label class="classLblData" id="lblLabelsB" for="checkLabelsB"&gt;Labels&lt;/label&gt; &lt;input class="classTxtInput" id="txtFontB" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="bold 16px Arial"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divPreferences" style="left: 432px; top: 265px; visibility: hidden;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblPreferencesTitle"&gt;Preferences&lt;/label&gt; &lt;input class="classBtnClose" id="btnPreferencesClose" onclick="hideMe('divPreferences')" type="button" value="x"&gt; &lt;label class="classLblData" id="lblDoEvents"&gt;Do events&lt;/label&gt; &lt;input class="classTxtInput" id="txtDoEvents" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeDoEvents()" type="text"&gt; &lt;label class="classLblData" id="lblSelectIntegrator"&gt;Integrator:&lt;/label&gt; &lt;select class="classSelect" id="selectIntegrator"&gt;&lt;option value="Euler"&gt;Euler-Cromer&lt;/option&gt;&lt;option value="RK4"&gt;RK4&lt;/option&gt; &lt;option value="RK4vtsc"&gt;RK4 variable time step with collisions&lt;/option&gt;&lt;option value="RK4vts"&gt;RK4 variable time step&lt;/option&gt;&lt;option value="RK4c"&gt;RK4 with collisions&lt;/option&gt;&lt;/select&gt; &lt;label class="classLblData" id="lblStepsPerRadian"&gt;Variable time step - steps per radian:&lt;/label&gt; &lt;input class="classTxtInput" id="txtStepsPerRadian" type="text" value="150"&gt; &lt;label class="classLblData" id="lblEventsDuration"&gt;Events duration&lt;/label&gt; &lt;input class="classTxtInput" id="txtEventsDuration" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeEventsDuration()" type="text"&gt; &lt;label class="classLblData" id="lblOpacity"&gt;Opacity&lt;/label&gt; &lt;input class="classTxtInput" id="txtOpacity" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeOpacity()" type="text"&gt; &lt;input id="checkMedia" onclick="addMedia()" type="checkbox"&gt; &lt;label class="classLblData" id="lblMedia" for="checkMedia"&gt;Media&lt;/label&gt; &lt;input id="checkRealTime" onclick="toggleRealTime()" type="checkbox"&gt; &lt;label class="classLblData" id="lblRealTime" for="checkRealTime"&gt;Real time&lt;/label&gt; &lt;/div&gt; &lt;div id="divLogo"&gt; &lt;a href="http://gravitysimulator.com"&gt;&lt;img id="imgLogo1" src="http://orbitsimulator.com/gravitySimulatorCloud/logo3.gif"&gt;&lt;/a&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divCollisionLog" style="visibility: hidden; left: 1071px; top: 0px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblCollisionLogTitle"&gt;Collision log&lt;/label&gt; &lt;input class="classBtnClose" id="btnCollisionLogClose" onclick="hideMe('divCollisionLog')" type="button" value="x"&gt; &lt;textarea id="txtAreaCollisionLog" readonly="readonly"&gt;&lt;/textarea&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divSimulationDescription" style="visibility: hidden; left: 105px; top: 141px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblSimulationDescriptionTitle"&gt;Simulation description&lt;/label&gt; &lt;input class="classBtnClose" id="btnSimulationDescriptionClose" onclick="hideMe('divSimulationDescription')" type="button" value="x"&gt; &lt;textarea id="txtAreaSimulationDescription" readonly="readonly"&gt;&lt;/textarea&gt; &lt;/div&gt; &lt;div class="ui-widget-content ui-draggable" id="divScreens" style="visibility: hidden; left: 162px; top: 151px;" onmouseover="document.getElementById('btnScreensClose').style.visibility='visible'" onmouseout="document.getElementById('btnScreensClose').style.visibility='hidden'"&gt; &lt;input class="btnClose" id="btnScreensClose" style="visibility: hidden;" onclick="document.getElementById('divScreens').style.visibility = 'hidden';&amp;#10; document.getElementById('btnScreensClose').style.visibility='hidden'" type="button" value="x"&gt; &lt;span id="lblScreens"&gt;Screens&lt;/span&gt;&lt;br&gt; &lt;table border="1"&gt; &lt;tbody&gt;&lt;tr&gt; &lt;td&gt;&lt;input id="checkTopDown" onclick="changeDisplayTopDown()" type="checkbox" ;=""&gt;&lt;label class="classTable" id="spanTable01" for="checkTopDown"&gt;Override&lt;/label&gt;&lt;/td&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable02"&gt;Top&lt;/span&gt;&lt;input id="txtTopDownTop" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeCanvasOutputSize()" type="text"&gt;&lt;/td&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable03"&gt;Left&lt;/span&gt;&lt;input id="txtTopDownLeft" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeCanvasOutputSize()" type="text"&gt;&lt;/td&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable04"&gt;Height&lt;/span&gt;&lt;input id="txtTopDownHeight" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeCanvasOutputSize()" type="text"&gt;&lt;/td&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable05"&gt;Width&lt;/span&gt;&lt;input id="txtTopDownWidth" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeCanvasOutputSize()" type="text"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable06"&gt;Perspective A&lt;/span&gt;&lt;input id="checkPerspectiveA" onclick="sizeFrames()" type="checkbox" ;=""&gt;&lt;/td&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable07"&gt;Top&lt;/span&gt;&lt;input id="txtPerspectiveATop" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeDisplayPerspective(); changeCanvasOutputSize()" type="text"&gt;&lt;/td&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable08"&gt;Left&lt;/span&gt;&lt;input id="txtPerspectiveALeft" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeDisplayPerspective(); changeCanvasOutputSize()" type="text"&gt;&lt;/td&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable09"&gt;Height&lt;/span&gt;&lt;input id="txtPerspectiveAHeight" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeDisplayPerspective(); changeCanvasOutputSize()" type="text"&gt;&lt;/td&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable10"&gt;Width&lt;/span&gt;&lt;input id="txtPerspectiveAWidth" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeDisplayPerspective(); changeCanvasOutputSize()" type="text"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable11"&gt;Perspective B&lt;/span&gt;&lt;input id="checkPerspectiveB" onclick="sizeFrames(); changeCanvasOutputSize()" type="checkbox"&gt;&lt;/td&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable12"&gt;Top&lt;/span&gt;&lt;input id="txtPerspectiveBTop" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeDisplayPerspective(); changeCanvasOutputSize()" type="text"&gt;&lt;/td&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable13"&gt;Left&lt;/span&gt;&lt;input id="txtPerspectiveBLeft" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeDisplayPerspective(); changeCanvasOutputSize()" type="text"&gt;&lt;/td&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable14"&gt;Height&lt;/span&gt;&lt;input id="txtPerspectiveBHeight" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeDisplayPerspective(); changeCanvasOutputSize()" type="text"&gt;&lt;/td&gt; &lt;td&gt;&lt;span class="classTable" id="spanTable15"&gt;Width&lt;/span&gt;&lt;input id="txtPerspectiveBWidth" onkeydown="userTyping(true)" onkeyup="userTyping(false); changeDisplayPerspective(); changeCanvasOutputSize()" type="text"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/tbody&gt;&lt;/table&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divQuickHelp" style="visibility: hidden; left: 252px; top: 287px;" onresize="txtAreaQuickHelp.width = divQuickHelp.width"&gt; &lt;label class="classControlTitle" id="lblQuickHelpTitle"&gt;Quick help&lt;/label&gt; &lt;input class="classBtnClose" id="btnQuickHelpClose" onclick="hideMe('divQuickHelp')" type="button" value="x"&gt; &lt;textarea id="txtAreaQuickHelp" onkeydown="userTyping(true)" onkeyup="userTyping(false)"&gt;&lt;/textarea&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divAPsingleEvents" style="visibility: hidden; left: 196px; top: 187px;"&gt; &lt;label class="classControlTitle" id="lblAPsingleEventsTitle"&gt;Autopilot single events&lt;/label&gt; &lt;input class="classBtnClose" id="btnAPsingleEventsClose" onclick="hideMe('divAPsingleEvents')" type="button" value="x"&gt; &lt;textarea id="txtAreaAPsingleEvents" onkeydown="userTyping(true)" onkeyup="userTyping(false)"&gt;&lt;/textarea&gt; &lt;input class="classBtn" id="btnAPsingleEventsUpdate" onclick="updateAPsingleEvents()" type="button" value="Update"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divAPnow" style="left: 227px; top: 209px; visibility: hidden;"&gt; &lt;label class="classControlTitle" id="lblAPnowTitle"&gt;Autopilot now&lt;/label&gt; &lt;input class="classBtnClose" id="btnAPnowClose" onclick="hideMe('divAPnow')" type="button" value="x"&gt; &lt;textarea id="txtAreaAPnow" onkeydown="userTyping(true)" onkeyup="userTyping(false)"&gt;&lt;/textarea&gt; &lt;input class="classBtn" id="btnAPnowUpdate" onclick="updateAPnow()" type="button" value="Update"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divAPperIteration" style="visibility: hidden; left: 254px; top: 231px;"&gt; &lt;label class="classControlTitle" id="lblAPperIterationTitle"&gt;Autopilot per iteration&lt;/label&gt; &lt;input class="classBtnClose" id="btnAPperIterationClose" onclick="hideMe('divAPperIteration')" type="button" value="x"&gt; &lt;textarea id="txtAreaAPperIteration" onkeydown="userTyping(true)" onkeyup="userTyping(false)"&gt;&lt;/textarea&gt; &lt;input class="classBtn" id="btnAPperIterationUpdate" onclick="updateAPperIteration()" type="button" value="Update"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divAPperGraphicUpdate" style="visibility: hidden; left: 280px; top: 253px;"&gt; &lt;label class="classControlTitle" id="lblAPperGraphicUpdateTitle"&gt;Autopilot per graphic update&lt;/label&gt; &lt;input class="classBtnClose" id="btnAPperGraphicUpdateClose" onclick="hideMe('divAPperGraphicUpdate')" type="button" value="x"&gt; &lt;textarea id="txtAreaAPperGraphicUpdate" onkeydown="userTyping(true)" onkeyup="userTyping(false)"&gt;var d = UTC(elapsedTime * 1000 + startDate); var arrd = d.split(" "); var arrd2 = arrd[4].split(":"); d = ''; d = d + arrd[1]; //Month d = d + " " + arrd[2]; //Date d = d + " " + arrd[3]; //Year d = d + " " + arrd2[0]; //Hour d = d + ":" + arrd2[1]; //colon and minute d = d + ":" + arrd2[2]; //colon and second d = d + " UTC"; var oString = d; julianDate = elapsedTime / 86400 + julianStartDate / 86400; oString += "&amp;amp;nbsp&amp;amp;nbsp&amp;amp;nbsp&amp;amp;nbsp JD " + julianDate.toFixed(6); var c = new Date(); c.setTime(elapsedTime * 1000 + startDate); oString +="&amp;lt;br&amp;gt;"+currentDate + "&amp;lt;br&amp;gt;"; oString += "&amp;lt;table&amp;gt;"; oString += "&amp;lt;tr&amp;gt;&amp;lt;td style='text-align:left'&amp;gt;Earth:&amp;lt;/td&amp;gt;&amp;lt;td style = 'text-align: right; padding-left: 20px'&amp;gt;"; if (distance(4,objects)/LD &amp;lt; 20) { oString += (distance (4, objects) / LD).toFixed(3) + " LD"; } else { oString += (distance(4, objects) / AU).toFixed(3) + " AU"; } oString += "&amp;lt;/td&amp;gt;&amp;lt;td style = 'text-align: right; padding-left: 20px'&amp;gt;"; oString += (speed(4, objects) / 1000).toFixed(3) + " km/s"; oString += "&amp;lt;/td&amp;gt;&amp;lt;/tr&amp;gt;"; oString +="&amp;lt;tr&amp;gt;&amp;lt;td style='text-align:left'&amp;gt;Sun: &amp;lt;/td&amp;gt;&amp;lt;td ; style = 'text-align: right; padding-left: 20px'&amp;gt;"; oString += (distance(1, objects) / AU).toFixed(3) + " AU&amp;lt;/td&amp;gt;&amp;lt;td style = 'text-align: right; padding-left: 40px'&amp;gt;"; oString += (speed(1, objects) / 1000).toFixed(3) + " km/s&amp;lt;/td&amp;gt;&amp;lt;/tr&amp;gt;&amp;lt;/table&amp;gt;"; divInBlank.innerHTML = oString;&lt;/textarea&gt; &lt;input class="classBtn" id="btnAPperGraphicUpdateUpdate" onclick="updateAPperGraphicUpdate()" type="button" value="Update"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divScreenShotImage" style="visibility: hidden; left: 97px; top: 282px;"&gt; &lt;label class="classControlTitle" id="lblScreenShotImageTitle"&gt;Screen shot&lt;/label&gt; &lt;input class="classBtnClose" id="btnScreenShotImageClose" onclick="hideMe('divScreenShotImage')" type="button" value="x"&gt; &lt;img id="imgScreenShotImage"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divScreenShots" style="visibility: hidden; left: 419px; top: 183px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblScreenShotsTitle"&gt;Screen shots&lt;/label&gt; &lt;label class="classLblData" id="lblScreenShotsDimensions"&gt;Dimensions (&lt;i&gt;x&lt;/i&gt;, &lt;i&gt;y&lt;/i&gt;)&lt;/label&gt; &lt;input class="classTxtInput" id="txtScreenShotDimensions" onchange="changeCanvasOutputSizeOverride()" type="text"&gt; &lt;input id="btnTakeScreenShots" onclick="saveCanvasImage()" type="button" value="Take screen shot"&gt; &lt;input id="checkScreenShotsCls" type="checkbox"&gt; &lt;label class="classLblData" id="lblScreenShotsCls" for="checkScreenShotsCls"&gt;Clear screen after screen shot&lt;/label&gt; &lt;input id="checkScreenShotsAforeground" onchange="changeCanvasOutputSize()" type="checkbox"&gt; &lt;label class="classLblData" id="lblscreenShotsAforeground" for="checkscreenshotsaforeground"&gt;Frame A foreground&lt;/label&gt; &lt;input id="checkScreenShotsAbackground" onchange="changeCanvasOutputSize()" type="checkbox"&gt; &lt;label class="classLblData" id="lblscreenShotsAbackground" for="checkscreenshotsabackground"&gt;Frame A background&lt;/label&gt; &lt;label class="classLblData" id="lblScreenShotsAposition"&gt;Frame A position (&lt;i&gt;x&lt;/i&gt;, &lt;i&gt;y&lt;/i&gt;)&lt;/label&gt; &lt;input class="classTxtInput" id="txtScreenShotsAposition" type="text"&gt; &lt;input id="checkScreenShotsBforeground" onchange="changeCanvasOutputSize()" type="checkbox"&gt; &lt;label class="classLblData" id="lblscreenShotsBforeground" for="" 'checkscreenshotsbforeground'=""&gt;Frame B foreground&lt;/label&gt; &lt;input id="checkScreenShotsBbackground" onchange="changeCanvasOutputSize()" type="checkbox"&gt; &lt;label class="classLblData" id="lblscreenShotsBbackground" for="" 'checkscreenshotsbbackground'=""&gt;Frame B background&lt;/label&gt; &lt;label class="classLblData" id="lblScreenShotsBposition"&gt;Frame B position (&lt;i&gt;x&lt;/i&gt;, &lt;i&gt;y&lt;/i&gt;)&lt;/label&gt; &lt;input class="classTxtInput" id="txtScreenShotsBposition" type="text"&gt; &lt;label class="classLblData" id="lblScreenShotData"&gt;&lt;/label&gt; &lt;input class="classBtnClose" id="btnScreenShotsClose" onclick="hideMe('divScreenShots')" type="button" value="x"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divVectors" style="visibility: hidden; left: 161px; top: 365px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblVectorsTitle"&gt;Vectors&lt;/label&gt; &lt;input class="classBtnClose" id="btnVectorsClose" onclick="hideMe('divVectors')" type="button" value="x"&gt; &lt;select class="classSelect" id="selectvectorObj1A" onchange="changeVectorObjects()" document.getelementbyid('selectvectorobj1a').style.visibility="hidden"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;option value="10"&gt;Camera A&lt;/option&gt;&lt;option value="11"&gt;Camera B&lt;/option&gt;&lt;/select&gt; &lt;select class="classSelect" id="selectvectorObj2A" onchange="changeVectorObjects()" document.getelementbyid('selectvectorobj2a').style.visibility="hidden"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;/select&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt; &lt;input class="classBtnUnit" id="btnPositionUnits" onclick="changePositionUnits()" type="button" value="Position x, y, z (km)"&gt; &lt;input class="classTxtInput" id="txtObjx" onkeydown="userTyping(true)" onkeyup="userTyping(false); updateVectors()" type="text"&gt; &lt;input class="classTxtInput" id="txtObjy" onkeydown="userTyping(true)" onkeyup="userTyping(false); updateVectors()" type="text"&gt; &lt;input class="classTxtInput" id="txtObjz" onkeydown="userTyping(true)" onkeyup="userTyping(false); updateVectors()" type="text"&gt; &lt;input class="classBtnUnit" id="btnVelocityUnits" onclick="changeVelocityUnits('btnVelocityUnits')" type="button" value="Velocity x, y, z (km/s)"&gt; &lt;input class="classTxtInput" id="txtObjvx" onkeydown="userTyping(true)" onkeyup="userTyping(false); updateVectors()" type="text"&gt; &lt;input class="classTxtInput" id="txtObjvy" onkeydown="userTyping(true)" onkeyup="userTyping(false); updateVectors()" type="text"&gt; &lt;input class="classTxtInput" id="txtObjvz" onkeydown="userTyping(true)" onkeyup="userTyping(false); " type="text" updatevectors()';=""&gt; &lt;span id="lblDistanceAndSpeed"&gt;Distance and speed&lt;/span&gt; &lt;input class="classLblData" id="txtDistance" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"&gt; &lt;input class="classLblData" id="txtSpeed" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text"&gt; &lt;span id="spanTangentialSpeedVectors"&gt;Tangential speed&lt;/span&gt; &lt;span class="classLblData" id="lblTangentialSpeedVectors"&gt;NaN&lt;/span&gt; &lt;span id="spanRadialVelocityVectors"&gt;Radial velocity&lt;/span&gt; &lt;span class="classLblData" id="lblRadialVelocityVectors"&gt;NaN&lt;/span&gt; &lt;/p&gt;&lt;/div&gt; &lt;div class="ui-widget-content ui-draggable" id="divEccentricity" onmouseover="document.getElementById('btnEccentricityClose').style.visibility='visible'" onmouseout="document.getElementById('btnEccentricityClose').style.visibility='hidden'"&gt; &lt;span id="lblDivEccentricity"&gt;Eccentricity&lt;/span&gt;&lt;br&gt; &lt;span id="lblEccentricity"&gt;0.08131132905954623&lt;/span&gt; &lt;input class="btnClose" id="btnEccentricityClose" onclick="document.getElementById('divEccentricity').style.visibility = 'hidden'; document.getElementById('btnEccentricityClose').style.visibility='hidden'" type="button" value="x"&gt; &lt;/div&gt; &lt;div class="ui-widget-content ui-draggable" id="divSMA" onmouseover="document.getElementById('btnSMAClose').style.visibility='visible'" onmouseout="document.getElementById('btnSMAClose').style.visibility='hidden'"&gt; &lt;span id="lblDivSMA"&gt;Semi-major axis (AU)&lt;/span&gt;&lt;br&gt; &lt;span id="lblSMA"&gt;0.3737352523626572&lt;/span&gt; &lt;input class="btnClose" id="btnSMAClose" onclick="document.getElementById('divSMA').style.visibility = 'hidden'; document.getElementById('btnSMAClose').style.visibility='hidden'" type="button" value="x"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divImportObjectsLite" style="visibility: hidden; left: 365px; top: 298px;"&gt; &lt;label class="classControlTitle" id="lblImportObjectsLiteTitle"&gt;Import object&lt;/label&gt; &lt;input class="classBtnClose" id="btnImportObjectsLiteClose" onclick="hideMe('divImportObjectsLite')" type="button" value="x"&gt; &lt;input class="classTxtInput" id="txtImportObjectsLite" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" ;=""&gt; &lt;label class="classLblData" id="lblImportObjectsLite"&gt;Importing 2018 AF1 -- (2018 AF1) &lt;/label&gt; &lt;input class="classBtn" id="btnImportObjectsLite" onclick="importAnObject()" type="button" value="Import"&gt; &lt;input class="color classTxtColor" id="txtImportColor" style="background-image: none; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);" type="text" readonly="readonly" autocomplete="off"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divImportObjects" style="visibility: hidden; left: 266px; top: 162px;"&gt; &lt;label class="classControlTitle" id="lblImportObjectsTitle"&gt;Import objects&lt;/label&gt; &lt;input class="classBtnClose" id="btnImportObjectsClose" onclick="hideMe('divImportObjects')" type="button" value="x"&gt; &lt;input class="classTxtInput" id="checkDeleteExistingObjects" type="checkbox" checked="checked"&gt; &lt;label class="classLblData" id="lblDeleteExistingObjects" for="" 'checkdeleteexistingobjects'=""&gt;Delete existing objects&lt;/label&gt; &lt;label class="classLblData" id="lblImportSetTimeDateAndTime"&gt;Date and Time (UTC)&lt;/label&gt; &lt;input class="classTxtInput" id="txtImportSetDateAndTime" type="text"&gt; &lt;input class="classBtn" id="btnImportNow" onclick="setCurrentTime()" type="button" value="Now"&gt; &lt;div id="divImportButtons"&gt; &lt;input class="classBtn" id="btnPlanetsLuna" onclick="importPlanetsLuna()" type="button" value="Planets and Luna"&gt; &lt;input class="classBtn" id="btnPlanetsLunaPluto" onclick="importPlanetsLunaPluto()" type="button" value="Planets and Luna and Pluto"&gt; &lt;input class="classBtn" id="btnMajorKBOsTNOs" onclick="importKBOsTNOs()" type="button" value="Major KBOs and TNOs"&gt; &lt;input class="classBtn" id="btnMajorAsteroids" onclick="importMajorAsteroids()" type="button" value="Major asteroids"&gt; &lt;input class="classBtn" id="btnPhobosDeimos" onclick="importPhobosDeimos()" type="button" value="Phobos and Deimos"&gt; &lt;input class="classBtn" id="btnGalilianMoons" onclick="importGalilianMoons()" type="button" value="Galilian moons"&gt; &lt;input class="classBtn" id="btnJovianMoons" onclick="importJovianMoons()" type="button" value="Jovian moons"&gt; &lt;input class="classBtn" id="btnSaturianMoons" onclick="importSaturianMoons()" type="button" value="Saturn's moons"&gt; &lt;input class="classBtn" id="btnUranianMoons" onclick="importUranianMoons()" type="button" value="Uranus' moons"&gt; &lt;input class="classBtn" id="btnNeptuneMoons" onclick="importNeptuneMoons()" type="button" value="Neptune's moons"&gt; &lt;input class="classBtn" id="btnPlutoMoons" onclick="importPlutoMoons()" type="button" value="Pluto's moons"&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt; &lt;/p&gt;&lt;/div&gt; &lt;textarea id="txtAreaObjects" onkeydown="userTyping(true)" onkeyup="userTyping(false)"&gt;&lt;/textarea&gt;&lt;p&gt;&lt;/p&gt;&lt;p&gt; &lt;input class="classBtn" id="btnImportObjects" onclick="importObjects()" type="button" value="Import"&gt; &lt;/p&gt;&lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divDeleteObjects" style="left: 199px; top: 41px; visibility: hidden;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblDeleteObjectsTitle"&gt;Delete objects&lt;/label&gt; &lt;div id="divDeleteList"&gt;&lt;input id="checkDEL1" type="checkbox"&gt;&lt;label class="classLblData" id="lblDEL1" for="checkDEL1"&gt;Tau Ceti&lt;/label&gt;&lt;br&gt;&lt;input id="checkDEL2" type="checkbox"&gt;&lt;label class="classLblData" id="lblDEL2" for="checkDEL2"&gt;Tau Ceti b&lt;/label&gt;&lt;br&gt;&lt;input id="checkDEL3" type="checkbox"&gt;&lt;label class="classLblData" id="lblDEL3" for="checkDEL3"&gt;Tau Ceti c&lt;/label&gt;&lt;br&gt;&lt;input id="checkDEL4" type="checkbox"&gt;&lt;label class="classLblData" id="lblDEL4" for="checkDEL4"&gt;Tau Ceti d&lt;/label&gt;&lt;br&gt;&lt;input id="checkDEL5" type="checkbox"&gt;&lt;label class="classLblData" id="lblDEL5" for="checkDEL5"&gt;Tau Ceti e&lt;/label&gt;&lt;br&gt;&lt;input id="checkDEL6" type="checkbox"&gt;&lt;label class="classLblData" id="lblDEL6" for="checkDEL6"&gt;Tau Ceti f&lt;/label&gt;&lt;br&gt;&lt;input id="checkDEL7" type="checkbox"&gt;&lt;label class="classLblData" id="lblDEL7" for="checkDEL7"&gt;Tau Ceti g&lt;/label&gt;&lt;br&gt;&lt;input id="checkDEL8" type="checkbox"&gt;&lt;label class="classLblData" id="lblDEL8" for="checkDEL8"&gt;Tau Ceti h&lt;/label&gt;&lt;br&gt;&lt;input id="checkDEL9" type="checkbox"&gt;&lt;label class="classLblData" id="lblDEL9" for="checkDEL9"&gt;Doze-Planet&lt;/label&gt;&lt;br&gt;&lt;/div&gt; &lt;input class="classBtn" id="btnDeleteList" onclick="deleteObjects()" type="button" value="Delete selected"&gt; &lt;input class="classBtn" id="btnDeleteExistingObjects" onclick="deleteAll()" type="button" value="Delete all"&gt; &lt;input class="classBtnClose" id="btnDeleteObjectsClose" onclick="hideMe('divDeleteObjects')" type="button" value="x"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divPreTrailObjectList" style="left: 341px; top: 99px; visibility: hidden;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblPreTrailObjectListTitle"&gt;Generate Orbits&lt;/label&gt; &lt;div id="divPTOList"&gt;&lt;input id="checkPT1" type="checkbox"&gt;&lt;label class="classLblData" id="lblPT1" for="checkPT1"&gt;Tau Ceti&lt;/label&gt;&lt;br&gt;&lt;input id="checkPT2" type="checkbox"&gt;&lt;label class="classLblData" id="lblPT2" for="checkPT2"&gt;Tau Ceti b&lt;/label&gt;&lt;br&gt;&lt;input id="checkPT3" type="checkbox"&gt;&lt;label class="classLblData" id="lblPT3" for="checkPT3"&gt;Tau Ceti c&lt;/label&gt;&lt;br&gt;&lt;input id="checkPT4" type="checkbox"&gt;&lt;label class="classLblData" id="lblPT4" for="checkPT4"&gt;Tau Ceti d&lt;/label&gt;&lt;br&gt;&lt;input id="checkPT5" type="checkbox"&gt;&lt;label class="classLblData" id="lblPT5" for="checkPT5"&gt;Tau Ceti e&lt;/label&gt;&lt;br&gt;&lt;input id="checkPT6" type="checkbox"&gt;&lt;label class="classLblData" id="lblPT6" for="checkPT6"&gt;Tau Ceti f&lt;/label&gt;&lt;br&gt;&lt;input id="checkPT7" type="checkbox"&gt;&lt;label class="classLblData" id="lblPT7" for="checkPT7"&gt;Tau Ceti g&lt;/label&gt;&lt;br&gt;&lt;input id="checkPT8" type="checkbox"&gt;&lt;label class="classLblData" id="lblPT8" for="checkPT8"&gt;Tau Ceti h&lt;/label&gt;&lt;br&gt;&lt;input id="checkPT9" type="checkbox"&gt;&lt;label class="classLblData" id="lblPT9" for="checkPT9"&gt;Doze-Planet&lt;/label&gt;&lt;br&gt;&lt;/div&gt; &lt;input class="classBtn" id="btnPreTrailObject" onclick="createPreTrails()" type="button" value="Generate"&gt; &lt;input class="classBtnClose" id="btnPreTrailObjectListClose" onclick="hideMe('divPreTrailObjectList')" type="button" value="x"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divClones" style="visibility: hidden; z-index: 10; left: 251px; top: 127px;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblClonesTitle"&gt;Create object with clones&lt;/label&gt; &lt;input class="classBtnClose" id="btnClonesClose" onclick="hideMe('divClones')" type="button" value="x"&gt; &lt;label class="classLblData" id="lblClonesPaste"&gt;Paste source code here&lt;/label&gt; &lt;input class="classTxtInput" id="txtClonesPaste" type="text"&gt; &lt;input class="classBtn" id="btnClonesPaste" onclick="populateCovarianceMatrix()" type="button" value="Populate covariance matrix"&gt; &lt;table class="classLblData" id="tableCloneElements" border="1"&gt; &lt;tbody&gt;&lt;tr&gt;&lt;td&gt;(JD, n)&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtJD" type="text" value="2455365.5" td="" )&lt;=""&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtNclones" type="text"&gt;&lt;/td&gt;&lt;td&gt;&lt;label class="classLblData" id="lblClonedObjectName"&gt;2007 WD5&lt;/label&gt;&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt;&lt;td&gt;(e, q, tp)&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtnEcc" type="text" value=".1264166503745047"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtnq" type="text" value="2.755053229767674"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtnTp" type="text" value="2455525.258613222718"&gt;&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt;&lt;td&gt;(node, peri, i)&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtnNode" type="text" value="124.3122969912694"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtnPeri" type="text" value="286.9360372037381"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtnInc" type="text" value="27.39981009912621"&gt;&lt;/td&gt;&lt;/tr&gt; &lt;/tbody&gt;&lt;/table&gt; &lt;!-- pre-populate with 2006 AA at Epoch 2455365.5 (2010-Jun-18.0)--&gt; &lt;table class="classLblData" id="tableCloneCovarianceMatrix"&gt; &lt;tbody&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;e&lt;/td&gt;&lt;td&gt;q&lt;/td&gt;&lt;td&gt;tp&lt;/td&gt;&lt;td&gt;node&lt;/td&gt;&lt;td&gt;peri&lt;/td&gt;&lt;td&gt;i&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt;&lt;td&gt;e &lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov11" type="text" value="1.256493863742578E-14"&gt; &lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov12" type="text" value="-3.737499676885835E-14"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov13" type="text" value="2.492967729016577E-12"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov14" type="text" value="-8.232821912270769E-15"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov15" type="text" value="-1.050649910011074E-13"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov16" type="text" value="-2.888856910680375E-14"&gt;&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt;&lt;td&gt;q &lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov21" type="text" value="-3.737499676885835E-14"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov22" type="text" value="1.184105292855541E-13"&gt;&lt;/td&gt;&lt;td&gt; &lt;input class="classTxtInput" id="txtCov23" type="text" value="1.08665669987453E-11"&gt; &lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov24" type="text" value="3.826745839277628E-14"&gt; &lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov25" type="text" value="3.440271904983499E-12"&gt;&lt;/td&gt; &lt;td&gt;&lt;input class="classTxtInput" id="txtCov26" type="text" value="9.955185933555504E-14"&gt;&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt;&lt;td&gt;tp &lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov31" type="text" value="2.492967729016577E-12"&gt; &lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov32" type="text" value="1.08665669987453E-11"&gt;&lt;/td&gt;&lt;td&gt; &lt;input class="classTxtInput" id="txtCov33" type="text" value="1.286267586657627E-7"&gt; &lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov34" type="text" value="6.423207666821493E-11"&gt; &lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov35" type="text" value="2.287005522814516E-8"&gt;&lt;/td&gt; &lt;td&gt;&lt;input class="classTxtInput" id="txtCov36" type="text" value="4.776368038655077E-12"&gt;&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt;&lt;td&gt;node&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov41" type="text" value="-8.232821912270769E-15"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov42" type="text" value="3.826745839277628E-14"&gt;&lt;/td&gt;&lt;td&gt; &lt;input class="classTxtInput" id="txtCov43" type="text" value="6.423207666821493E-11"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov44" type="text" value="5.448612714195269E-10"&gt; &lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov45" type="text" value="-4.691034007504948E-10"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov46" type="text" value="2.775940320101119E-11"&gt;&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt;&lt;td&gt;peri&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov51" type="text" value="-1.050649910011074E-13"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov52" type="text" value="3.440271904983499E-12"&gt;&lt;/td&gt;&lt;td&gt; &lt;input class="classTxtInput" id="txtCov53" type="text" value="2.287005522814516E-8"&gt; &lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov54" type="text" value="-4.691034007504948E-10"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov55" type="text" value="4.590982230201347E-9"&gt;&lt;/td&gt; &lt;td&gt;&lt;input class="classTxtInput" id="txtCov56" type="text" value="-2.053773610023171E-11"&gt;&lt;/td&gt;&lt;/tr&gt; &lt;tr&gt;&lt;td&gt;i &lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov61" type="text" value="-2.888856910680375E-14"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov62" type="text" value="9.955185933555504E-14"&gt;&lt;/td&gt;&lt;td&gt; &lt;input class="classTxtInput" id="txtCov63" type="text" value="4.776368038655077E-12"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov64" type="text" value="2.775940320101119E-11"&gt; &lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov65" type="text" value="-2.053773610023171E-11"&gt;&lt;/td&gt;&lt;td&gt;&lt;input class="classTxtInput" id="txtCov66" type="text" value="1.70215905699744E-10"&gt;&lt;/td&gt;&lt;/tr&gt; &lt;/tbody&gt;&lt;/table&gt; &lt;input class="classBtn" id="btnCreateClones" onclick="createObjectWithClones()" type="button" value="Create"&gt; &lt;/div&gt; &lt;div class="classControlDiv ui-draggable" id="divCreateObjects" style="left: 262px; top: 134px; visibility: hidden;" onmouseover="hideAllMenuButtons()"&gt; &lt;label class="classControlTitle" id="lblCreateObjectsTitle"&gt;Create objects&lt;/label&gt; &lt;input class="classBtnClose" id="btnCreateObjectsClose" onclick="hideMe('divCreateObjects')" type="button" value="x"&gt; &lt;table id="tblCreateObjects" style="color:cyan" border="1"&gt; &lt;tbody&gt;&lt;tr&gt; &lt;td&gt;____Number_of_objects&lt;/td&gt; &lt;td style="text-align:right"&gt; &lt;input id="txtNumberOfObjectsCreated" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="1"&gt; &lt;/td&gt;&lt;td style="text-align:right"&gt;Reference_object&lt;/td&gt; &lt;td&gt; &lt;select id="selectCreateReferenceObject"&gt;&lt;option value="1"&gt;Tau Ceti&lt;/option&gt;&lt;option value="2"&gt;Tau Ceti b&lt;/option&gt;&lt;option value="3"&gt;Tau Ceti c&lt;/option&gt;&lt;option value="4"&gt;Tau Ceti d&lt;/option&gt;&lt;option value="5"&gt;Tau Ceti e&lt;/option&gt;&lt;option value="6"&gt;Tau Ceti f&lt;/option&gt;&lt;option value="7"&gt;Tau Ceti g&lt;/option&gt;&lt;option value="8"&gt;Tau Ceti h&lt;/option&gt;&lt;option value="9"&gt;Doze-Planet&lt;/option&gt;&lt;/select&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="text-align: right"&gt;Name&lt;/td&gt; &lt;td&gt; &lt;input id="txtCreateName" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="object"&gt;&lt;br&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="text-align:right"&gt; Red (0-255)&lt;/td&gt; &lt;td&gt;&lt;input id="txtCreateRed" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="128"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="btnRedPlusMinus" onclick="changeDistribution('btnRedPlusMinus')" type="button" value="+/- %"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtCreateRedDistribution" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="text-align:right"&gt; Green (0-255)&lt;/td&gt; &lt;td&gt;&lt;input id="txtCreateGreen" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="128"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="btnGreenPlusMinus" onclick="changeDistribution('btnGreenPlusMinus')" type="button" value="+/- %"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtCreateGreenDistribution" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="text-align:right"&gt; Blue (0-255)&lt;/td&gt; &lt;td&gt;&lt;input id="txtCreateBlue" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="255"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="btnBluePlusMinus" onclick="changeDistribution('btnBluePlusMinus')" type="button" value="+/- %"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtCreateBlueDistribution" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="text-align:right"&gt; Radius &lt;input class="classBtnUnit" id="btnRadiusUnit" onclick="changeLengthUnitSmall('btnRadiusUnit')" type="button" value="(km)"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtCreateRadius" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0" td="" &lt;=""&gt; &lt;/td&gt;&lt;td&gt;&lt;input id="btnRadiusPlusMinus" onclick="changeDistribution('btnRadiusPlusMinus')" type="button" value="+/- %"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtCreateRadiusDistribution" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="text-align:right"&gt; Mass &lt;input class="classBtnUnit" id="btnMassUnit" onclick="changeMassUnit('btnMassUnit')" type="button" value="(kg)"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtCreateMass" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="btnMassPlusMinus" onclick="changeDistribution('btnMassPlusMinus')" type="button" value="+/- %"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtCreateMassDistribution" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="text-align:right"&gt; Semi-major axis &lt;input class="classBtnUnit" id="btnSMAUnit" onclick="changeLengthUnitLarge('btnSMAUnit')" type="button" value="(km)"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtSMA" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="1"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="btnSMAPlusMinus" onclick="changeDistribution('btnSMAPlusMinus')" type="button" value="+/- %"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtSMADistribution" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="text-align:right"&gt;Eccentricity&lt;/td&gt; &lt;td&gt;&lt;input id="txtEccentricity" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="btnEccentricityPlusMinus" onclick="changeDistribution('btnEccentricityPlusMinus')" type="button" value="+/- %"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtEccentricityDistribution" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="text-align:right"&gt;Inclination (deg)&lt;/td&gt; &lt;td&gt;&lt;input id="txtInclination" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="btnInclinationPlusMinus" onclick="changeDistribution('btnInclinationPlusMinus')" type="button" value="+/- %"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtInclinationDistribution" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="text-align:right"&gt;Ω Longitude(deg)&lt;/td&gt; &lt;td&gt;&lt;input id="txtLongitude" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="btnLongitudePlusMinus" onclick="changeDistribution('btnLongitudePlusMinus')" type="button" value="+/- %"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtLongitudeDistribution" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="text-align:right"&gt;ω Periapsis(deg)&lt;/td&gt; &lt;td&gt;&lt;input id="txtPeriapsis" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="btnPeriapsisPlusMinus" onclick="changeDistribution('btnPeriapsisPlusMinus')" type="button" value="+/- %"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtPeriapsisDistribution" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td style="text-align:right"&gt;MA (deg)&lt;/td&gt; &lt;td&gt;&lt;input id="txtMA" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="btnMAPlusMinus" onclick="changeDistribution('btnMAPlusMinus')" type="button" value="+/- %"&gt;&lt;/td&gt; &lt;td&gt;&lt;input id="txtMADistribution" onkeydown="userTyping(true)" onkeyup="userTyping(false)" type="text" value="0"&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/tbody&gt;&lt;/table&gt; &lt;input class="classBtn" id="btnCreateObjects" onclick="createObjects()" type="button" value="Create"&gt; &lt;/div&gt; &lt;div id="divTopDown" style="visibility: hidden;"&gt; &lt;canvas width="1800" height="1200" id="canvasPixels" style="background: black;"&gt;&lt;/canvas&gt; &lt;canvas width="1800" height="1200" id="foregroundLayer"&gt;&lt;/canvas&gt; &lt;/div&gt; &lt;div id="divPerspective" style="top: 0px;" onmouseover="hideAllMenuButtons()"&gt; &lt;canvas width="1366" height="652" id="canvasPixelsPerspectiveA" style="left: 0px; top: 0px;"&gt;&lt;/canvas&gt; &lt;canvas width="1366" height="652" id="foregroundLayerPerspectiveA" style="left: 0px; top: 0px;"&gt;&lt;/canvas&gt; &lt;canvas width="1366" height="652" id="trailLayerPerspectiveA" style="left: 0px; top: 0px;"&gt;&lt;/canvas&gt; &lt;canvas width="0" height="0" id="canvasPixelsPerspectiveB" style="left: 684px; top: 0px;"&gt;&lt;/canvas&gt; &lt;canvas width="0" height="0" id="foregroundLayerPerspectiveB" style="left: 684px; top: 0px;"&gt;&lt;/canvas&gt; &lt;canvas width="0" height="0" id="trailLayerPerspectiveB" style="left: 684px; top: 0px;"&gt;&lt;/canvas&gt; &lt;canvas width="0" height="0" id="canvasOutput" &lt;="" canvas=""&gt; &lt;/canvas&gt;&lt;/div&gt; &lt;script&gt; var version = '20171104'; function KeyPress(e) { var evtobj = window.event ? event : e if (evtobj.keyCode == 75 &amp;&amp; !keyDown) {createPreTrails()} if (evtobj.keyCode == 76 &amp;&amp; !keyDown) {checkLabelsA.checked = !checkLabelsA.checked; checkLabelsB.checked = !checkLabelsB.checked;checkLabelsCA.checked = !checkLabelsCA.checked} if (evtobj.keyCode == 77 &amp;&amp; !keyDown) {menu()} if (evtobj.keyCode == 80 &amp;&amp; !keyDown) {pause()} if (evtobj.keyCode == 67 &amp;&amp; !keyDown) {perspectiveTrailsClsA(); perspectiveTrailsClsB(); perspectiveTrails2ClsA(); perspectiveTrails2ClsB()} if (evtobj.keyCode == 65 &amp;&amp; !keyDown) {document.getElementById('divToFromA').style.visibility = 'visible'} if (evtobj.keyCode == 66 &amp;&amp; !keyDown) {document.getElementById('divToFromB').style.visibility = 'visible'} if (evtobj.keyCode == 82 &amp;&amp; !keyDown) {checkRaDec.checked = true} if (evtobj.keyCode == 61 &amp;&amp; !keyDown) {pZoomInA(); pZoomInB()} if (evtobj.keyCode == 45 &amp;&amp; !keyDown) {pZoomOutA(); pZoomOutB()} if (evtobj.keyCode == 173 &amp;&amp; !keyDown) {pZoomOutA(); pZoomOutB()} if (evtobj.keyCode == 74 &amp;&amp; !keyDown) {document.getElementById('divJulianDate').style.visibility = 'visible'} if (evtobj.keyCode == 73 &amp;&amp; !keyDown) {document.getElementById('divImportObjectsLite').style.visibility = 'visible'} if (evtobj.keyCode == 69 &amp;&amp; !keyDown) {document.getElementById('divEditObjectsVectors').style.visibility = 'visible'} if (evtobj.keyCode == 81 &amp;&amp; !keyDown) {document.getElementById('divStereo').style.visibility = 'visible'} if (evtobj.keyCode == 83 &amp;&amp; !keyDown) {document.getElementById('divStars').style.visibility = 'visible'} if (evtobj.keyCode == 84 &amp;&amp; !keyDown) {document.getElementById('divTimeStep').style.visibility = 'visible'} } document.onkeydown = KeyPress; var cJPL = 0, rrcd = 0; var citiesLatA = 0, citiesLonA = 0, citiesLatB = 0, citiesLonB = 0, aLpha = 0, dElta = 0, dCore = 0, eqR = 6378000, polR = 6356000, ePsilon = Math.PI * (23 + 26/60 + 21.448 / 3600) / 180; var nPreTrails = 0, tempDoEvents; document.getElementById('selectCitiesA').options.length = 0; document.getElementById('selectCitiesB').options.length = 0; var selCitiesA = document.getElementById('selectCitiesA'); var selCitiesB = document.getElementById('selectCitiesB'); for (k = 1; k &lt;= cities; k++) { selCitiesA.options[selCitiesA.options.length] = new Option(cityName[k], k); selCitiesB.options[selCitiesB.options.length] = new Option(cityName[k], k); } cityLat[k] = 0; cityLon[k] = 0; //geocenter selCitiesA.options[selCitiesA.options.length] = new Option("Geocenter", k); selCitiesB.options[selCitiesB.options.length] = new Option("Geocenter", k); selCitiesA.options[selCitiesA.options.length] = new Option("Custom location", k + 1); selCitiesB.options[selCitiesB.options.length] = new Option("Custom location", k + 1); selCitiesA.value = k; selCitiesB.value = k; $(function() { $("#divCitiesA").draggable(); $("#divCitiesB").draggable(); $("#divStereo").draggable(); $("#divBlank").draggable(); $("#divSetTime").draggable(); $("#divEditObjectsVectors").draggable(); $("#divEditObjectsElements").draggable(); $("#divTimeStep").draggable(); $("#divScreens").draggable(); $("#divScreenShots").draggable(); $("#divAPnow").draggable(); $("#divAPsingleEvents").draggable(); $("#divAPperIteration").draggable(); $("#divAPperGraphicUpdate").draggable(); $("#divScreenShotImage").draggable(); $("#divCalendarDate").draggable(); $("#divCalendarDateUTC").draggable(); $("#divJulianDate").draggable(); $( "#divFocusObject" ).draggable(); $( "#divToFromA" ).draggable(); $( "#divToFromB" ).draggable(); $( "#divEccentricity" ).draggable(); $( "#divSMA" ).draggable(); $( "#divPreferences" ).draggable(); $( "#divCollisionLog" ).draggable(); $( "#divSimulationDescription" ).draggable(); $( "#divVectors" ).draggable(); $( "#divCreateObjects" ).draggable(); $( "#divClones" ).draggable(); $( "#divImportObjectsLite" ).draggable(); $( "#divImportObjects" ).draggable(); $( "#divPreTrailObjectList" ).draggable(); $( "#divDeleteObjects" ).draggable(); $( "#divRotatingFrame" ).draggable(); $( "#divStars" ).draggable(); $( "#divSaveAs" ).draggable(); $( "#divRotateCameraA" ).draggable(); $( "#divQuickHelp" ).draggable(); }); var additionalMass = 0; var stealth = false; var timeStepPause; var rangeAv, rangeZv, rangeDv; var intervalRealTime; var APnv1 = 0, APnv2 = 0, APnv3 = 0, APnv4 = 0; var APA = new Array(); var PI = 3.14159265358979, pi = 3.14159265358979, Pi = 3.14159265358979; var LF = String.fromCharCode(10); //divBigA var axesOn = new Boolean(false); var starsOn = new Boolean(false); var namesOn = new Boolean(false); var rotatingFrameOn = new Boolean(false); //var checked4 = new Boolean(false); var stereoOn = new Boolean(false); var orbitsOn = new Boolean(false); var trailsOn = new Boolean(false); var checked8 = new Boolean(false); var checked9 = new Boolean(false); var checked10 = new Boolean(false); var checked11 = new Boolean(false); $(function() { $("#divZoom").draggable({axis: 'x',containment: 'parent'}); $("#divZoom").bind('dragstop', function(){arraySliderPos[1] = divZoom.offsetLeft;}); $("#divAzimuth").draggable({axis: 'x',containment: 'parent'}); $("#divAzimuth").bind('dragstop', function(){arraySliderPos[2] = divAzimuth.offsetLeft;}); $("#divAltitude").draggable({axis: 'y',containment: 'parent'}); $("#divAltitude").bind('dragstop', function(){arraySliderPos[3] = divAltitude.offsetTop;}); $("#divDistance").draggable({axis: 'y',containment: 'parent'}); $("#divDistance").bind('dragstop', function(){arraySliderPos[4] = divDistance.offsetTop;}); $("#divTxt").draggable(); //$("#divHorizontal").draggable(); //$("#divVertical").draggable(); }); var sliderInterval = new Array(); var arraySliderPos = new Array(); arraySliderPos[1] = 0; arraySliderPos[2] = 0; arraySliderPos[3] = 0; arraySliderPos[4] = 0; function advanceSliderHorizontal(x,d1,d2,i,intv) { if (isNaN(intv)) {var ti = 1} else {var ti = Number(intv)} var h = divHorizontal.offsetLeft + divBigA.offsetLeft; var b = document.getElementById(d1).offsetLeft; var s = document.getElementById(d2).offsetLeft; var nx = x-h-b; if (nx &lt; document.getElementById(d2).offsetWidth/2) { x = x - (nx -document.getElementById(d2).offsetWidth/2); } if (nx &gt; document.getElementById(d1).offsetWidth - document.getElementById(d2).offsetWidth/2) { x = x - (nx - (document.getElementById(d1).offsetWidth - document.getElementById(d2).offsetWidth/2)); } clearInterval(sliderInterval[i]) sliderInterval[i] = setInterval(function(){ if (i == 1) { //perspectiveClsA(); perspectiveTrailsClsA(); } var a = arraySliderPos[i] + divHorizontal.offsetLeft + divBigA.offsetLeft; var b = x-(document.getElementById(d1).offsetLeft)-document.getElementById(d2).offsetWidth/2; var c = a-b; if (c &gt; 0){var t=-1}else if(c&lt;0){var t=1}else{var t=0} if (Math.abs(c)&gt;30) {t=t*3} else if (Math.abs(c)&gt;15){t=t*2} var nv = arraySliderPos[i] + t; arraySliderPos[i] = nv; var ns = nv.toString() + "px"; document.getElementById(d2).style.left = ns; if (c == 0) {clearInterval(sliderInterval[i]);} }, ti); } // function advanceSliderHorizontal function advanceSliderVertical(y,d1,d2,i, intv) { if (isNaN(intv)) {var ti = 1} else {var ti = Number(intv)} var h = divVertical.offsetTop + divBigA.offsetTop; var b = document.getElementById(d1).offsetTop; var s = document.getElementById(d2).offsetTop; var ny = y-h-b; if (ny &lt; document.getElementById(d2).offsetHeight/2) { y = y - (ny -document.getElementById(d2).offsetHeight/2); } if (ny &gt; document.getElementById(d1).offsetHeight - document.getElementById(d2).offsetHeight/2) { y = y - (ny - (document.getElementById(d1).offsetHeight - document.getElementById(d2).offsetHeight/2)); } clearInterval(sliderInterval[i]) sliderInterval[i] = setInterval(function(){ var a =document.getElementById(d2).offsetTop + divVertical.offsetTop + divBigA.offsetTop; var b = y-(document.getElementById(d1).offsetTop)-document.getElementById(d2).offsetHeight/2; var c = a-b; if (c &gt; 0){var t=-1}else if(c &lt; 0){var t=1}else{var t=0} if (Math.abs(c)&gt;30) {t=t*3} else if (Math.abs(c)&gt;15){t=t*2} var nv = arraySliderPos[i] + t; arraySliderPos[i] = nv; var ns = nv.toString() + "px"; document.getElementById(d2).style.top = ns; if (c == 0) {clearInterval(sliderInterval[i])} }, ti); } // function advanceSliderVertical function azimuthTo(deg, intv) { var rad = pi * deg / 180; var A = divBigA.offsetLeft + divHorizontal.offsetLeft + divAzimuthBar.offsetLeft; var B = A + divAzimuthBar.offsetWidth; var range = B - A - divAzimuth.offsetWidth; var Lbound = A + divAzimuth.offsetWidth/2; var x = parseInt(0.5 * rad * range / pi + Lbound); advanceSliderHorizontal(x,'divAzimuthBar', 'divAzimuth',2, intv); } function zoomTo(arg, intv) { //var rad = pi * deg / 180; var A = divBigA.offsetLeft + divHorizontal.offsetLeft + divZoomBar.offsetLeft; var B = A + divZoomBar.offsetWidth; var range = B - A - divZoom.offsetWidth; var Lbound = A + divZoom.offsetWidth/2; var x = parseInt(arg + Lbound); advanceSliderHorizontal(x,'divZoomBar', 'divZoom',1, intv); } function altitudeTo(deg, intv) { var rad = pi * deg / 180; var A = divBigA.offsetTop + divVertical.offsetTop + divAltitudeBar.offsetTop; var B = A + divAltitudeBar.offsetHeight; var range = B - A - divAltitude.offsetHeight; var Lbound = A + divAltitude.offsetHeight/2; var x = parseInt(rad * range / pi + Lbound); advanceSliderVertical(x,'divAltitudeBar', 'divAltitude',3, intv); } function distanceTo(d) { if (d &gt; 2500) {d = 2400} if (d &lt; 1) {d = 1} arraySliderPos[4] = parseInt(divDistance.offsetTop); if (d &lt; Number(txtRotateCameraD.value)) { sliderInterval[5] = setInterval(function() { arraySliderPos[4] -= 1; divDistance.style.top = arraySliderPos[4] + "px"; var x = divVertical.offsetTop + divDistanceBar.offsetTop + divDistance.offsetTop + divDistance.offsetHeight/2; var A = divVertical.offsetTop + divDistanceBar.offsetTop; var B = A + divDistanceBar.offsetHeight; var range = B - A - divDistance.offsetHeight; var Lbound = A + divDistance.offsetHeight/2; var Rbound = B - divDistance.offsetHeight/2; if (x &lt; Lbound) {x = Lbound} if (x &gt; Rbound) {x = Rbound} var pct = (x-Lbound) / range; var dMin = Number(rangeRotateCameraD.min); var dMax = Number(rangeRotateCameraD.max); var range2 = dMax - dMin; var rad = range2 * pct; rangeRotateCameraD.value = parseInt(rad + dMin); rotateCameraA; txtRotateCameraD.value = Math.pow(rangeRotateCameraD.value, 4) / 40000; if (d &gt; Number(txtRotateCameraD.value)) {clearInterval(sliderInterval[5])} }, 1) } else { sliderInterval[6]= setInterval(function() { arraySliderPos[4] += 1; divDistance.style.top = arraySliderPos[4] + "px"; var x = divVertical.offsetTop + divDistanceBar.offsetTop + divDistance.offsetTop + divDistance.offsetHeight/2; var A = divVertical.offsetTop + divDistanceBar.offsetTop; var B = A + divDistanceBar.offsetHeight; var range = B - A - divDistance.offsetHeight; var Lbound = A + divDistance.offsetHeight/2; var Rbound = B - divDistance.offsetHeight/2; if (x &lt; Lbound) {x = Lbound} if (x &gt; Rbound) {x = Rbound} var pct = (x-Lbound) / range; var dMin = Number(rangeRotateCameraD.min); var dMax = Number(rangeRotateCameraD.max); var range2 = dMax - dMin; var rad = range2 * pct; rangeRotateCameraD.value = parseInt(rad + dMin); rotateCameraA; txtRotateCameraD.value = Math.pow(rangeRotateCameraD.value, 4) / 40000; if (d &lt; Number(txtRotateCameraD.value)) {clearInterval(sliderInterval[6])} }, 1) } // end if else } function distanceToOld(d, intv) { var A = divBigA.offsetTop + divVertical.offsetTop + divDistanceBar.offsetTop; var B = A + divDistanceBar.offsetHeight; var range = B - A - divDistance.offsetHeight; var Lbound = A + divDistance.offsetHeight/2; //var x = parseInt(rad * range / pi + Lbound); //txtRotateCameraD.value = Math.pow(rangeRotateCameraD.value, 4) / 40000; var x = Math.pow(d*40000, 0.25); //txtAreaSimulationDescription.value = "x = " + x; var range2 = rangeRotateCameraD.max - rangeRotateCameraD.min; var pct = x/range2; x = parseInt(pct * range + Lbound); advanceSliderVertical(x,'divDistanceBar', 'divDistance',4, intv); /* txtAreaSimulationDescription.value += LF +"x = " + x; txtAreaSimulationDescription.value += LF + "pct = " + pct; txtAreaSimulationDescription.value += LF + "range = " + range; txtAreaSimulationDescription.value += LF + "range2 = " + range2; txtAreaSimulationDescription.value += LF + "Lbound = " + Lbound; */ } var APperIterationCode = '', APperGraphicUpdateCode = ''; var masslessIndex = 0; var navigateTo = ''; var objReferenceNumber = []; var a, E, lan, W, TL, MA, v; // discontinue using these. Use next line instead. var oeSMA, oeEcc, oeInc, oeLAN, oePeri, oeMA var hiZ = 2; var keyDown = false; var beenHere = 0, resumeStep = 1; screenShots = 0; var h, screenSize = 1000 * 149597870691, plotX, plotY, plotCounter = 0, updateGraphics = 1; var sScaleA, sScaleB; var screenSize2 = 800000000000,plotCounter2 = 0, updateGraphics2 = 10, plot2X, plot2y; var canvas2Width, center2X, center2Y; var canvas2Height, center2X, center2Y; var minimumObjectSize, trailSize; var minimumObjectSizeA, minimumObjectSizeB, trailSizeA, trailSizeB; var nextScreenShot = 0; var solImage = new Image(); solImage.src = 'http://orbitsimulator.com/gravitySimulatorCloud/sol-3.png'; //var solImage = new Image(); solImage.src = 'http://orbitsimulator.com/gravitySimulatorCloud/happySun.png'; //The following line are variables for dynamic time step determination var tsTime = 0, stepsPerRadian = 0, tsV = 0, tsVx = 0, tsVy = 0, tsVz = 0, tsobjMin1 = 0, tsobjMin2 = 0, preferencesStepsPerRadian = 150; integrator = 'RK4'; var collisions = 0, collisionObjectA = [], collisionObjectB = [], collisionLog = ''; var plotOrderA = new Array(), plotOrderB = new Array(), plotDistance = new Array(); var lastXa = new Array(), lastYa = new Array(); var lastXb = new Array(), lastYb = new Array(); var objx = new Array(), objy = new Array(), objz = new Array(); var objvx = new Array(), objvy = new Array(), objvz = new Array(); var objMass = new Array(), objName = new Array(); var objColorRed = new Array(), objColorGreen = new Array(), objColorBlue = new Array(); var objShadowRed = new Array(), objShadowGreen = new Array(), objShadowBlue = new Array(); var objLabelRed = new Array(), objLabelGreen = new Array(), objLabelBlue = new Array(); var objTrailRed = new Array(), objTrailGreen = new Array(), objTrailBlue = new Array(); var objSubZRed = new Array(), objSubZGreen = new Array(), objSubZBlue = new Array(); objColor = new Array(); objColorHex = new Array(); var objReferenceObject = new Array(), objDiameter = new Array(); var systemElements = new Array(), numberOfSystemElements = 0; var systemElementsA = new Array(),numberOfSystemElementsA = 0; var systemElementsB = new Array(),numberOfSystemElementsB = 0; var objPreTrail = new Array(); var A = [], B = [], na = []; var n = 6; var cov = [], chol = [], dev = [], dev0 = []; cov[1] = []; cov[2] = []; cov[3] = []; cov[4] = []; cov[5] = []; cov[6] = []; chol[1] = []; chol[2] = []; chol[3] = []; chol[4] = []; chol[5] = []; chol[6] = []; A[1] = []; A[2] = []; A[3] = []; A[4] = []; A[5] = []; A[6] = []; B[1] = []; B[2] = []; B[3] = []; B[4] = []; B[5] = []; B[6] = []; var trail = []; var preTrailRed = [], preTrailGreen = [], preTrailBlue = []; var preTrailSubZRed = [], preTrailSubZGreen = [], preTrailSubZBlue = []; var vectorObj1A = 29, vectorObj2A = 1; var AU = 149597870691, km = 1000, LY = 9.4605284E+15, meter = 1, LD = 384402000; var vectorPositionUnits = km, vectorVelocityUnits = km; var longRF = 0, altRF = 0, distanceRF = 0, focusRF = 0, referenceRF = 0; var G = 398600432896939; var a1x = new Array(), a1y = new Array(), a1z = new Array(); var a2x = new Array(), a2y = new Array(), a2z = new Array(); var a3x = new Array(), a3y = new Array(), a3z = new Array(); var a4x = new Array(), a4y = new Array(), a4z = new Array(); var v1x = new Array(), v1y = new Array(), v1z = new Array(); var v2x = new Array(), v2y = new Array(), v2z = new Array(); var v3x = new Array(), v3y = new Array(), v3z = new Array(); var v4x = new Array(), v4y = new Array(), v4z = new Array(); var p2x = new Array(), p2y = new Array(), p2z = new Array(); var p3x = new Array(), p3y = new Array(), p3z = new Array(); var p4x = new Array(), p4y = new Array(), p4z = new Array(); var halfstep, timeStep; var ddx, ddy, ddz; var vvx, vvy, vvz; var k, j; var a1, a2, a3, a4; var deltavx, deltavy, deltavz; var deltapx, deltapy, deltapz; var Mu, Mu2; var dx, dy, dz, D; var objects; var cameraAx, cameraAy, cameraAz, cameraBx, cameraBy, cameraBz; var cameraAvx, cameraAvy, cameraAvz, cameraBvx, cameraBvy, cameraBvz; var focusObject = 1, focusX = objx[focusObject], focusY = objy[focusObject]; var fromObjA, toObjA; var fromObjB, toObjB; var targetObjectEOV, referenceObjectEOV, targetObjectEOE, referenceObjectEOE; var bPause = 0, play; var iteration, iterationsPerVisit, iterations, elapsedTime; //iterations per visit is do events var timerInterval, gOpacity; var startDate, julianStartDate, julianDate; var currentDate = new Date(), currentUTCdate = new Date(); var hiZ = 3; var autoPilotTime = [], autoPilotCommand = [], nAutoPilot; var stereoX1 = 0, stereoY1 = 0, stereoX2 = 0, stereoY2 = 0; var inSMA, inEcc, inInc, inNode, inPeri, inMA, inPrimaryMass, inMass, inRadius; var canvas = document.getElementById ('canvasPixels'); var foregroundCanvas = document.getElementById ('foregroundLayer'); var context = canvas.getContext('2d'); var pContextA = canvasPixelsPerspectiveA.getContext('2d'); var pfContextA = foregroundLayerPerspectiveA.getContext('2d'); var ptContextA = trailLayerPerspectiveA.getContext('2d'); var pContextB = canvasPixelsPerspectiveB.getContext('2d'); var pfContextB = foregroundLayerPerspectiveB.getContext('2d'); var ptContextB = trailLayerPerspectiveB.getContext('2d'); var foregroundContext = foregroundLayer.getContext("2d"); var canvasOutputContext = canvasOutput.getContext("2d"); foregroundContext.globalAlpha=0.7; var canvasWidth = canvas.width; var canvasHeight = canvas.height; var pCanvasHeightA = canvasPixelsPerspectiveA.height; var pCanvasWidthA = canvasPixelsPerspectiveA.width; var pCanvasHeightB = canvasPixelsPerspectiveB.height; var pCanvasWidthB = canvasPixelsPerspectiveB.width; var canvasForegroundWidth = foregroundCanvas.width; var canvasForegroundHeight = foregroundCanvas.height; var centerX = canvasWidth / 2; var centerY = canvasHeight / 2; document.getElementById("canvasPixels").style.background = 'black'; pZoomInA(); pZoomOutA(); pZoomInB(); pZoomOutB(); initializeObjects(); initializeStuff(); initializeDivs(); if (checkKeplerCA.checked) { orbitsOn = true; divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; } else { orbitsOn = false; divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; } if (checkTrailsCA.checked) { trailsOn = true; divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)' } else { trailsOn = false; divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)' } if (checkAxes.checked) { axesOn = true; divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)' } else { namesOn = false; divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)' } if (checkStarsA.checked) { starsOn = true; divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)' } else { starsOn = false; divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)' } if (checkLabelsCA.checked) { trailsOn = true; divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)' } else { namesOn = false; divCheckNames.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)' } if (checkStereoCA.checked) { stereoOn = true; divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)' } else { stereoOn = false; divCheck3d.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)' } arraySliderPos[1] = divZoom.offsetLeft; arraySliderPos[2] = divAzimuth.offsetLeft; arraySliderPos[3] = divAltitude.offsetTop; arraySliderPos[4] = divDistance.offsetTop; for (k = 1; k &lt;= objects; k++) { lastXa[k] = -999; lastYa[k] = -999; lastXb[k] = -999; lastYb[k] = -999; } txtImportSetDateAndTime.value = UTC2(elapsedTime * 1000 + startDate) sizeFrames(); for (k = 1; k &lt;= objects; k++) { objReferenceNumber[k] = 1; refN = 1; while (objReferenceObject[k] != objName[refN] &amp;&amp; refN &lt; objects) { refN++; } if (objReferenceObject[k] == objName[refN]) { objReferenceNumber[k] = refN; } } // next k for (k = objects + 1; k &lt;= objects + 2; k++) { // cameraA &amp; B objReferenceObject[k] = 'Sun'; objReferenceNumber[k] = 1; objMass[k] = 0; objDiameter[k] = 0; objColorRed[k] = 0; objColorGreen[k] = 0; objColorBlue[k] = 0; objShadowRed[k] = 0; objShadowGreen[k] = 0; objShadowBlue[k] = 0; objLabelRed[k] = 0; objLabelGreen[k] = 0; objLabelBlue[k] = 0; objTrailRed[k] = 0; objTrailGreen[k] = 0; objTrailBlue[k] = 0; objSubZRed[k] = 0; objSubZGreen[k] = 0; objSubZBlue[k] = 0; } if (selectTargetObjectRF.selectedIndex != 0) {rotatingFrameOn = true} else {rotatingFrameOn = false} play(); var starID = new Array(), starHIP = new Array(), starProper = new Array(), starRA = new Array(), starDec = new Array(), starMag = new Array(), starSpec = new Array(), starColor = new Array(), starX = new Array(), starY = new Array(), starZ = new Array(), starVx = new Array(), starVy = new Array(), starVz = new Array(), starAmag = new Array(), numberOfStars = 0, starsIndex = '', sI = '-1', tagHead= document.getElementsByTagName('head')[0]; if (checkRealTime.checked) { var d = new Date(); var n = d.getTime() / 1000; advanceTo(n); iterationsPerVisit = 1; timeStep = 1; intervalRealTime = setInterval(realTime, 500); } txtAreaCollisionLog.value = ''; focusObject = 1, focusX = objx[focusObject], focusY = objy[focusObject]; updateInfo(); changeBarycenterA(); changeBarycenterB(); populateSelectBoxes(); changeRF(); var saveAsD = new Date(); var saveAsDs = saveAsD.getTime().toString() + "_"; var qrStr = window.location.search; var queryArray = qrStr.split(','); //for (var kkkk = 0; kkkk &lt;= queryArray.length; kkkk++) {txtAreaQuickHelp.value += queryArray[kkkk]+1+LF} //txtAreaQuickHelp.value += queryArray.length; if (queryArray.length &gt;= 3) { queryArray[1] = queryArray[1].replace('%20', ''); queryArray[2] = queryArray[2].replace('%20', ''); } if (qrStr.substr(1,2) == 'oe' || qrStr.substr(1,2) == 'sv') { queryArray[2] = '~' + queryArray[2]; var qName = queryArray[2]; qName = qName.replace('~', ''); qName = qName.replace("%20", " "); qName = qName.replace("%20", " "); qName = qName.replace("%20", " "); qName = qName.replace("%20", " "); document.title = qName; var qDate = queryArray[3]; qDate = qDate.replace("%20", " "); qDate = qDate.replace("_", " "); advanceToNew(qDate); createObjects(); nPreTrails++; objPreTrail[objects] = true; populatePreTrailList(); objName[objects] = qName; inPrimaryMass = objMass[Number(queryArray[1])] * 5.97369125232006E+24; if (queryArray[10] != '') {objMass[objects] = Number(queryArray[10]) / 5.97369125232006E+24} else {objMass[objects] = 0} inMass = Number(queryArray[10]); if (queryArray[11] != '') {objDiameter[objects] = Number(queryArray[11])} else {objDiameter[objects] = 0} if (queryArray[12] != '') { var c = queryArray[12]; c = c.replace("#", ""); objColorRed[objects] = parseInt(c.substr(0,2),16); objColorGreen[objects] = parseInt(c.substr(2,2),16); objColorBlue[objects] = parseInt(c.substr(4,2),16); } else { objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 64; } objShadowRed[objects] = parseInt(objColorRed[objects] * 0.05); objShadowGreen[objects] = parseInt(objColorGreen[objects] * 0.05); objShadowBlue[objects] = parseInt(objColorBlue[objects] * 0.05); objTrailRed[objects] = objColorRed[objects]; objTrailGreen[objects] = objColorGreen[objects]; objTrailBlue[objects] = objColorBlue[objects]; objSubZRed[objects] = parseInt(objColorRed[objects] / 3); objSubZGreen[objects] = parseInt(objColorGreen[objects] / 3); objSubZBlue[objects] = parseInt(objColorBlue[objects] / 3); objLabelRed[objects] = objColorRed[objects]; objLabelGreen[objects] = objColorGreen[objects]; objLabelBlue[objects] = objColorBlue[objects]; if (qrStr.substr(1,2) == 'sv') { objx[objects] = Number(queryArray[4]) + objx[Number(queryArray[1])]; objy[objects] = Number(queryArray[5]) + objy[Number(queryArray[1])]; objz[objects] = Number(queryArray[6]) + objz[Number(queryArray[1])]; objvx[objects] = Number(queryArray[7]) + objvx[Number(queryArray[1])]; objvy[objects] = Number(queryArray[8]) + objvy[Number(queryArray[1])]; objvz[objects] = Number(queryArray[9]) + objvz[Number(queryArray[1])]; ComputeOrbitalElements(objects, Number(queryArray[1])); var Q = oeSMA * (1 + oeEcc) / AU; } else { inSMA = Number(queryArray[4]); inEcc = Number(queryArray[5]); inInc = toRadians(Number(queryArray[6])); inNode = toRadians(Number(queryArray[7])); inPeri = toRadians(Number(queryArray[8])); inMA = toRadians(Number(queryArray[9])); ComputeStateVectors(); objx[objects] = xCreate + objx[Number(queryArray[1])]; objy[objects] = yCreate + objy[Number(queryArray[1])]; objz[objects] = zCreate + objz[Number(queryArray[1])]; objvx[objects] = vxCreate + objvx[Number(queryArray[1])]; objvy[objects] = vyCreate + objvy[Number(queryArray[1])]; objvz[objects] = vzCreate + objvz[Number(queryArray[1])]; var Q = inSMA * (1 + inEcc) / AU; //txtAreaQuickHelp.value = Q; } if (queryArray[13] != '') {rangeRotateCameraA.value = toRadians(Number(queryArray[13]))} if (queryArray[14] != '') {rangeRotateCameraZ.value = toRadians(Number(queryArray[14]))} if (queryArray[15] != '') { //rangeRotateCameraD.value = Math.pow(Number(queryArray[15]) * 40000,0.25) //distanceTo(Number(queryArray[15]) * 40); var lAphelion = 180*(oeLAN + oePeri) / pi + 180; //azimuthTo(lAphelion-45); altitudeTo(70); } else { //rangeRotateCameraD.value = Math.pow(Math.sqrt(objx[objects] * objx[objects] + objy[objects]*objy[objects] + objz[objects] * objz[objects]) * 40 * 40000 / AU, 0.25); //rangeRotateCameraD.value = Math.pow(Q * 40 * 40000 / AU, 0.25); if (oeEcc &gt; 0.99) { //distanceTo(900); zoomTo(60); } else { //var dto = 40 * Q; //distanceTo(dto); zoomTo(98.9-12.4 * Math.log(Q)); } var lAphelion = 180*(oeLAN + oePeri) / pi + 180; if (lAphelion &gt; 360) {lAphelion = lAphelion - 360} //azimuthTo(lAphelion-45); altitudeTo(70); } if (queryArray[16] != '') {sScaleA = Number(queryArray[16]); txtFOVa.value = sScaleA; perspectiveClsA(); perspectiveTrailsClsA()} if (queryArray[17] != '') {selectTargetObjectA.selectedIndex = Number(queryArray[17]); changeTargetObjectA()} if (queryArray[18] != '') {selectCameraObjectA.selectedIndex = Number(queryArray[18]); changeCameraObjectA()} if (queryArray[19] == '1') {queryArray[19] = '0'} if (queryArray[19] != '') {selectTargetObjectRF.selectedIndex = Number(queryArray[19]); changeRF()} if (queryArray[20] != '') {if (queryArray[20] == "1") {checkTrailsCA.checked = true; divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; trailsOn = true; perspectiveTrailsClsA(); perspectiveTrailsClsB()} else {checkTrailsCA.checked = false; divCheckTrails.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; trailsOn = false;}} //if (queryArray[21] != '') { // if (queryArray[21] == "1") { // checkPreTrailsA.checked = true; // checkKeplerCA.checked = true; // } else { // //checkPreTrailsA.checked = false; // //checkPreTrailsA.checked = false; // checkKeplerCA.checked = false; // //perspectiveTrails2ClsA(); // //perspectiveTrails2ClsB(); // } //} if (queryArray[22] != '') {if (queryArray[22] == "1") {checkAxes.checked = true;} else {checkAxes.checked = false}} //perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); checkPreTrailsA.checked = checkKeplerCA.checked; checkPreTrailsB.checked = checkKeplerCA.checked; populateSelectBoxes(); var today = new Date(); var ds = today.getFullYear() + "/" + (Number(today.getMonth())+1).toString() + "/" + today.getDate() + " " + today.getHours() + ":" + today.getMinutes() + ":" + today.getSeconds(); advanceToNew2(ds); } //var screenShotDelay = parseFloat(queryArray[1]); var screenShotDelay = eval(queryArray[1]); if (isNaN(screenShotDelay)) {screenShotDelay = 0} var maxScreenShots = parseFloat(queryArray[2]); if (isNaN(maxScreenShots)) {maxScreenShots = -1} var screenShotsTaken = 0; includeStars(); populatePreTrailList(); createPreTrails(); txtRotateCameraA.value = parseInt(180 * rangeRotateCameraA.value / Math.PI).toString(); txtRotateCameraZ.value = parseInt(180 * rangeRotateCameraZ.value / Math.PI).toString(); txtRotateCameraD.value = parseInt(180 * rangeRotateCameraD.value / Math.PI).toString(); rangeAv = rangeRotateCameraA.value; rangeZv = rangeRotateCameraZ.value; rangeDv = rangeRotateCameraD.value; plotPerspectiveA(); plotPerspectiveB(); if (axesOn &amp;&amp; checkAxes.checked == false) {checkAxes.click()} function initializeDivs() { centerPlayButton(); bPause = 0; timeStep = 9e-29; timerInterval = 5; timeStepPause = 128; checkMedia.checked = false; checkTopDown.checked = false; checkPerspectiveA.checked = true; checkPerspectiveB.checked = false; fromObjA = 10; toObjA = 1; fromObjB = 10; toObjB = 4; targetObjectEOV = 3; referenceObjectEOV = 1; targetObjectEOE = 4; referenceObjectEOE = 1; focusRF = 4; referenceRF = 1; checkBarycenterPerspectiveA.checked = false; checkBarycenterPerspectiveB.checked = false; checkRealTime.checked = false; sI =-1; checkLabelsA.checked = true; checkLabelsB.checked = true; checkStereo.checked = false; checkStereoCA.checked = false; checkStarsA.checked = true; checkStarsB.checked = true; checkStarsLabelsA.checked = false; checkKBOsA.checked = false; checkKBOsB.checked = false; checkPreTrailsA.checked = false; checkPreTrailsB.checked = false; checkCrescentsA.checked = true; checkCrescentsB.checked = true; checkSunGraphicA.checked = true; checkSunGraphicB.checked = true; checkRF.checked = false; checkKeplerCA.checked = false; checkTrailsCA.checked = true; checkLabelsCA.checked = true; checkAxes.checked = false; gOpacity = 1; txtOpacity.value = '1'; changeOpacity(); iterationsPerVisit = 100; elapsedTime = 346803200; iterations = 45302634; txtDoEvents.value = '100'; startDate = 1504483200000; julianStartDate = 212371243200; sScaleA = 2690049.263533018; sScaleB = 430139.33522405574; txtFOVa.value = '2690049.263533018'; txtFOVb.value = '430139.33522405574'; minimumObjectSizeA = 2; trailSizeA = 2; minimumObjectSizeB = 2; trailSizeB = 2; txtMinimumObjectSizeA.value = '2'; txtMinimumObjectSizeB.value = '2'; txtTrailSizeA.value = '2'; txtTrailSizeB.value = '2'; txtFontA.value = '12px Arial'; txtFontB.value = 'bold 16px Arial'; rangeRotateCameraA.value = '1.728'; rangeRotateCameraZ.value = '1.7935'; rangeRotateCameraD.value = '100'; apItext = ""; for (k = 1; k <= 1000; k++) { apItext = apItext.replace('~', String.fromCharCode(10)); apItext = apItext.replace('`', String.fromCharCode(34)); } txtAreaQuickHelp.value = apItext; apItext = ""; for (k = 1; k <= 1000; k++) { apItext = apItext.replace('~', String.fromCharCode(10)); apItext = apItext.replace('`', String.fromCharCode(34)); } txtAreaAPsingleEvents.value = apItext; updateAPsingleEvents(); apItext = ""; for (k = 1; k <= 1000; k++) { apItext = apItext.replace('~', String.fromCharCode(10)); apItext = apItext.replace('`', String.fromCharCode(34)); } txtAreaAPperIteration.value = apItext; updateAPperIteration(); apItext = "var d = UTC(elapsedTime * 1000 + startDate);~var arrd = d.split(` `);~var arrd2 = arrd[4].split(`:`);~d = '';~d = d + arrd[1]; //Month~d = d + ` ` + arrd[2]; //Date~d = d + ` ` + arrd[3]; //Year~d = d + ` ` + arrd2[0]; //Hour~d = d + `:` + arrd2[1]; //colon and minute~d = d + `:` + arrd2[2]; //colon and second~d = d + ` UTC`;~var oString = d;~~ julianDate = elapsedTime / 86400 + julianStartDate / 86400;~~oString += ` JD ` + julianDate.toFixed(6);~var c = new Date();~ c.setTime(elapsedTime * 1000 + startDate);~oString +=`<br>`+currentDate + `<br>`;~~oString += `<table>`;~oString += `<tr><td style='text-align:left'>Earth:</td><td style = 'text-align: right; padding-left: 20px'>`;~if (distance(4,objects)/LD < 20) {~oString += (distance (4, objects) / LD).toFixed(3) + ` LD`;~} else {~oString += (distance(4, objects) / AU).toFixed(3) + ` AU`;~}~oString += `</td><td style = 'text-align: right; padding-left: 20px'>`;~oString += (speed(4, objects) / 1000).toFixed(3) + ` km/s`;~oString += `</td></tr>`;~~oString +=`<tr><td style='text-align:left'>Sun: </td><td ; style = 'text-align: right; padding-left: 20px'>`;~~oString += (distance(1, objects) / AU).toFixed(3) + ` AU</td><td style = 'text-align: right; padding-left: 40px'>`;~oString += (speed(1, objects) / 1000).toFixed(3) + ` km/s</td></tr></table>`;~~~divInBlank.innerHTML = oString;"; for (k = 1; k <= 1000; k++) { apItext = apItext.replace('~', String.fromCharCode(10)); apItext = apItext.replace('`', String.fromCharCode(34)); } txtAreaAPperGraphicUpdate.value = apItext; updateAPperGraphicUpdate(); citiesLatA = 0; citiesLonA = 0; citiesLatB = 0; citiesLonB = 0; txtLatitudeCitiesA.value = '0'; txtLongitudeCitiesA.value = '0'; selectCitiesA.value = 273; txtLatitudeCitiesB.value = '0'; txtLongitudeCitiesB.value = '0'; selectCitiesB.value = 273; selectvectorObj1A.selectedIndex = -1; selectvectorObj2A.selectedIndex = 0; vectorObj1A = 0; vectorObj2A = 1; selectStars.selectedIndex = 1; txtStarBrightness.value = '50'; txtGridBrightness.value = '0.25'; txtRaSpacing.value = '60'; txtDecSpacing.value = '15'; txtGridColor.value = 'FFFFFF'; checkRaDec.checked = false; selectTargetObjectEOV.selectedIndex = 1; radioCrosseye.checked = true; radioTrueLongitude.checked = true; txtBaseline.value = '3'; txtLongitudeRF.value = '0'; txtAltitudeRF.value = '1000'; txtDistanceRF.value = '4000'; integrator = 'RK4'; selectIntegrator.value = 'RK4'; txtStepsPerRadian.value = '150'; } function initializeObjects() { objects = 9; objName[1] = 'Tau Ceti'; objReferenceObject[1] = 'Sun'; objx[1] = 0; objy[1] = 0; objz[1] = 0; objvx[1] = 0; objvy[1] = 0; objvz[1] = 0; objMass[1] = 260629.00378310063; objDiameter[1] = 0; objColorRed[1] = 128; objColorGreen[1] = 128; objColorBlue[1] = 255; objShadowRed[1] = 4; objShadowGreen[1] = 4; objShadowBlue[1] = 8; objLabelRed[1] = 128; objLabelGreen[1] = 128; objLabelBlue[1] = 255; objTrailRed[1] = 128; objTrailGreen[1] = 128; objTrailBlue[1] = 255; objSubZRed[1] = 42; objSubZGreen[1] = 42; objSubZBlue[1] = 85; objPreTrail[1] = true; objName[2] = 'Tau Ceti b'; objReferenceObject[2] = 'Sun'; objx[2] = 11986755878.688537; objy[2] = -12312060083.129354; objz[2] = 0; objvx[2] = 46047.359105612035; objvy[2] = 57954.98559549238; objvz[2] = 0; objMass[2] = 2.0027315598799222; objDiameter[2] = 16000000; objColorRed[2] = 128; objColorGreen[2] = 128; objColorBlue[2] = 255; objShadowRed[2] = 4; objShadowGreen[2] = 4; objShadowBlue[2] = 8; objLabelRed[2] = 128; objLabelGreen[2] = 128; objLabelBlue[2] = 255; objTrailRed[2] = 128; objTrailGreen[2] = 128; objTrailBlue[2] = 255; objSubZRed[2] = 42; objSubZGreen[2] = 42; objSubZBlue[2] = 85; objPreTrail[2] = true; objName[3] = 'Tau Ceti c'; objReferenceObject[3] = 'Sun'; objx[3] = -27043833793.219215; objy[3] = 8854927770.452711; objz[3] = 0; objvx[3] = -18638.956671751122; objvy[3] = -58320.75671356351; objvz[3] = 0; objMass[3] = 3.115360204257657; objDiameter[3] = 16000000; objColorRed[3] = 128; objColorGreen[3] = 128; objColorBlue[3] = 255; objShadowRed[3] = 4; objShadowGreen[3] = 4; objShadowBlue[3] = 8; objLabelRed[3] = 128; objLabelGreen[3] = 128; objLabelBlue[3] = 255; objTrailRed[3] = 128; objTrailGreen[3] = 128; objTrailBlue[3] = 255; objSubZRed[3] = 42; objSubZGreen[3] = 42; objSubZBlue[3] = 85; objPreTrail[3] = true; objName[4] = 'Tau Ceti d'; objReferenceObject[4] = 'Tau Ceti'; objx[4] = 30940326746.101596; objy[4] = 51821728273.57006; objz[4] = 0; objvx[4] = -34482.4675084454; objvy[4] = 19873.702396717643; objvz[4] = 0; objMass[4] = 3.4968328823300236; objDiameter[4] = 16000000; objColorRed[4] = 128; objColorGreen[4] = 128; objColorBlue[4] = 255; objShadowRed[4] = 4; objShadowGreen[4] = 4; objShadowBlue[4] = 8; objLabelRed[4] = 128; objLabelGreen[4] = 128; objLabelBlue[4] = 255; objTrailRed[4] = 128; objTrailGreen[4] = 128; objTrailBlue[4] = 255; objSubZRed[4] = 42; objSubZGreen[4] = 42; objSubZBlue[4] = 85; objPreTrail[4] = true; objName[5] = 'Tau Ceti e'; objReferenceObject[5] = 'Sun'; objx[5] = -54463549433.98046; objy[5] = -74346345877.25003; objz[5] = 0; objvx[5] = 26929.025517436664; objvy[5] = -15478.83941840096; objvz[5] = 0; objMass[5] = 3.9418843400811165; objDiameter[5] = 16000000; objColorRed[5] = 128; objColorGreen[5] = 128; objColorBlue[5] = 255; objShadowRed[5] = 4; objShadowGreen[5] = 4; objShadowBlue[5] = 8; objLabelRed[5] = 128; objLabelGreen[5] = 128; objLabelBlue[5] = 255; objTrailRed[5] = 128; objTrailGreen[5] = 128; objTrailBlue[5] = 255; objSubZRed[5] = 42; objSubZGreen[5] = 42; objSubZBlue[5] = 85; objPreTrail[5] = true; objName[6] = 'Tau Ceti f'; objReferenceObject[6] = 'Sun'; objx[6] = -80872357280.95918; objy[6] = -199902819353.04935; objz[6] = 0; objvx[6] = 18229.517834092974; objvy[6] = -10515.749860475354; objvz[6] = 0; objMass[6] = 3.9418843400811165; objDiameter[6] = 16000000; objColorRed[6] = 128; objColorGreen[6] = 128; objColorBlue[6] = 255; objShadowRed[6] = 4; objShadowGreen[6] = 4; objShadowBlue[6] = 8; objLabelRed[6] = 128; objLabelGreen[6] = 128; objLabelBlue[6] = 255; objTrailRed[6] = 128; objTrailGreen[6] = 128; objTrailBlue[6] = 255; objSubZRed[6] = 42; objSubZGreen[6] = 42; objSubZBlue[6] = 85; objPreTrail[6] = true; objName[7] = 'Tau Ceti g'; objReferenceObject[7] = 'Sun'; objx[7] = -11319493188.739187; objy[7] = -17788138898.91321; objz[7] = 0; objvx[7] = 58354.41152897495; objvy[7] = -35006.46454984159; objvz[7] = 0; objMass[7] = 1.7515953801489481; objDiameter[7] = 16000000; objColorRed[7] = 128; objColorGreen[7] = 128; objColorBlue[7] = 255; objShadowRed[7] = 4; objShadowGreen[7] = 4; objShadowBlue[7] = 8; objLabelRed[7] = 128; objLabelGreen[7] = 128; objLabelBlue[7] = 255; objTrailRed[7] = 128; objTrailGreen[7] = 128; objTrailBlue[7] = 255; objSubZRed[7] = 42; objSubZGreen[7] = 42; objSubZBlue[7] = 85; objPreTrail[7] = true; objName[8] = 'Tau Ceti h'; objReferenceObject[8] = 'Sun'; objx[8] = 20940893075.977016; objy[8] = 19912066951.48185; objz[8] = 0; objvx[8] = -39885.91872871257; objvy[8] = 52234.20842626852; objvz[8] = 0; objMass[8] = 1.8310688547473577; objDiameter[8] = 16000000; objColorRed[8] = 128; objColorGreen[8] = 128; objColorBlue[8] = 255; objShadowRed[8] = 4; objShadowGreen[8] = 4; objShadowBlue[8] = 8; objLabelRed[8] = 128; objLabelGreen[8] = 128; objLabelBlue[8] = 255; objTrailRed[8] = 128; objTrailGreen[8] = 128; objTrailBlue[8] = 255; objSubZRed[8] = 42; objSubZGreen[8] = 42; objSubZBlue[8] = 85; objPreTrail[8] = true; objName[9] = 'Doze-Planet'; objReferenceObject[9] = 'Sun'; objx[9] = 94258747164.55256; objy[9] = -51909051544.82402; objz[9] = 0; objvx[9] = 15045.47242297844; objvy[9] = 27208.069267498303; objvz[9] = 0; objMass[9] = 2.000103369145441; objDiameter[9] = 0; objColorRed[9] = 128; objColorGreen[9] = 128; objColorBlue[9] = 255; objShadowRed[9] = 4; objShadowGreen[9] = 4; objShadowBlue[9] = 8; objLabelRed[9] = 128; objLabelGreen[9] = 128; objLabelBlue[9] = 255; objTrailRed[9] = 128; objTrailGreen[9] = 128; objTrailBlue[9] = 255; objSubZRed[9] = 42; objSubZGreen[9] = 42; objSubZBlue[9] = 85; objPreTrail[9] = true; objName[10] = 'Camera A'; objReferenceObject[10] = 'Sun'; objx[10] = -57105480729046.414; objy[10] = 360260589989672.3; objz[10] = -82603205697508.6; objvx[10] = 7.380294176553609; objvy[10] = -1.7710847257712707; objvz[10] = -0.12061205250223956; objName[11] = 'Camera B'; objReferenceObject[11] = 'Sun'; objx[11] = -69010411176868.664; objy[11] = -348852776272361.5; objz[11] = 115792209810699.75; objvx[11] = -26973.039405760963; objvy[11] = 5573.689875466364; objvz[11] = 1123.1677393647842; cameraAx = -57105480729046.414; cameraAy = 360260589989672.3; cameraAz = -82603205697508.6; cameraAvx = 7.380294176553609; cameraAvy = -1.7710847257712707; cameraAvz = -0.12061205250223956; cameraBx = -69010411176868.664; cameraBy = -348852776272361.5; cameraBz = 115792209810699.75; cameraBvx = -26973.039405760963; cameraBvy = 5573.689875466364; cameraBvz = 1123.1677393647842; selectTargetObjectEOV.selectedIndex = 1; } function initializeStuff() { updateCameras(); minimumObjectSize = 2; trailSize = 0.5; var description = htmlAll.innerHTML; var pos0 = description.indexOf('description') + 22; var posf = description.indexOf("&gt;", pos0); description = description.substr(pos0, posf - pos0 - 1); txtAreaSimulationDescription.value = description; } // end function initializeStuff() // beginning gsimFunctions.js function advanceTo(d){ var tempTimeStep = timeStep; var tempDE = parseFloat(txtDoEvents.value); var sim = elapsedTime + startDate / 1000; var delta = d - sim; timeStep = 128; iterationsPerVisit = 1000; var atSteps = Math.floor(delta / (timeStep * iterationsPerVisit)); for (var k = 1; k &lt; atSteps; k++) { play(); } iterationsPerVisit = parseFloat(txtDoEvents.value); timeStep = tempTimeStep; } // end function advanceTo(d) function advanceToNew2(d) { d = d.replace("JD", ""); d = d.replace("jd", ""); if (isNaN(d)) {var dn = Date.parse(d)} else {var dn = Number(d) * 86400000-210866759999928} var d = new Date(); var tzo = d.getTimezoneOffset(); dn -= tzo * 60000; var deltaD = dn - (startDate + elapsedTime * 1000); //pause(); //var tempTimeStep = timeStep; timeStep = timeStepPause; deltaD = deltaD / timeStep / 1000; if (deltaD &lt; 0) {timeStep = -timeStep; deltaD = -deltaD} for (var k = 1; k &lt;= deltaD; k++) { RK4(); elapsedTime = elapsedTime + timeStep; } deltaD = (deltaD - Math.floor(deltaD)) * timeStep; timeStep = 1; if (deltaD &lt; 0) {timeStep = -timeStep; deltaD = -deltaD} for (var k = 1; k &lt;= deltaD; k++) { RK4(); elapsedTime = elapsedTime + timeStep; } timeStep = 9e-29; } function advanceToNew(d) { d = d.replace("JD", ""); d = d.replace("jd", ""); if (isNaN(d)) {var dn = Date.parse(d); var d = new Date(); var tzo = d.getTimezoneOffset(); dn -= tzo * 60000;} else {var dn = Number(d) * 86400000-210866759999928} //var deltaD = dn - (startDate + elapsedTime * 1000); d=dn; var nd = new Date(dn); var nY = nd.getFullYear(); var nM = nd.getMonth(); if (nM &gt; 5) (nY++); //txtAreaQuickHelp.value = "startDate = " + startDate + ", elapsedTime = " + elapsedTime + ", dn = " + dn + ", deltaD = " + deltaD + ", nd = " + nd + ", ndYear = " + nd.getFullYear() + ", ndMonth = " + nd.getMonth() + ", ny = " + nY; dn = Date.parse(nd); setDate("1/1/" + nY + " 00:00:00"); var state = new Array(); state[1950] = "48003190969.94792,14839396453.987791,-3200875200.166131,-23824.79763348823,48729.62150801823,6167.253498553798,14103778994.508389,106796243523.1824,629658954.4255064,-34839.012267642414,4406.535330658593,2071.9935935076182,-27334093092.69072,144529080639.8025,16162181.01339787,-29745.836504905248,-5650.7173525723865,-1.640885519286428,-208771872777.065,135295780999.23831,7985337330.397383,-12257.76237012246,-18273.05677889132,-79.88811484167968,509621078522.0794,-562567300363.9891,-9109215289.602905,9531.09264484606,9401.837023552587,-252.2073348918479,-1347482663345.175,374058921650.65466,46972139835.824684,-3092.868414410414,-9322.776171164473,286.3312315561028,-185716656223.07288,2828078528503.139,12937130445.30725,-6839.486734608025,-758.3938956191398,85.90150097141725,-4352193987773.3853,-1257972100140.444,126167705415.1908,1485.40804847754,-5181.918388901551,72.63897183662182,-3969438575380.2373,3632853621015.289,759124443926.4539,-2223.37903936275,-4484.352329049983,1125.987366836584,-27147581421.455933,144881498318.51648,42559142.07002521,-30632.29793595692,-5225.122045013652,52.60947876427569"; state[1951] = "-4851152814.379534,45981317003.04108,4199097976.173522,-58210.678952712886,-3322.983714885747,5078.928988430603,66771042874.6073,-85937849849.67455,-5019313739.477627,27419.98948642913,21362.53488247169,-1294.74448509264,-26661874945.91026,144662724112.56332,16125820.32557577,-29782.846719482422,-5499.319475486438,0.1742352789237955,189752814330.306,-81603582035.78409,-6392096349.678677,10506.91534826836,24325.57784133559,249.8434014908444,718214662503.3411,-196661502484.9017,-15286944539.88674,3293.321313660783,13235.38009288812,-128.1820762861656,-1412340416871.094,73555376983.42128,54817059250.14694,-1016.6387262351319,-9658.215237144803,209.6784156092872,-400729157999.5075,2796019183656.636,15607011210.53851,-6790.40134017481,-1275.139620640615,83.34958368781875,-4302344681438.4287,-1420393971634.0352,128369514443.3703,1675.0161662457601,-5118.040158578998,66.99800938699019,-4037971591939.775,3490011762624.1543,794314987437.4377,-2122.8949870002502,-4574.768962015816,1105.5705094889781,-27036841255.80664,144611789075.0813,7360869.932726026,-29585.86769367609,-6511.108540687457,-86.44535505946394"; state[1952] = "-53557132394.63881,12514176802.87255,5943880660.940779,-21174.85160641813,-45330.00615132619,-1754.00156301323,-106700938444.14569,12823049541.705,6336409312.516697,-4368.723042312949,-34927.37394298339,-220.4288309489115,-26018178690.86891,144782257921.8652,15375834.11429822,-29812.28195788313,-5389.54205604035,-1.969920757435517,-241172511450.4637,60761114636.92772,7225109125.7740965,-5003.135170471159,-21433.992999199312,-325.18358176490653,703694952095.1674,229447150481.1005,-16712315646.78685,-4211.866646890542,13055.42092213722,40.7373689420707,-1411873121535.512,-230387794071.1337,60124418409.62489,1034.141861586746,-9545.561854185373,126.10957651406501,-613585606151.0747,2747634089650.528,18189294070.62805,-6702.171691025323,-1793.547141170933,80.32913791585771,-4246584560693.386,-1580743322644.054,130393021841.0974,1860.736954107115,-5050.819129592238,61.31452865354725,-4103302541050.604,3344291189724.698,828841089484.1794,-2019.7857009303882,-4667.208396749747,1083.825397102965,-25703812358.18072,144596023390.5712,13557564.20888752,-29218.14102465725,-4499.3926670253095,93.55151374601722"; 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var iVector = state[nY].split(","); var n = 0; for (var k=2; k &lt;= 11; k++) { objx[k] = Number(iVector[n]); n++; objy[k] = Number(iVector[n]); n++; objz[k] = Number(iVector[n]); n++; objvx[k] = Number(iVector[n]); n++; objvy[k] = Number(iVector[n]); n++; objvz[k] = Number(iVector[n]); n++; } var deltaD = dn - (startDate + elapsedTime * 1000); //pause(); //var tempTimeStep = timeStep; timeStep = timeStepPause; deltaD = deltaD / timeStep / 1000; if (deltaD &lt; 0) {timeStep = -timeStep; deltaD = -deltaD} for (var k = 1; k &lt;= deltaD; k++) { RK4(); elapsedTime = elapsedTime + timeStep; } deltaD = (deltaD - Math.floor(deltaD)) * timeStep; timeStep = 1; if (deltaD &lt; 0) {timeStep = -timeStep; deltaD = -deltaD} for (var k = 1; k &lt;= deltaD; k++) { RK4(); elapsedTime = elapsedTime + timeStep; } timeStep = 9e-29; } function advanceToOld(d){ var tempTimeStep = timeStep; var tempDE = parseFloat(txtDoEvents.value); var sim = elapsedTime + startDate / 1000; var delta = d - sim; timeStep = 128; iterationsPerVisit = 1000; var atSteps = Math.floor(delta / (timeStep * iterationsPerVisit)); for (var k = 1; k &lt; atSteps; k++) { play(); } timeStep = 16; iterationsPerVisit = 100; sim = elapsedTime + startDate / 1000; delta = d - sim; atSteps = Math.floor(delta / (timeStep * iterationsPerVisit)); for (k = 1; k &lt;= atSteps; k++) { play(); } timeStep = 16; iterationsPerVisit = 10; sim = elapsedTime + startDate / 1000; delta = d - sim; atSteps = Math.floor(delta / (timeStep * iterationsPerVisit)); for (k = 1; k &lt;= atSteps; k++) { play(); } timeStep = 8; iterationsPerVisit = 10; sim = elapsedTime + startDate / 1000; delta = d - sim; atSteps = Math.floor(delta / (timeStep * iterationsPerVisit)); for (k = 1; k &lt;= atSteps; k++) { play(); } timeStep = 1; iterationsPerVisit = 1; sim = elapsedTime + startDate / 1000; delta = d - sim; atSteps = Math.floor(delta / (timeStep * iterationsPerVisit)); for (k = 1; k &lt;= atSteps; k++) { play(); } iterationsPerVisit = parseFloat(txtDoEvents.value); timeStep = tempTimeStep; } // end function advanceTo(d) function realTime() { var n = new Date(); var d = n.getTime() / 1000; var sim = elapsedTime + startDate / 1000; var delta = d - sim; } // end function realTime() function toggleRealTime() { clearInterval(intervalRealTime); } function menu() { if (getComputedStyle(document.getElementById('divMenu')).visibility == 'visible') { document.getElementById('divMenu').style.visibility = 'hidden'; hideAllMenuButtons(); } else { document.getElementById('divMenu').style.visibility = 'visible'; document.getElementById('btnVectorMenu').style.visibility = 'hidden'; document.getElementById('btnCalendarDate').style.visibility = 'hidden'; document.getElementById('btnCalendarDate').style.visibility = 'hidden'; document.getElementById('btnCalendarDateUTC').style.visibility = 'hidden'; document.getElementById('btnJulianDate').style.visibility = 'hidden'; document.getElementById('btnTimeStepMenu').style.visibility = 'hidden'; document.getElementById('btnSetDateAndTimeMenu').style.visibility = 'visible'; hideAllMenuButtons(); } } // end function menu() function fileMenu() { hideAllMenuButtons(); document.getElementById('btnSaveAsMenu').style.visibility = 'visible'; document.getElementById('btnScreenShotsMenu').style.visibility = 'visible'; document.getElementById('btnCollisionLogMenu').style.visibility = 'visible'; } // end function fileMenu() function objectsMenu() { hideAllMenuButtons(); document.getElementById('btnCreateObjectsMenu').style.visibility = 'visible'; document.getElementById('btnClonesMenu').style.visibility = 'visible'; document.getElementById('btnImportObjectsLiteMenu').style.visibility = 'visible'; //document.getElementById('btnImportObjectsMenu').style.visibility = 'visible'; document.getElementById('btnEditObjectsVectorsMenu').style.visibility = 'visible'; document.getElementById('btnEditObjectsElementsMenu').style.visibility = 'visible'; document.getElementById('btnVectorMenu').style.visibility = 'visible'; document.getElementById('btnDeleteObjectsMenu').style.visibility = 'visible'; document.getElementById('btnPreTrailsMenu').style.visibility = 'visible'; } // end function objectsMenu() function timeMenu() { hideAllMenuButtons(); document.getElementById('btnCalendarDate').style.visibility = 'visible'; document.getElementById('btnCalendarDateUTC').style.visibility = 'visible'; document.getElementById('btnJulianDate').style.visibility = 'visible'; document.getElementById('btnTimeStepMenu').style.visibility = 'visible'; document.getElementById('btnSetDateAndTimeMenu').style.visibility = 'visible'; } // end function timeMenu() function displayMenu() { hideAllMenuButtons(); document.getElementById('btnScreensMenu').style.visibility = 'visible'; document.getElementById('btnToFromAMenu').style.visibility = 'visible'; document.getElementById('btnToFromBMenu').style.visibility = 'visible'; document.getElementById('btnRotatingFrameMenu').style.visibility = 'visible'; document.getElementById('btnStereoMenu').style.visibility = 'visible'; document.getElementById('btnCitiesAMenu').style.visibility = 'visible'; document.getElementById('btnCitiesBMenu').style.visibility = 'visible'; document.getElementById('btnLargePlayMenu').style.visibility = 'visible'; document.getElementById('btnMainMenu').style.visibility = 'visible'; document.getElementById('btnStarsMenu').style.visibility = 'visible'; document.getElementById('btnCameraAMenu').style.visibility = 'visible'; document.getElementById('btnBlankMenu').style.visibility = 'visible'; } // end function displayMenu() function preferencesMenu() { hideAllMenuButtons(); document.getElementById('divPreferences').style.visibility='visible'; } // end function preferencesMenu() function autoPilotMenu() { hideAllMenuButtons(); document.getElementById('btnAPnowMenu').style.visibility = 'visible'; document.getElementById('btnAPsingleEventsMenu').style.visibility = 'visible'; document.getElementById('btnAPperIterationMenu').style.visibility = 'visible'; document.getElementById('btnAPperGraphicUpdateMenu').style.visibility = 'visible'; //document.getElementById('divAPsingleEvents').style.visibility='visible'; } // end function autoPilotMenu() function helpMenu() { hideAllMenuButtons(); document.getElementById('btnSimulationDescriptionMenu').style.visibility='visible'; document.getElementById('btnQuickHelpMenu').style.visibility='visible'; document.getElementById('btnManualMenu').style.visibility='visible'; document.getElementById('btnAboutMenu').style.visibility='visible'; } // end function helpMenu() function menuHide() { menu(); } // end function menuHide() function hideAllMenuButtons() { document.getElementById('btnVectorMenu').style.visibility = 'hidden'; document.getElementById('btnCalendarDate').style.visibility = 'hidden'; document.getElementById('btnCalendarDateUTC').style.visibility = 'hidden'; document.getElementById('btnJulianDate').style.visibility = 'hidden'; document.getElementById('btnTimeStepMenu').style.visibility = 'hidden'; document.getElementById('btnSetDateAndTimeMenu').style.visibility = 'hidden'; document.getElementById('btnScreenShotsMenu').style.visibility = 'hidden'; document.getElementById('btnSaveAsMenu').style.visibility = 'hidden'; document.getElementById('btnToFromAMenu').style.visibility = 'hidden'; document.getElementById('btnToFromBMenu').style.visibility = 'hidden'; document.getElementById('btnScreensMenu').style.visibility = 'hidden'; document.getElementById('btnCreateObjectsMenu').style.visibility = 'hidden'; document.getElementById('btnClonesMenu').style.visibility = 'hidden'; document.getElementById('btnImportObjectsLiteMenu').style.visibility = 'hidden'; document.getElementById('btnImportObjectsMenu').style.visibility = 'hidden'; document.getElementById('btnRotatingFrameMenu').style.visibility = 'hidden'; document.getElementById('btnStereoMenu').style.visibility = 'hidden'; document.getElementById('btnBlankMenu').style.visibility = 'hidden'; document.getElementById('btnCitiesAMenu').style.visibility = 'hidden'; document.getElementById('btnCitiesBMenu').style.visibility = 'hidden'; document.getElementById('btnLargePlayMenu').style.visibility = 'hidden'; document.getElementById('btnMainMenu').style.visibility = 'hidden'; document.getElementById('btnDeleteObjectsMenu').style.visibility = 'hidden'; document.getElementById('btnPreTrailsMenu').style.visibility = 'hidden'; document.getElementById('btnCollisionLogMenu').style.visibility = 'hidden'; document.getElementById('btnSimulationDescriptionMenu').style.visibility = 'hidden'; document.getElementById('btnQuickHelpMenu').style.visibility = 'hidden'; document.getElementById('btnManualMenu').style.visibility = 'hidden'; document.getElementById('btnAboutMenu').style.visibility = 'hidden'; document.getElementById('btnEditObjectsVectorsMenu').style.visibility = 'hidden'; document.getElementById('btnEditObjectsElementsMenu').style.visibility = 'hidden'; document.getElementById('btnStarsMenu').style.visibility = 'hidden'; document.getElementById('btnCameraAMenu').style.visibility = 'hidden'; document.getElementById('btnAPnowMenu').style.visibility = 'hidden'; document.getElementById('btnAPsingleEventsMenu').style.visibility = 'hidden'; document.getElementById('btnAPperIterationMenu').style.visibility = 'hidden'; document.getElementById('btnAPperGraphicUpdateMenu').style.visibility = 'hidden'; } // end function hideAllMenuButtons() function userTyping(arg) { keyDown = arg; } // end function userTyping(arg) function skyView() { var ts = Math.abs(Number(spanTimeStep.innerHTML)); while (ts &gt; 512) {btnTimeStepMinus.click(); ts = Math.abs(Number(spanTimeStep.innerHTML))} while (ts &lt; 512) {btnTimeStepPlus.click(); ts = Math.abs(Number(spanTimeStep.innerHTML))} txtMinimumObjectSizeA.value = '2'; changeMinimumObjectSizeA(); selectTargetObjectA.selectedIndex = objects - 1; select1.selectedIndex = objects - 1; changeTargetObjectA(); changeBarycenterA(); selectCameraObjectA.selectedIndex = 3 select2.selectedIndex = 3; changeCameraObjectA(); changeBarycenterA(); //objDiameter[objects] = 100000000; ComputeOrbitalElements(objects,4); var q = oeSMA * (1-oeEcc); var obd = q * Math.sin(pi * 2 / 180); if (obd &gt; 100000000) {obd = 100000000;} objDiameter[objects] = obd; checkConstellationBoundaries.checked = true; txtGridBrightness.value = '0.25'; checkRaDec.checked = true; if (!starsOn){ if (selectStars.selectedIndex == 0) { selectStars.selectedIndex = 1; loadStars(); } divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; starsOn = true; checkStarsA.checked = true; } if (orbitsOn){ divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; orbitsOn = false; checkKeplerCA.checked = false; checkPreTrailsA.checked = false; perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); } if (trailsOn) { divCheckTrails.click(); } if (axesOn){ divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; axesOn = false; checkAxes.checked = false; perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); rotateCameraA(); } zoomTo(17); if (select2.selectedIndex == objects) {divAzimuthBar.style.visibility = 'visible'; divAltitudeBar.style.visibility = 'visible'; divDistanceBar.style.visibility = 'visible'} else {divAzimuthBar.style.visibility = 'hidden'; divAltitudeBar.style.visibility = 'hidden'; divDistanceBar.style.visibility = 'hidden'} } // function skyView() function geoCentricView() { var ts = Math.abs(Number(spanTimeStep.innerHTML)); while (ts &gt; 128) {btnTimeStepMinus.click(); ts = Math.abs(Number(spanTimeStep.innerHTML))} while (ts &lt; 128) {btnTimeStepPlus.click(); ts = Math.abs(Number(spanTimeStep.innerHTM))} txtMinimumObjectSizeA.value = '2'; changeMinimumObjectSizeA(); selectTargetObjectA.selectedIndex = 3; select1.selectedIndex = 3; changeTargetObjectA(); changeBarycenterA(); selectCameraObjectA.selectedIndex = objects; select2.selectedIndex = objects; changeCameraObjectA(); changeBarycenterA(); objDiameter[objects] = 0; checkConstellationBoundaries.checked = false; txtGridBrightness.value = '0.25'; checkRaDec.checked = false; if (!starsOn){ if (selectStars.selectedIndex == 0) { selectStars.selectedIndex = 1; loadStars(); } divCheckStars.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; starsOn = true; checkStarsA.checked = true; } else { divCheckStars.click(); } if (orbitsOn){ divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; orbitsOn = false; checkKeplerCA.checked = false; checkPreTrailsA.checked = false; perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); } if (axesOn){ divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/uncheckImg.GIF)'; axesOn = false; checkAxes.checked = false; perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); rotateCameraA(); } //distanceTo(1200); //zoomTo(170); ComputeOrbitalElements(objects,4); var q = oeSMA * (1 - oeEcc); var zzoom = 491 - 15.3 * Math.log(q); if (zzoom &gt; 190) {zzoom = 190} // otherwise zoomed in too much to see moon zoomTo(zzoom); setTimeout(function() { if (!trailsOn) { divCheckTrails.click(); }}, 3000) if (select2.selectedIndex == objects) {divAzimuthBar.style.visibility = 'visible'; divAltitudeBar.style.visibility = 'visible'; divDistanceBar.style.visibility = 'visible'} else {divAzimuthBar.style.visibility = 'hidden'; divAltitudeBar.style.visibility = 'hidden'; divDistanceBar.style.visibility = 'hidden'} } // function geoCentricView() function helioCentricView() { var ts = Math.abs(Number(spanTimeStep.innerHTML)); while (ts &gt; 1024) {btnTimeStepMinus.click(); ts = Math.abs(Number(spanTimeStep.innerHTML))} while (ts &lt; 1024) {btnTimeStepPlus.click(); ts = Math.abs(Number(spanTimeStep.innerHTML))} txtMinimumObjectSizeA.value = '5'; changeMinimumObjectSizeA(); selectTargetObjectA.selectedIndex = 0; select1.selectedIndex = 0; changeTargetObjectA(); changeBarycenterA(); selectCameraObjectA.selectedIndex = objects; select2.selectedIndex = objects; changeCameraObjectA(); changeBarycenterA(); objDiameter[objects] = 0; checkConstellationBoundaries.checked = false; txtGridBrightness.value = '0.25'; checkRaDec.checked = false; if (starsOn){ divCheckStars.click(); } if (trailsOn) { divCheckTrails.click(); } if (!orbitsOn){ divCheckOrbits.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; orbitsOn = true; checkKeplerCA.checked = true; checkPreTrailsA.checked = true; perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); } if (!axesOn){ divCheckAxes.style.backgroundImage = 'url(http://orbitsimulator.com/gravitySimulatorCloud/checkImg.GIF)'; axesOn = true; checkAxes.checked = true; perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); rotateCameraA(); } //zoomTo(45); //distanceTo(dto); ComputeOrbitalElements(objects,1); var Q = oeSMA * (1 + oeEcc) / AU; zoomTo(98.9-12.4 * Math.log(Q)); if (select2.selectedIndex == objects) { divAzimuthBar.style.visibility = 'visible'; divAltitudeBar.style.visibility = 'visible'; divDistanceBar.style.visibility = 'visible'; } else { divAzimuthBar.style.visibility = 'hidden'; divAltitudeBar.style.visibility = 'hidden'; divDistanceBar.style.visibility = 'hidden' } } // function helioCentricView() function changeCanvasOutputSize() { if ((checkScreenShotsAforeground.checked || checkScreenShotsAbackground.checked) &amp;&amp; (checkScreenShotsBforeground.checked || checkScreenShotsBbackground.checked)) { canvasOutput.width = canvasPixelsPerspectiveA.width + canvasPixelsPerspectiveB.width; canvasOutput.height = Math.max(canvasPixelsPerspectiveA.height, canvasPixelsPerspectiveB.height); canvasOutputCls(); } else if (checkScreenShotsAforeground.checked || checkScreenShotsAbackground.checked) { canvasOutput.width = canvasPixelsPerspectiveA.width; canvasOutput.height = canvasPixelsPerspectiveA.height; canvasOutputCls(); } else if (checkScreenShotsBforeground.checked || checkScreenShotsBbackground.checked) { canvasOutput.width = canvasPixelsPerspectiveB.width; canvasOutput.height = canvasPixelsPerspectiveB.height; canvasOutputCls(); } txtScreenShotDimensions.value = canvasOutput.width.toString() + ', ' + canvasOutput.height.toString(); txtScreenShotsAposition.value = '0, 0'; txtScreenShotsBposition.value = (canvasPixelsPerspectiveA.width + 1).toString() + ', 0'; } // end function changeCanvasOutputSize() function changeCanvasOutputSizeOverride() { var d = txtScreenShotDimensions.value; d = d.replace('(', ''); d = d.replace(')', ''); var hw = d.split(','); var w = parseFloat(hw[0]); var h = parseFloat(hw[1]); canvasOutput.width = w; canvasOutput.height = h; } // end function changeCanvasOutputSizeOverride() function saveCanvas(fname) { changeCanvasOutputSize(); canvasOutputCls(); var d = txtScreenShotsAposition.value; d = d.replace('(', ''); d = d.replace(')', ''); var hw = d.split(','); var wA = parseFloat(hw[0]); var hA = parseFloat(hw[1]); d = txtScreenShotsBposition.value; d = d.replace('(', ''); d = d.replace(')', ''); hw = d.split(','); var wB = parseFloat(hw[0]); var hB = parseFloat(hw[1]); if (checkScreenShotsAforeground.checked ) { canvasOutputContext.drawImage(foregroundLayerPerspectiveA, wA, hA) } if (checkScreenShotsAbackground.checked ) { canvasOutputContext.drawImage(canvasPixelsPerspectiveA, wA, hA); canvasOutputContext.drawImage(trailLayerPerspectiveA, wA, hA) } if ((checkScreenShotsAforeground.checked || checkScreenShotsAbackground.checked) &amp;&amp; (checkScreenShotsBforeground.checked || checkScreenShotsBbackground.checked)) { if (checkScreenShotsBbackground.checked) { canvasOutputContext.drawImage(foregroundLayerPerspectiveB, wB, hB) } if (checkScreenShotsBforeground.checked) { canvasOutputContext.drawImage(canvasPixelsPerspectiveB, wB, hB); canvasOutputContext.drawImage(trailLayerPerspectiveB, wB, hB) } } if ((!checkScreenShotsAforeground.checked &amp;&amp; !checkScreenShotsAbackground.checked) &amp;&amp; (checkScreenShotsBforeground.checked)) { canvasOutputContext.drawImage(foregroundLayerPerspectiveB, wB, hB) } if ((!checkScreenShotsAforeground.checked &amp;&amp; !checkScreenShotsAbackground.checked) &amp;&amp; (checkScreenShotsBbackground.checked)) { canvasOutputContext.drawImage(canvasPixelsPerspectiveB, wB, hB); canvasOutputContext.drawImage(trailLayerPerspectiveB, wB, hB) } if (checkScreenShotsCls.checked) { if (checkScreenShotsAforeground.checked) { perspectiveClsA() } if (checkScreenShotsAbackground.checked) { perspectiveTrailsClsA() } if (checkScreenShotsBforeground.checked) { perspectiveClsB() } if (checkScreenShotsBbackground.checked) { perspectiveTrailsClsB() } } var canvasData = canvasOutput.toDataURL("image/jpg"); var sName = fname + String.fromCharCode(17); canvasData = sName + canvasData; var ajax = new XMLHttpRequest(); ajax.open("POST",'http://orbitsimulator.com/gravitySimulatorCloud/saveCanvasImage.php',false); ajax.setRequestHeader('Content-Type', 'application/upload'); ajax.send(canvasData); } // functionsaveCanvas() function saveCanvasImage() { changeCanvasOutputSize(); canvasOutputCls(); var d = txtScreenShotsAposition.value; d = d.replace('(', ''); d = d.replace(')', ''); var hw = d.split(','); var wA = parseFloat(hw[0]); var hA = parseFloat(hw[1]); d = txtScreenShotsBposition.value; d = d.replace('(', ''); d = d.replace(')', ''); hw = d.split(','); var wB = parseFloat(hw[0]); var hB = parseFloat(hw[1]); if (checkScreenShotsAforeground.checked ) { canvasOutputContext.drawImage(foregroundLayerPerspectiveA, wA, hA) } if (checkScreenShotsAbackground.checked ) { canvasOutputContext.drawImage(canvasPixelsPerspectiveA, wA, hA); canvasOutputContext.drawImage(trailLayerPerspectiveA, wA, hA) } if ((checkScreenShotsAforeground.checked || checkScreenShotsAbackground.checked) &amp;&amp; (checkScreenShotsBforeground.checked || checkScreenShotsBbackground.checked)) { if (checkScreenShotsBbackground.checked) { canvasOutputContext.drawImage(foregroundLayerPerspectiveB, wB, hB) } if (checkScreenShotsBforeground.checked) { canvasOutputContext.drawImage(canvasPixelsPerspectiveB, wB, hB); canvasOutputContext.drawImage(trailLayerPerspectiveB, wB, hB) } } if ((!checkScreenShotsAforeground.checked &amp;&amp; !checkScreenShotsAbackground.checked) &amp;&amp; (checkScreenShotsBforeground.checked)) { canvasOutputContext.drawImage(foregroundLayerPerspectiveB, wB, hB) } if ((!checkScreenShotsAforeground.checked &amp;&amp; !checkScreenShotsAbackground.checked) &amp;&amp; (checkScreenShotsBbackground.checked)) { canvasOutputContext.drawImage(canvasPixelsPerspectiveB, wB, hB); canvasOutputContext.drawImage(trailLayerPerspectiveB, wB, hB) } if (checkScreenShotsCls.checked) { if (checkScreenShotsAforeground.checked) { perspectiveClsA() } if (checkScreenShotsAbackground.checked) { perspectiveTrailsClsA() } if (checkScreenShotsBforeground.checked) { perspectiveClsB() } if (checkScreenShotsBbackground.checked) { perspectiveTrailsClsB() } } imgScreenShotImage.src = canvasOutput.toDataURL("image/png"); document.getElementById('divScreenShotImage').style.visibility = 'visible'; } // functionsaveCanvas() function saveCanvasForeground(fname) { // is this one used? var canvasData = foregroundLayerPerspectiveA.toDataURL("image/jpg"); var sName = fname + String.fromCharCode(17); canvasData = sName + canvasData; var ajax = new XMLHttpRequest(); ajax.open("POST",'http://orbitsimulator.com/gravitySimulatorCloud/saveCanvasImage.php',false); ajax.setRequestHeader('Content-Type', 'application/upload'); ajax.send(canvasData); } // end function saveCanvasForeground() function roundNumber(unroundedNumber, decimalPlaces) { var roundedNumber = Math.round(unroundedNumber * Math.pow(10, decimalPlaces) ) / Math.pow(10, decimalPlaces); return roundedNumber; } // end function roundNumber() function changeRF() { focusRF = parseInt(selectTargetObjectRF.value); referenceRF = parseInt(selectReferenceObjectRF.value); longRF = Number(txtLongitudeRF.value); altRF = Number(txtAltitudeRF.value); distanceRF = Number(txtDistanceRF.value); perspectiveClsA(); perspectiveTrailsClsA(); perspectiveClsB(); perspectiveTrailsClsB(); } // end function changeRF() function changeDoEvents() { iterationsPerVisit = parseFloat(txtDoEvents.value); } // end function changeDoEvents() function changeEventsDuration() { timerInterval = txtEventsDuration.value; } // end function changeEventsDuration() function changeOpacity() { gOpacity = parseFloat(txtOpacity.value); pfContextA.globalAlpha = gOpacity; } // end function changeOpacity() function sizeFrames() { var w=window,d=document,e=d.documentElement,g=d.getElementsByTagName('body')[0],x=w.innerWidth||e.clientWidth||g.clientWidth,y=w.innerHeight||e.clientHeight||g.clientHeight; if (checkMedia.checked) { y = y - 156; } if (checkPerspectiveA.checked &amp;&amp; !checkPerspectiveB.checked) { canvasPixelsPerspectiveA.width = x; foregroundLayerPerspectiveA.width = x; trailLayerPerspectiveA.width = x; canvasPixelsPerspectiveA.height = y; foregroundLayerPerspectiveA.height = y; trailLayerPerspectiveA.height = y; pCanvasWidthA = x; pCanvasHeightA = y; txtPerspectiveAWidth.value = x.toString(); txtPerspectiveAHeight.value = y.toString(); canvasPixelsPerspectiveB.width = 0; foregroundLayerPerspectiveB.width = 0; trailLayerPerspectiveB.width = 0; canvasPixelsPerspectiveB.height = 0; foregroundLayerPerspectiveB.height = 0; trailLayerPerspectiveB.height = 0; pCanvasWidthB = 0; pCanvasHeightB = 0; txtPerspectiveBWidth.value = '0'; txtPerspectiveBHeight.value = '0'; } else if (checkPerspectiveB.checked &amp;&amp; !checkPerspectiveA.checked) { canvasPixelsPerspectiveB.width = x; foregroundLayerPerspectiveB.width = x; trailLayerPerspectiveB.width = x; canvasPixelsPerspectiveB.height = y; canvasPixelsPerspectiveB.left = 0; foregroundLayerPerspectiveB.left = 0; trailLayerPerspectiveB.left = 0; foregroundLayerPerspectiveB.height = y; trailLayerPerspectiveB.height = y; pCanvasWidthB = x; pCanvasHeightB = y; txtPerspectiveBWidth.value = x.toString(); txtPerspectiveBHeight.value = y.toString(); txtPerspectiveBLeft.value = '0'; canvasPixelsPerspectiveZ.width = 0; foregroundLayerPerspectiveA.width = 0; trailLayerPerspectiveA.width = 0; canvasPixelsPerspectiveA.height = 0; foregroundLayerPerspectiveA.height = 0; trailLayerPerspectiveA.height = 0; pCanvasWidthA = 0; pCanvasHeightA = 0; txtPerspectiveAWidth.value = '0'; txtPerspectiveAHeight.value = '0'; } else if (checkPerspectiveA.checked &amp;&amp; checkPerspectiveB.checked) { canvasPixelsPerspectiveA.width = x / 2; foregroundLayerPerspectiveA.width = x / 2; trailLayerPerspectiveA.width = x / 2; canvasPixelsPerspectiveA.height = y; foregroundLayerPerspectiveA.height = y; trailLayerPerspectiveA.height = y; pCanvasWidthA = x / 2; pCanvasHeightA = y; txtPerspectiveAWidth.value = (x / 2).toString(); txtPerspectiveAHeight.value = y.toString(); canvasPixelsPerspectiveB.width = x / 2; foregroundLayerPerspectiveB.width = x / 2; trailLayerPerspectiveB.width = x / 2; canvasPixelsPerspectiveB.height = y; foregroundLayerPerspectiveB.height = y; trailLayerPerspectiveB.height = y; canvasPixelsPerspectiveB.left = x / 2 + 1; foregroundLayerPerspectiveB.left = x / 2 + 1; trailLayerPerspectiveB.left = x / 2 + 1; pCanvasWidthB = x / 2; pCanvasHeightB = y; txtPerspectiveBWidth.value = (x / 2).toString(); txtPerspectiveBLeft.value = (x / 2 + 1).toString(); txtPerspectiveBHeight.value = y.toString(); } changeDisplayPerspective(); changeCanvasOutputSize(); perspectiveTrailsClsA(); perspectiveTrailsClsB(); perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); } // end function sizeFrames() function centerPlayButton() { var w=window,d=document,e=d.documentElement,g=d.getElementsByTagName('body')[0],x=w.innerWidth||e.clientWidth||g.clientWidth,y=w.innerHeight||e.clientHeight||g.clientHeight; document.getElementById('btnLargerPlayButton').style.left = (x / 2 - 460 / 2).toString() + "px"; document.getElementById('btnLargerPlayButton').style.top = (y / 2 - 460 / 2).toString() + "px"; } // end function centerPlayButton() function largePlayButtonPressed() { document.getElementById('divLargerPlayButton').style.visibility = 'hidden'; pause(); } // end function largePlayButtonPressed function pause() { if (bPause &gt; 0) { timeStepPause = timeStep; timeStep = 9e-29; bPause = 0; btnPause.value = '&gt;'; btnPlayMedium.style.backgroundImage="url('http://orbitsimulator.com/gravitySimulatorCloud/playButton.png')"; } else { timeStep = timeStepPause; bPause = 1; btnPause.value = '||'; btnPlayMedium.style.backgroundImage="url('http://orbitsimulator.com/gravitySimulatorCloud/pauseButton.png')"; document.getElementById('divLargerPlayButton').style.visibility = 'hidden'; // play(); } // End if } // End function pause() function populateEditObjectsVectors(changeRef) { var targetObj = selectTargetObjectEOV.selectedIndex + 1; if (changeRef) { selectReferenceObjectEOV.selectedIndex = objReferenceNumber[targetObj] - 1; } var peovColor = 'rgb(' + objColorRed[targetObj].toString() + ', ' + objColorGreen[targetObj].toString() + ', ' + objColorBlue[targetObj].toString() +')'; var peovHEX = toHex(objColorRed[targetObj]) + toHex(objColorGreen[targetObj]) + toHex(objColorBlue[targetObj]); var avgColor = (objColorRed[targetObj] + objColorGreen[targetObj] + objColorBlue[targetObj]) / 3; if (avgColor &lt; 128) { var peovText = 'rgb(255, 255, 255)'; } else { var peovText = 'rgb(0, 0, 0)'; } document.getElementById('txtEditObjectsVectorsColor').style.backgroundColor = peovColor; document.getElementById('txtEditObjectsVectorsColor').style.color = peovText; document.getElementById('txtEditObjectsVectorsColor').value = peovHEX; var peovColor = 'rgb(' + objShadowRed[targetObj].toString() + ', ' + objShadowGreen[targetObj].toString() + ', ' + objShadowBlue[targetObj].toString() +')'; var peovHEX = toHex(objShadowRed[targetObj]) + toHex(objShadowGreen[targetObj]) + toHex(objShadowBlue[targetObj]); var avgColor = (objShadowRed[targetObj] + objShadowGreen[targetObj] + objShadowBlue[targetObj]) / 3; if (avgColor &lt; 128) { var peovText = 'rgb(255, 255, 255)'; } else { var peovText = 'rgb(0, 0, 0)'; } document.getElementById('txtEditObjectsVectorsShadow').style.backgroundColor = peovColor; document.getElementById('txtEditObjectsVectorsShadow').style.color = peovText; document.getElementById('txtEditObjectsVectorsShadow').value = peovHEX; var peovColor = 'rgb(' + objLabelRed[targetObj].toString() + ', ' + objLabelGreen[targetObj].toString() + ', ' + objLabelBlue[targetObj].toString() +')'; var peovHEX = toHex(objLabelRed[targetObj]) + toHex(objLabelGreen[targetObj]) + toHex(objLabelBlue[targetObj]); var avgColor = (objLabelRed[targetObj] + objLabelGreen[targetObj] + objLabelBlue[targetObj]) / 3; if (avgColor &lt; 128) { var peovText = 'rgb(255, 255, 255)'; } else { var peovText = 'rgb(0, 0, 0)'; } document.getElementById('txtEditObjectsVectorsLabel').style.backgroundColor = peovColor; document.getElementById('txtEditObjectsVectorsLabel').style.color = peovText; document.getElementById('txtEditObjectsVectorsLabel').value = peovHEX; var peovColor = 'rgb(' + objTrailRed[targetObj].toString() + ', ' + objTrailGreen[targetObj].toString() + ', ' + objTrailBlue[targetObj].toString() +')'; var peovHEX = toHex(objTrailRed[targetObj]) + toHex(objTrailGreen[targetObj]) + toHex(objTrailBlue[targetObj]); var avgColor = (objTrailRed[targetObj] + objTrailGreen[targetObj] + objTrailBlue[targetObj]) / 3; if (avgColor &lt; 128) { var peovText = 'rgb(255, 255, 255)'; } else { var peovText = 'rgb(0, 0, 0)'; } document.getElementById('txtEditObjectsVectorsTrail').style.backgroundColor = peovColor; document.getElementById('txtEditObjectsVectorsTrail').style.color = peovText; document.getElementById('txtEditObjectsVectorsTrail').value = peovHEX; var peovColor = 'rgb(' + objSubZRed[targetObj].toString() + ', ' + objSubZGreen[targetObj].toString() + ', ' + objSubZBlue[targetObj].toString() +')'; var peovHEX = toHex(objSubZRed[targetObj]) + toHex(objSubZGreen[targetObj]) + toHex(objSubZBlue[targetObj]); var avgColor = (objSubZRed[targetObj] + objSubZGreen[targetObj] + objSubZBlue[targetObj]) / 3; if (avgColor &lt; 128) { var peovText = 'rgb(255, 255, 255)'; } else { var peovText = 'rgb(0, 0, 0)'; } document.getElementById('txtEditObjectsVectorsSubZ').style.backgroundColor = peovColor; document.getElementById('txtEditObjectsVectorsSubZ').style.color = peovText; document.getElementById('txtEditObjectsVectorsSubZ').value = peovHEX; eovmMass = objMass[targetObj]; switch (btnEditObjectsVectorMassUnits.value) { case "(kg)": eovmMass = eovmMass * 5.97369125232006E+24; break; case "(Em)": eovmMass = eovmMass * 1; break; case "(Jm)": eovmMass = eovmMass / 317.81406500757; break; case "(Sm)": eovmMass = eovmMass / 332946.050894783; } // end switch txtEditObjectsVectorsMass.value = eovmMass; eovmDiameter = objDiameter[targetObj]; if (btnEditObjectsVectorDiameterUnits.value == '(km)') {eovmDiameter = eovmDiameter / 1000} txtEditObjectsVectorsDiameter.value = eovmDiameter; var referenceObj = selectReferenceObjectEOV.selectedIndex + 1; eovmMult = 1; switch (btnEditObjectsVectorPositionUnits.value) { case "(m)": break; case "(km)": eovmMult = 0.001; break; case "(AU)": eovmMult = 6.6845871226706E-12; break; case "(LY)": eovmMult = 1.05702341108135E-16; } // end switch txtEditObjectsVectorsX.value = (objx[targetObj] - objx[referenceObj]) * eovmMult; txtEditObjectsVectorsY.value = (objy[targetObj] - objy[referenceObj]) * eovmMult; txtEditObjectsVectorsZ.value = (objz[targetObj] - objz[referenceObj]) * eovmMult; eovmMult = 1; if (btnEditObjectsVectorVelocityUnits.value == '(km/s)') {eovmMult = 0.001} txtEditObjectsVectorsVx.value = (objvx[targetObj] - objvx[referenceObj]) * eovmMult; txtEditObjectsVectorsVy.value = (objvy[targetObj] - objvy[referenceObj]) * eovmMult; txtEditObjectsVectorsVz.value = (objvz[targetObj] - objvz[referenceObj]) * eovmMult; } // function populateEditObjectsVectors() function editObjectsVectorsApply() { var targetObj = selectTargetObjectEOV.selectedIndex + 1; var referenceObj = selectReferenceObjectEOV.selectedIndex + 1; objReferenceNumber[targetObj] = referenceObj; objReferenceObject[targetObj] = objName[referenceObj]; objColorRed[targetObj] = parseInt(txtEditObjectsVectorsColor.value.substr(0, 2), 16); objColorGreen[targetObj] = parseInt(txtEditObjectsVectorsColor.value.substr(2, 2), 16); objColorBlue[targetObj] = parseInt(txtEditObjectsVectorsColor.value.substr(4, 2), 16); objShadowRed[targetObj] = parseInt(txtEditObjectsVectorsShadow.value.substr(0, 2), 16); objShadowGreen[targetObj] = parseInt(txtEditObjectsVectorsShadow.value.substr(2, 2), 16); objShadowBlue[targetObj] = parseInt(txtEditObjectsVectorsShadow.value.substr(4, 2), 16); objLabelRed[targetObj] = parseInt(txtEditObjectsVectorsLabel.value.substr(0, 2), 16); objLabelGreen[targetObj] = parseInt(txtEditObjectsVectorsLabel.value.substr(2, 2), 16); objLabelBlue[targetObj] = parseInt(txtEditObjectsVectorsLabel.value.substr(4, 2), 16); objTrailRed[targetObj] = parseInt(txtEditObjectsVectorsTrail.value.substr(0, 2), 16); objTrailGreen[targetObj] = parseInt(txtEditObjectsVectorsTrail.value.substr(2, 2), 16); objTrailBlue[targetObj] = parseInt(txtEditObjectsVectorsTrail.value.substr(4, 2), 16); objSubZRed[targetObj] = parseInt(txtEditObjectsVectorsSubZ.value.substr(0, 2), 16); objSubZGreen[targetObj] = parseInt(txtEditObjectsVectorsSubZ.value.substr(2, 2), 16); objSubZBlue[targetObj] = parseInt(txtEditObjectsVectorsSubZ.value.substr(4, 2), 16); var Mass = parseFloat(txtEditObjectsVectorsMass.value); switch (btnEditObjectsVectorMassUnits.value) { case "(Em)": break; case "(Jm)": Mass = Mass * 317.81406500757; break; case "(Sm)": Mass = Mass * 332946.050894783; break; case "(kg)": Mass = Mass / 5.97369125232006e+24; } objMass[targetObj] = Mass; var Diameter = parseFloat(txtEditObjectsVectorsDiameter.value); if (btnEditObjectsVectorDiameterUnits.value == '(km)') {Diameter = Diameter * 1000} objDiameter[targetObj] = Diameter; var eovaMult = 1; switch (btnEditObjectsVectorPositionUnits.value) { case "(m)": break; case "(km)": eovaMult = 1000; break; case "(AU)": eovaMult = 149597870691; break; case "(LY)": eovaMult = 9.4605284E+15; } // end switch objx[targetObj] = (parseFloat(txtEditObjectsVectorsX.value) * eovaMult + objx[referenceObj]); objy[targetObj] = (parseFloat(txtEditObjectsVectorsY.value) * eovaMult + objy[referenceObj]) ; objz[targetObj] = (parseFloat(txtEditObjectsVectorsZ.value) * eovaMult + objz[referenceObj]) ; eovaMult = 1; if (btnEditObjectsVectorVelocityUnits.value == '(km/s)') {eovaMult = 1000} objvx[targetObj] = (parseFloat(txtEditObjectsVectorsVx.value) * eovaMult + objvx[referenceObj]); objvy[targetObj] = (parseFloat(txtEditObjectsVectorsVy.value) * eovaMult + objvy[referenceObj]); objvz[targetObj] = (parseFloat(txtEditObjectsVectorsVz.value) * eovaMult + objvz[referenceObj]); } // end function editObjectsVectorsApply() { function populateEditObjectsElements(changeRef) { var targetObj = selectTargetObjectEOE.selectedIndex + 1; if (changeRef) { selectReferenceObjectEOE.selectedIndex = objReferenceNumber[targetObj] - 1; } var peovColor = 'rgb(' + objColorRed[targetObj].toString() + ', ' + objColorGreen[targetObj].toString() + ', ' + objColorBlue[targetObj].toString() +')'; var peovHEX = toHex(objColorRed[targetObj]) + toHex(objColorGreen[targetObj]) + toHex(objColorBlue[targetObj]); var avgColor = (objColorRed[targetObj] + objColorGreen[targetObj] + objColorBlue[targetObj]) / 3; if (avgColor &lt; 128) { var peovText = 'rgb(255, 255, 255)'; } else { var peovText = 'rgb(0, 0, 0)'; } document.getElementById('txtEditObjectsElementsColor').style.backgroundColor = peovColor; document.getElementById('txtEditObjectsElementsColor').style.color = peovText; document.getElementById('txtEditObjectsElementsColor').value = peovHEX; var peovColor = 'rgb(' + objShadowRed[targetObj].toString() + ', ' + objShadowGreen[targetObj].toString() + ', ' + objShadowBlue[targetObj].toString() +')'; var peovHEX = toHex(objShadowRed[targetObj]) + toHex(objShadowGreen[targetObj]) + toHex(objShadowBlue[targetObj]); var avgColor = (objShadowRed[targetObj] + objShadowGreen[targetObj] + objShadowBlue[targetObj]) / 3; if (avgColor &lt; 128) { var peovText = 'rgb(255, 255, 255)'; } else { var peovText = 'rgb(0, 0, 0)'; } document.getElementById('txtEditObjectsElementsShadow').style.backgroundColor = peovColor; document.getElementById('txtEditObjectsElementsShadow').style.color = peovText; document.getElementById('txtEditObjectsElementsShadow').value = peovHEX; var peovColor = 'rgb(' + objLabelRed[targetObj].toString() + ', ' + objLabelGreen[targetObj].toString() + ', ' + objLabelBlue[targetObj].toString() +')'; var peovHEX = toHex(objLabelRed[targetObj]) + toHex(objLabelGreen[targetObj]) + toHex(objLabelBlue[targetObj]); var avgColor = (objLabelRed[targetObj] + objLabelGreen[targetObj] + objLabelBlue[targetObj]) / 3; if (avgColor &lt; 128) { var peovText = 'rgb(255, 255, 255)'; } else { var peovText = 'rgb(0, 0, 0)'; } document.getElementById('txtEditObjectsElementsLabel').style.backgroundColor = peovColor; document.getElementById('txtEditObjectsElementsLabel').style.color = peovText; document.getElementById('txtEditObjectsElementsLabel').value = peovHEX; var peovColor = 'rgb(' + objTrailRed[targetObj].toString() + ', ' + objTrailGreen[targetObj].toString() + ', ' + objTrailBlue[targetObj].toString() +')'; var peovHEX = toHex(objTrailRed[targetObj]) + toHex(objTrailGreen[targetObj]) + toHex(objTrailBlue[targetObj]); var avgColor = (objTrailRed[targetObj] + objTrailGreen[targetObj] + objTrailBlue[targetObj]) / 3; if (avgColor &lt; 128) { var peovText = 'rgb(255, 255, 255)'; } else { var peovText = 'rgb(0, 0, 0)'; } document.getElementById('txtEditObjectsElementsTrail').style.backgroundColor = peovColor; document.getElementById('txtEditObjectsElementsTrail').style.color = peovText; document.getElementById('txtEditObjectsElementsTrail').value = peovHEX; var peovColor = 'rgb(' + objSubZRed[targetObj].toString() + ', ' + objSubZGreen[targetObj].toString() + ', ' + objSubZBlue[targetObj].toString() +')'; var peovHEX = toHex(objSubZRed[targetObj]) + toHex(objSubZGreen[targetObj]) + toHex(objSubZBlue[targetObj]); var avgColor = (objSubZRed[targetObj] + objSubZGreen[targetObj] + objSubZBlue[targetObj]) / 3; if (avgColor &lt; 128) { var peovText = 'rgb(255, 255, 255)'; } else { var peovText = 'rgb(0, 0, 0)'; } document.getElementById('txtEditObjectsElementsSubZ').style.backgroundColor = peovColor; document.getElementById('txtEditObjectsElementsSubZ').style.color = peovText; document.getElementById('txtEditObjectsElementsSubZ').value = peovHEX; eovmMass = objMass[targetObj]; switch (btnEditObjectsElementsMassUnits.value) { case "(kg)": eovmMass = eovmMass * 5.97369125232006E+24; break; case "(Em)": eovmMass = eovmMass * 1; break; case "(Jm)": eovmMass = eovmMass / 317.81406500757; break; case "(Sm)": eovmMass = eovmMass / 332946.050894783; } // end switch txtEditObjectsElementsMass.value = eovmMass; eovmDiameter = objDiameter[targetObj]; if (btnEditObjectsElementsDiameterUnits.value == '(km)') {eovmDiameter = eovmDiameter / 1000} txtEditObjectsElementsDiameter.value = eovmDiameter; var refObj = selectReferenceObjectEOE.selectedIndex + 1; ComputeOrbitalElements(targetObj, refObj); eovmMult = 1; switch (btnEditObjectsElementsPositionUnits.value) { case "(m)": break; case "(km)": eovmMult = 0.001; break; case "(AU)": eovmMult = 6.6845871226706E-12; break; case "(LY)": eovmMult = 1.05702341108135E-16; } // end switch txtEditObjectsElementsX.value = (oeSMA * eovmMult).toString(); txtEditObjectsElementsY.value = (oeEcc).toString(); txtEditObjectsElementsZ.value = (180 * oeInc / Math.PI).toString(); txtEditObjectsElementsVx.value = (180 * oeLAN / Math.PI).toString(); txtEditObjectsElementsVy.value = (180 * oePeri / Math.PI).toString(); txtEditObjectsElementsVz.value = (180 * oeMA / Math.PI).toString(); } // end function populateEditObjectsElements() function editObjectsElementsApply() { var targetObj = selectTargetObjectEOE.selectedIndex + 1; var referenceObj = selectReferenceObjectEOE.selectedIndex + 1; objReferenceNumber[targetObj] = referenceObj; objReferenceObject[targetObj] = objName[referenceObj]; objColorRed[targetObj] = parseInt(txtEditObjectsElementsColor.value.substr(0, 2), 16); objColorGreen[targetObj] = parseInt(txtEditObjectsElementsColor.value.substr(2, 2), 16); objColorBlue[targetObj] = parseInt(txtEditObjectsElementsColor.value.substr(4, 2), 16); objShadowRed[targetObj] = parseInt(txtEditObjectsElementsShadow.value.substr(0, 2), 16); objShadowGreen[targetObj] = parseInt(txtEditObjectsElementsShadow.value.substr(2, 2), 16); objShadowBlue[targetObj] = parseInt(txtEditObjectsElementsShadow.value.substr(4, 2), 16); objLabelRed[targetObj] = parseInt(txtEditObjectsElementsLabel.value.substr(0, 2), 16); objLabelGreen[targetObj] = parseInt(txtEditObjectsElementsLabel.value.substr(2, 2), 16); objLabelBlue[targetObj] = parseInt(txtEditObjectsElementsLabel.value.substr(4, 2), 16); objTrailRed[targetObj] = parseInt(txtEditObjectsElementsTrail.value.substr(0, 2), 16); objTrailGreen[targetObj] = parseInt(txtEditObjectsElementsTrail.value.substr(2, 2), 16); objTrailBlue[targetObj] = parseInt(txtEditObjectsElementsTrail.value.substr(4, 2), 16); objSubZRed[targetObj] = parseInt(txtEditObjectsElementsSubZ.value.substr(0, 2), 16); objSubZGreen[targetObj] = parseInt(txtEditObjectsElementsSubZ.value.substr(2, 2), 16); objSubZBlue[targetObj] = parseInt(txtEditObjectsElementsSubZ.value.substr(4, 2), 16); var Mass = parseFloat(txtEditObjectsElementsMass.value); switch (btnEditObjectsElementsMassUnits.value) { case "(Em)": break; case "(Jm)": Mass = Mass * 317.81406500757; break; case "(Sm)": Mass = Mass * 332946.050894783; break; case "(kg)": Mass = Mass / 1000; } objMass[targetObj] = Mass; var Diameter = parseFloat(txtEditObjectsElementsDiameter.value); if (btnEditObjectsElementsDiameterUnits.value == '(km)') {Diameter = Diameter * 1000} objDiameter[targetObj] = Diameter; inPrimaryMass = objMass[referenceObj] * 5.97369125232006E+24; inMass = objMass[targetObj] * 5.97369125232006E+24; inSMA = parseFloat(txtEditObjectsElementsX.value); inEcc = parseFloat(txtEditObjectsElementsY.value); inInc = Math.PI * parseFloat(txtEditObjectsElementsZ.value) / 180; inNode = Math.PI * parseFloat(txtEditObjectsElementsVx.value) / 180; inPeri = Math.PI * parseFloat(txtEditObjectsElementsVy.value) / 180; inMA = Math.PI * parseFloat(txtEditObjectsElementsVz.value) / 180; var eovaMult = 1; switch (btnEditObjectsElementsPositionUnits.value) { case "(m)": break; case "(km)": eovaMult = 1000; break; case "(AU)": eovaMult = 149597870691; break; case "(LY)": eovaMult = 9.4605284E+15; } // end switch inSMA = inSMA * eovaMult; ComputeStateVectors(); objx[targetObj] = xCreate + objx[referenceObj]; objy[targetObj] = yCreate + objy[referenceObj]; objz[targetObj] = zCreate + objz[referenceObj]; objvx[targetObj] = vxCreate + objvx[referenceObj]; objvy[targetObj] = vyCreate + objvy[referenceObj]; objvz[targetObj] = vzCreate + objvz[referenceObj]; } // end function editObjectsElementsApply() function rgbToHex(R,G,B) {return toHex(R)+toHex(G)+toHex(B)} function toHex(n) { n = parseInt(n,10); if (isNaN(n)) return "00"; n = Math.max(0,Math.min(n,255)); return "0123456789ABCDEF".charAt((n-n%16)/16) + "0123456789ABCDEF".charAt(n%16); } // end function toHex(n) function changeBarycenter() { if (checkBarycenter.checked) { for (var k = 0; k &lt;= 10000; k++) { systemElements[k] = 0; } numberOfSystemElements = 0; for (k = 1; k &lt;= objects; k++) { ComputeOrbitalElements(k, focusObject) if (E &lt; 1 &amp;&amp; objMass[k] &gt; 0 &amp;&amp; objMass[k] &lt; objMass[focusObject]) { numberOfSystemElements++; systemElements[numberOfSystemElements] = k; } } // next k } // end if checkBarycenter.checked } // end function changeBarycenter function changeBarycenterA() { if (checkBarycenterPerspectiveA.checked) { for (var k = 0; k &lt;= 10000; k++) { systemElementsA[k] = 0; } numberOfSystemElementsA = 0; for (k = 1; k &lt;= objects; k++) { ComputeOrbitalElements(k, toObjA) if (E &lt; 1 &amp;&amp; objMass[k] &gt; 0 &amp;&amp; objMass[k] &lt;= objMass[toObjA]) { numberOfSystemElementsA++; systemElementsA[numberOfSystemElementsA] = k; } } // next k } // end if checkBarycenterPerspectiveA.checked } // end function changeBarycenterA function changeBarycenterB() { if (checkBarycenterPerspectiveB.checked) { for (var k = 0; k &lt;= 10000; k++) { systemElementsB[k] = 0; } numberOfSystemElementsB = 0; for (k = 1; k &lt;= objects; k++) { ComputeOrbitalElements(k, toObjB) if (E &lt; 1 &amp;&amp; objMass[k] &gt; 0 &amp;&amp; objMass[k] &lt;= objMass[toObjB]) { numberOfSystemElementsB++; systemElementsB[numberOfSystemElementsB] = k; } } // next k } // end if checkBarycenterPerspectiveB.checked } // end function changeBarycenterB function changeMinimumObjectSize() { minimumObjectSize = txtMinimumObjectSize.value; } function changeMinimumObjectSizeA() { minimumObjectSizeA = txtMinimumObjectSizeA.value; } function changeMinimumObjectSizeB() { minimumObjectSizeB = txtMinimumObjectSizeB.value; } function changeTrailSize() { trailSize = txtTrailSize.value; } function changeTrailSizeA() { trailSizeA = txtTrailSizeA.value; } function changeTrailSizeB() { trailSizeB = txtTrailSizeB.value; } function mySaveAs() { if (checkMedia.checked) {divMenuShow.style.visibility = 'hidden'; divMenu.style.visibility = 'hidden'} var pieces = (txtSaveAsFileName.value).split(","); var saveAsFileName = pieces[0]; if (pieces.length &gt; 1) { var saveAsExtras = pieces[1]; } else { var saveAsExtras = ''; } var codeBlock1 = "&lt;!DOCTYPE html&gt;" + String.fromCharCode(10) + "&lt;html id ='htmlAll'&gt;" + String.fromCharCode(10) + "&lt;head&gt;"; spanSimURL.innerHTML = ''; hideMe('divSaveAs'); var codeBlockFull = htmlAll.innerHTML; document.getElementById('divSaveAs').style.visibility='visible' var res1 = codeBlockFull.split(" &lt;meta http" + "-equiv"); var codeblock1_1 = ""; codeblock1_1 = codeblock1_1 + " &lt;title&gt;" + saveAsFileName + "&lt;/title&gt;" + String.fromCharCode(10); codeblock1_1 = codeblock1_1 + " &lt;meta name = 'keywords' content = " + String.fromCharCode(34) + txtSaveAsKeywords.value + String.fromCharCode(34) + "&gt;" + String.fromCharCode(10); codeblock1_1 = codeblock1_1 + " &lt;meta name = 'description' content = " + String.fromCharCode(34) + txtAreaSaveAsDescription.value + String.fromCharCode(34) + "&gt;" + String.fromCharCode(10); codeblock1_1 = codeblock1_1 + " &lt;meta name = 'author' content = 'Tony Dunn, " + txtSaveAsAuthor.value + "'&gt;" + String.fromCharCode(10); codeblock1_1 = codeblock1_1 + " &lt;meta http" + "-equiv"; codeBlockFull = res1[1]; var res2 = codeBlockFull.split("function" + " initializeDivs() {"); codeBlock2 = res2[0] + String.fromCharCode(10) + "function" + " initializeDivs() {" + String.fromCharCode(10); codeBlockFull = res2[1]; //codeBlock3 generated below -- contains div info var res3 = codeBlockFull.split("function" + " initializeStuff() {"); codeBlock5 = String.fromCharCode(10) + "function" + " initializeStuff() {" + res3[1] + String.fromCharCode(10) + "&lt;/html&gt;"; var oString = ''; var nextLine = ';' + String.fromCharCode(10); dummy = canvasPixelsPerspectiveA.offsetTop; dummy2 = canvasPixelsPerspectiveA.offsetLeft; dummy3 = canvasPixelsPerspectiveA.height; dummy4 = canvasPixelsPerspectiveA.width; if (checkTopDown.checked) { // override auto values oString = oString + "txtPerspectiveATop.value = '" + (canvasPixelsPerspectiveA.offsetTop).toString() + "'" + nextLine; oString = oString + "txtPerspectiveALeft.value = '" + (canvasPixelsPerspectiveA.offsetLeft).toString() + "'" + nextLine; oString = oString + "txtPerspectiveBTop.value = '" + (canvasPixelsPerspectiveB.offsetTop).toString() + "'" + nextLine; oString = oString + "txtPerspectiveBLeft.value = '" + (canvasPixelsPerspectiveB.offsetLeft).toString() + "'" + nextLine; oString = oString + "txtPerspectiveAHeight.value = '" + (canvasPixelsPerspectiveA.height).toString() + "'" + nextLine; oString = oString + "txtPerspectiveAWidth.value = '" + (canvasPixelsPerspectiveA.width).toString() + "'" + nextLine; oString = oString + "txtPerspectiveBHeight.value = '" + (canvasPixelsPerspectiveB.height).toString() + "'" + nextLine; oString = oString + "txtPerspectiveBWidth.value = '" + (canvasPixelsPerspectiveB.width).toString() + "'" + nextLine; } // end if (checkTopDown) oString = oString + "centerPlayButton()" + nextLine; if (txtSaveAsFileName.value.indexOf("#$") != -1) { oString = oString + "bPause = 1" + nextLine; oString = oString + "timeStep = " + timeStepPause.toString() + "; timerInterval = " + timerInterval.toString() + ";" + String.fromCharCode(10); //oString = oString + "timeStepPause = " + timeStepPause.toString() + nextLine; oString = oString + "stealth = true" + nextLine; } else { oString = oString + "bPause = " + bPause.toString() + nextLine; oString = oString + "timeStep = " + timeStep.toString() + "; timerInterval = " + timerInterval.toString() + ";" + String.fromCharCode(10); oString = oString + "timeStepPause = " + timeStepPause.toString() + nextLine; } if (checkMedia.checked &amp;&amp; txtSaveAsFileName.value.indexOf("!@") != -1) { oString = oString + "checkMedia.checked = " + checkMedia.checked.toString() + nextLine; } else { oString = oString + "checkMedia.checked = false" + nextLine; } oString = oString + "checkTopDown.checked = " + checkTopDown.checked.toString() + nextLine; oString = oString + "checkPerspectiveA.checked = " + checkPerspectiveA.checked.toString() + nextLine; oString = oString + "checkPerspectiveB.checked = " + checkPerspectiveB.checked.toString() + nextLine; oString = oString + "fromObjA = " + fromObjA.toString() + "; " + "toObjA = " + toObjA.toString() + ";" + String.fromCharCode(10); oString = oString + "fromObjB = " + fromObjB.toString() + "; " + "toObjB = " + toObjB.toString() + ";" + String.fromCharCode(10); oString = oString + "targetObjectEOV = " + targetObjectEOV.toString() + "; " + "referenceObjectEOV = " + referenceObjectEOV.toString() + ";" + String.fromCharCode(10); oString = oString + "targetObjectEOE = " + targetObjectEOE.toString() + "; " + "referenceObjectEOE = " + referenceObjectEOE.toString() + ";" + String.fromCharCode(10); oString = oString + "focusRF = " + focusRF.toString() + "; " + "referenceRF = " + referenceRF.toString() + ";" + String.fromCharCode(10); oString = oString + "checkBarycenterPerspectiveA.checked = " + checkBarycenterPerspectiveA.checked + "; " + "checkBarycenterPerspectiveB.checked = " + checkBarycenterPerspectiveB.checked + ";" + String.fromCharCode(10); oString = oString + "checkRealTime.checked = " + checkRealTime.checked.toString() + nextLine; oString = oString + "sI =" + sI.toString() + nextLine; oString = oString + "checkLabelsA.checked = " + checkLabelsA.checked.toString()+ ";" + String.fromCharCode(10); oString = oString + "checkLabelsB.checked = " + checkLabelsB.checked.toString()+ ";" + String.fromCharCode(10); oString = oString + "checkStereo.checked = " + checkStereo.checked.toString()+ ";" + String.fromCharCode(10); oString = oString + "checkStereoCA.checked = " + checkStereoCA.checked.toString()+ ";" + String.fromCharCode(10); oString = oString + "checkStarsA.checked = " + checkStarsA.checked.toString()+ ";" + String.fromCharCode(10); oString = oString + "checkStarsB.checked = " + checkStarsB.checked.toString()+ ";" + String.fromCharCode(10); oString = oString + "checkStarsLabelsA.checked = " + checkStarsLabelsA.checked.toString() + ";" + String.fromCharCode(10); oString = oString + "checkKBOsA.checked = " + checkKBOsA.checked.toString() + ";" + String.fromCharCode(10); oString = oString + "checkKBOsB.checked = " + checkKBOsB.checked.toString() + ";" + String.fromCharCode(10); oString = oString + "checkPreTrailsA.checked = " + checkPreTrailsA.checked.toString() + ";" + String.fromCharCode(10); oString = oString + "checkPreTrailsB.checked = " + checkPreTrailsB.checked.toString() + ";" + String.fromCharCode(10); oString = oString + "checkCrescentsA.checked = " + checkCrescentsA.checked.toString() + ";" + String.fromCharCode(10); oString = oString + "checkCrescentsB.checked = " + checkCrescentsB.checked.toString() + ";" + String.fromCharCode(10); oString = oString + "checkSunGraphicA.checked = " + checkSunGraphicA.checked.toString() + ";" + String.fromCharCode(10); oString = oString + "checkSunGraphicB.checked = " + checkSunGraphicB.checked.toString() + ";" + String.fromCharCode(10); oString = oString + "checkRF.checked = " + checkRF.checked.toString() + ";" + String.fromCharCode(10); oString = oString + "checkKeplerCA.checked = " + checkKeplerCA.checked.toString() + nextLine; oString = oString + "checkTrailsCA.checked = " + checkTrailsCA.checked.toString() + nextLine; oString = oString + "checkLabelsCA.checked = " + checkLabelsCA.checked.toString() + nextLine; oString = oString + "checkAxes.checked = " + checkAxes.checked.toString() + nextLine; oString = oString + String.fromCharCode(10); oString = oString + "gOpacity = " + gOpacity.toString() + nextLine; oString = oString + "txtOpacity.value = '" + gOpacity.toString() + "'" + nextLine; oString = oString + "changeOpacity()" + nextLine; oString = oString + "iterationsPerVisit = " + iterationsPerVisit.toString() + "; " + String.fromCharCode(10); oString = oString + "elapsedTime = " + elapsedTime.toString() + "; " + String.fromCharCode(10); oString = oString + "iterations = " + iterations.toString() + "; " + String.fromCharCode(10); oString = oString + "txtDoEvents.value = '" + iterationsPerVisit.toString() + "'" + nextLine; oString = oString + "startDate = " + startDate.toString() + nextLine; oString = oString + "julianStartDate = " + julianStartDate.toString() + nextLine; oString = oString + "sScaleA = " + sScaleA.toString() + nextLine; oString = oString + "sScaleB = " + sScaleB.toString() + nextLine; oString = oString + "txtFOVa.value = '" + sScaleA.toString() + "'" + nextLine; oString = oString + "txtFOVb.value = '" + sScaleB.toString() + "'" + nextLine; oString = oString + "minimumObjectSizeA = " + minimumObjectSizeA.toString() + nextLine; oString = oString + "trailSizeA = " + trailSizeA.toString() + nextLine; oString = oString + "minimumObjectSizeB = " + minimumObjectSizeB.toString() + nextLine; oString = oString + "trailSizeB = " + trailSizeB.toString() + nextLine; oString = oString + "txtMinimumObjectSizeA.value = '" + minimumObjectSizeA.toString() + "'" + nextLine; oString = oString + "txtMinimumObjectSizeB.value = '" + minimumObjectSizeB.toString() + "'" + nextLine; oString = oString + "txtTrailSizeA.value = '" + trailSizeA.toString() +"'" + nextLine; oString = oString + "txtTrailSizeB.value = '" + trailSizeB.toString() +"'" + nextLine; oString = oString + "txtFontA.value = '" + txtFontA.value + "'" + nextLine; oString = oString + "txtFontB.value = '" + txtFontB.value + "'" + nextLine; oString = oString + "rangeRotateCameraA.value = '" + rangeRotateCameraA.value.toString() + "'" + nextLine; oString = oString + "rangeRotateCameraZ.value = '" + rangeRotateCameraZ.value.toString() + "'" + nextLine; oString = oString + "rangeRotateCameraD.value = '" + rangeRotateCameraD.value.toString() + "'" + nextLine; apOtext = txtAreaQuickHelp.value; for (k = 1; k &lt;= 1000; k++) { apOtext = apOtext.replace(String.fromCharCode(10), "~"); apOtext = apOtext.replace(String.fromCharCode(13), "~"); apOtext = apOtext.replace(String.fromCharCode(34), "`"); } oString = oString + "apItext = " + String.fromCharCode(34) + apOtext + String.fromCharCode(34) + nextLine; oString = oString + "for (k = 1; k &lt;= 1000; k++) {" + String.fromCharCode(10); oString = oString + "apItext = apItext.replace('~', String.fromCharCode(10))" + nextLine; oString = oString + "apItext = apItext.replace('`', String.fromCharCode(34))" + nextLine; oString = oString + "}" + String.fromCharCode(10); oString = oString + "txtAreaQuickHelp.value = apItext" + nextLine; apOtext = txtAreaAPsingleEvents.value; for (k = 1; k &lt;= 1000; k++) { apOtext = apOtext.replace(String.fromCharCode(10), "~"); apOtext = apOtext.replace(String.fromCharCode(13), "~"); apOtext = apOtext.replace(String.fromCharCode(34), "`"); } oString = oString + "apItext = " + String.fromCharCode(34) + apOtext + String.fromCharCode(34) + nextLine; oString = oString + "for (k = 1; k &lt;= 1000; k++) {" + String.fromCharCode(10); oString = oString + "apItext = apItext.replace('~', String.fromCharCode(10))" + nextLine; oString = oString + "apItext = apItext.replace('`', String.fromCharCode(34))" + nextLine; oString = oString + "}" + String.fromCharCode(10); oString = oString + "txtAreaAPsingleEvents.value = apItext" + nextLine; oString = oString + "updateAPsingleEvents()" + nextLine; apOtext = txtAreaAPperIteration.value; for (k = 1; k &lt;= 1000; k++) { apOtext = apOtext.replace(String.fromCharCode(10), "~"); apOtext = apOtext.replace(String.fromCharCode(13), "~"); apOtext = apOtext.replace(String.fromCharCode(34), "`"); } oString = oString + "apItext = " + String.fromCharCode(34) + apOtext + String.fromCharCode(34) + nextLine; oString = oString + "for (k = 1; k &lt;= 1000; k++) {" + String.fromCharCode(10); oString = oString + "apItext = apItext.replace('~', String.fromCharCode(10))" + nextLine; oString = oString + "apItext = apItext.replace('`', String.fromCharCode(34))" + nextLine; oString = oString + "}" + String.fromCharCode(10); oString = oString + "txtAreaAPperIteration.value = apItext" + nextLine; oString = oString + "updateAPperIteration()" + nextLine; apOtext = txtAreaAPperGraphicUpdate.value; for (k = 1; k &lt;= 1000; k++) { apOtext = apOtext.replace(String.fromCharCode(10), "~"); apOtext = apOtext.replace(String.fromCharCode(13), "~"); apOtext = apOtext.replace(String.fromCharCode(34), "`"); } oString = oString + "apItext = " + String.fromCharCode(34) + apOtext + String.fromCharCode(34) + nextLine; oString = oString + "for (k = 1; k &lt;= 1000; k++) {" + String.fromCharCode(10); oString = oString + "apItext = apItext.replace('~', String.fromCharCode(10))" + nextLine; oString = oString + "apItext = apItext.replace('`', String.fromCharCode(34))" + nextLine; oString = oString + "}" + String.fromCharCode(10); oString = oString + "txtAreaAPperGraphicUpdate.value = apItext" + nextLine; oString = oString + "updateAPperGraphicUpdate()" + nextLine; oString = oString + "citiesLatA = " + citiesLatA.toString() + nextLine; oString = oString + "citiesLonA = " + citiesLonA.toString() + nextLine; oString = oString + "citiesLatB = " + citiesLatB.toString() + nextLine; oString = oString + "citiesLonB = " + citiesLonB.toString() + nextLine; oString = oString + "txtLatitudeCitiesA.value = '" + citiesLatA.toString() + "'" + nextLine; oString = oString + "txtLongitudeCitiesA.value = '" + citiesLonA.toString() + "'" + nextLine; oString = oString + "selectCitiesA.value = " + selectCitiesA.value + nextLine; oString = oString + "txtLatitudeCitiesB.value = '" + citiesLatB.toString() + "'" + nextLine; oString = oString + "txtLongitudeCitiesB.value = '" + citiesLonB.toString() + "'" + nextLine; oString = oString + "selectCitiesB.value = " + selectCitiesB.value + nextLine; oString = oString + "selectvectorObj1A.selectedIndex = " + selectvectorObj1A.selectedIndex + nextLine; oString = oString + "selectvectorObj2A.selectedIndex = " + selectvectorObj2A.selectedIndex + nextLine; oString = oString + "vectorObj1A = " + (selectvectorObj1A.selectedIndex + 1).toString() + nextLine; oString = oString + "vectorObj2A = " + (selectvectorObj2A.selectedIndex + 1).toString() + nextLine; oString = oString + "selectStars.selectedIndex = " + selectStars.selectedIndex + nextLine; oString = oString + "txtStarBrightness.value = '" + txtStarBrightness.value + "'" + nextLine; oString = oString + "txtGridBrightness.value = '" + txtGridBrightness.value + "'" + nextLine; oString = oString + "txtRaSpacing.value = '" + txtRaSpacing.value + "'" + nextLine; oString = oString + "txtDecSpacing.value = '" + txtDecSpacing.value + "'" + nextLine; oString = oString + "txtGridColor.value = '" + txtGridColor.value + "'" + nextLine; oString = oString + "checkRaDec.checked = " + checkRaDec.checked.toString() + nextLine; oString = oString + "selectTargetObjectEOV.selectedIndex = " + document.getElementById('selectTargetObjectEOV').selectedIndex.toString() + nextLine; if (radioParallel.checked) { oString = oString + "radioParallel.checked = true" + nextLine; } else { oString = oString + "radioCrosseye.checked = true" + nextLine; } if (radioTrueLongitude.checked) { oString = oString + "radioTrueLongitude.checked = true" + nextLine; } else { oString = oString + "radioMeanLongitude.checked = true" + nextLine; } oString = oString + "txtBaseline.value = '" + txtBaseline.value + "'" + nextLine; oString = oString + "txtLongitudeRF.value = '" + txtLongitudeRF.value + "'" + nextLine; oString = oString + "txtAltitudeRF.value = '" + txtAltitudeRF.value + "'" + nextLine; oString = oString + "txtDistanceRF.value = '" + txtDistanceRF.value + "'" + nextLine; oString = oString + "integrator = '" + selectIntegrator.value + "'" + nextLine; oString = oString + "selectIntegrator.value = '" + selectIntegrator.value + "'" + nextLine; oString = oString + "txtStepsPerRadian.value = '" + txtStepsPerRadian.value + "'" + nextLine; codeBlock3 = String.fromCharCode(10) + oString + "}" + String.fromCharCode(10); oString = 'objects = ' + objects.toString() + ";" + String.fromCharCode(10); for (k = 1; k &lt;= objects; k++) { ks = k.toString(); for (j = 1; j &lt; 20; j++) { objName[k] = objName[k].replace(String.fromCharCode(10), ""); objName[k] = objName[k].replace(String.fromCharCode(13), ""); } oString = oString + "objName[" + ks + "] = '" + objName[k] + "';" + String.fromCharCode(10); oString = oString + "objReferenceObject[" + ks + "] = '" + objReferenceObject[k] + "';" + String.fromCharCode(10); oString = oString + "objx[" + ks + "] = " + objx[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objy[" + ks + "] = " + objy[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objz[" + ks + "] = " + objz[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objvx[" + ks + "] = " + objvx[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objvy[" + ks + "] = " + objvy[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objvz[" + ks + "] = " + objvz[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objMass[" + ks + "] = " + objMass[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objDiameter[" + ks + "] = " + objDiameter[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objColorRed[" + ks + "] = " + objColorRed[k].toString() + "; "; oString = oString + "objColorGreen[" + ks + "] = " + objColorGreen[k].toString() + "; "; oString = oString + "objColorBlue[" + ks + "] = " + objColorBlue[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objShadowRed[" + ks + "] = " + objShadowRed[k].toString() + "; "; oString = oString + "objShadowGreen[" + ks + "] = " + objShadowGreen[k].toString() + "; "; oString = oString + "objShadowBlue[" + ks + "] = " + objShadowBlue[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objLabelRed[" + ks + "] = " + objLabelRed[k].toString() + "; "; oString = oString + "objLabelGreen[" + ks + "] = " + objLabelGreen[k].toString() + "; "; oString = oString + "objLabelBlue[" + ks + "] = " + objLabelBlue[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objTrailRed[" + ks + "] = " + objTrailRed[k].toString() + "; "; oString = oString + "objTrailGreen[" + ks + "] = " + objTrailGreen[k].toString() + "; "; oString = oString + "objTrailBlue[" + ks + "] = " + objTrailBlue[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objSubZRed[" + ks + "] = " + objSubZRed[k].toString() + "; "; oString = oString + "objSubZGreen[" + ks + "] = " + objSubZGreen[k].toString() + "; "; oString = oString + "objSubZBlue[" + ks + "] = " + objSubZBlue[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objPreTrail[" + ks + "] = " + objPreTrail[k].toString() + nextLine + String.fromCharCode(10); } for (k = objects + 1; k &lt;= objects + 2; k++) { ks = k.toString(); objName[objects + 1] = 'Camera A'; objName[objects + 2] = 'Camera B'; for (j = 1; j &lt; 20; j++) { objName[k] = objName[k].replace(String.fromCharCode(10), ""); objName[k] = objName[k].replace(String.fromCharCode(13), ""); } oString = oString + "objName[" + ks + "] = '" + objName[k] + "';" + String.fromCharCode(10); oString = oString + "objReferenceObject[" + ks + "] = '" + objReferenceObject[k] + "';" + String.fromCharCode(10); oString = oString + "objx[" + ks + "] = " + objx[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objy[" + ks + "] = " + objy[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objz[" + ks + "] = " + objz[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objvx[" + ks + "] = " + objvx[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objvy[" + ks + "] = " + objvy[k].toString() + ";" + String.fromCharCode(10); oString = oString + "objvz[" + ks + "] = " + objvz[k].toString() + ";" + String.fromCharCode(10); } oString = oString + "cameraAx = " + objx[objects + 1] + ";" + String.fromCharCode(10); oString = oString + "cameraAy = " + objy[objects + 1] + ";" + String.fromCharCode(10); oString = oString + "cameraAz = " + objz[objects + 1] + ";" + String.fromCharCode(10); oString = oString + "cameraAvx = " + objvx[objects + 1] + ";" + String.fromCharCode(10); oString = oString + "cameraAvy = " + objvy[objects + 1] + ";" + String.fromCharCode(10); oString = oString + "cameraAvz = " + objvz[objects + 1] + ";" + String.fromCharCode(10); oString = oString + "cameraBx = " + objx[objects + 2] + ";" + String.fromCharCode(10); oString = oString + "cameraBy = " + objy[objects + 2] + ";" + String.fromCharCode(10); oString = oString + "cameraBz = " + objz[objects + 2] + ";" + String.fromCharCode(10); oString = oString + "cameraBvx = " + objvx[objects + 2] + ";" + String.fromCharCode(10); oString = oString + "cameraBvy = " + objvy[objects + 2] + ";" + String.fromCharCode(10); oString = oString + "cameraBvz = " + objvz[objects + 2] + ";" + String.fromCharCode(10); oString = oString + "selectTargetObjectEOV.selectedIndex = " + selectTargetObjectEOV.selectedIndex.toString() + nextLine; codeBlock4 = "function initializeObjects() {" + String.fromCharCode(10) + oString + String.fromCharCode(10) + "}" + String.fromCharCode(10); txtAreaSaveAs.value = codeBlock1 + String.fromCharCode(10) + codeblock1_1 + codeBlock2 + String.fromCharCode(10) + codeBlock3 + String.fromCharCode(10) + codeBlock4 + String.fromCharCode(10) + codeBlock5; if (checkSaveAsTempLink.checked) { var ajax = new XMLHttpRequest(); ajax.open('POST', 'http://orbitsimulator.com/gravitySimulatorCloud/gsimSaveAs.php', false); ajax.send(saveAsDs + saveAsFileName + String.fromCharCode(17) + (checkSaveAsShare.checked).toString() + String.fromCharCode(17) + txtAreaSaveAs.value); spanSimURL.innerHTML = "&lt;a href = 'http://orbitsimulator.com/gravitySimulatorCloud/simulations/" + saveAsDs + saveAsFileName + ".html'&gt;http://orbitsimulator.com/gravitySimulatorCloud/simulations/" + saveAsDs + saveAsFileName + "&lt;/a&gt;"; navigateTo = "http://orbitsimulator.com/gravitySimulatorCloud/simulations/" + saveAsDs +saveAsFileName + ".html" } // if (checkSaveAsTempLink.checked) divMenuShow.style.visibility = 'visible'; divMenu.style.visibility = 'visible'; } // end function mySaveAs() function play() { integrator = selectIntegrator.value; preferencesStepsPerRadian = parseFloat(txtStepsPerRadian.value); for (iteration = 1; iteration &lt;= iterationsPerVisit; iteration++) { switch(integrator) { case "RK4vtsc": if (timeStep != 9e-29) { RK4vts(); elapsedTime = elapsedTime + timeStep; if (tsmin &lt; preferencesStepsPerRadian &amp;&amp; stepsPerRadian != 0) { timeStep = timeStep / 2; spanTimeStep.innerHTML = timeStep.toString(); } if (tsmin &gt; preferencesStepsPerRadian * 2.5) { timeStep = timeStep * 2; spanTimeStep.innerHTML = timeStep.toString(); } } // end if (timeStep != 9e-29) if (collisions &gt; 0) { for (k = 1; k &lt;= collisions; k++) { collisionV = Math.sqrt((objvx[collisionObjectA[k]] - objvx[collisionObjectB[k]]) * (objvx[collisionObjectA[k]] - objvx[collisionObjectB[k]]) + (objvy[collisionObjectA[k]] - objvy[collisionObjectB[k]]) * (objvy[collisionObjectA[k]] - objvy[collisionObjectB[k]]) + (objvz[collisionObjectA[k]] - objvz[collisionObjectB[k]]) * (objvz[collisionObjectA[k]] - objvz[collisionObjectB[k]])); collisionLog = collisionLog + objName[collisionObjectA[k]] + ' collided with ' + objName[collisionObjectB[k]] + ' on ' + UTC(elapsedTime * 1000 + startDate) + " at " + collisionV.toString() + " m/s" + String.fromCharCode(10); txtAreaCollisionLog.value = collisionLog; combinedMass = objMass[collisionObjectA[k]] + objMass[collisionObjectB[k]]; momentumX = objMass[collisionObjectA[k]] * objvx[collisionObjectA[k]] + objMass[collisionObjectB[k]] * objvx[collisionObjectB[k]]; momentumY = objMass[collisionObjectA[k]] * objvy[collisionObjectA[k]] + objMass[collisionObjectB[k]] * objvy[collisionObjectB[k]]; momentumZ = objMass[collisionObjectA[k]] * objvz[collisionObjectA[k]] + objMass[collisionObjectB[k]] * objvz[collisionObjectB[k]]; newVx = momentumX / combinedMass; newVy = momentumY / combinedMass; newVz = momentumZ / combinedMass; radiusA = objDiameter[collisionObjectA[k]] / 2; radiusB = objDiameter[collisionObjectB[k]] / 2; if (radiusA == 0) {radiusA = 1e-27} if (radiusB == 0) {radiusB = 1e-27} densityA = objMass[collisionObjectA[k]] / (4 * Math.PI * radiusA * radiusA * radiusA / 3); densityB = objMass[collisionObjectB[k]] / (4 * Math.PI * radiusB * radiusB * radiusB / 3); newDensity = (densityA * objMass[collisionObjectA[k]] + densityB * objMass[collisionObjectB[k]]) / (objMass[collisionObjectA[k]] + objMass[collisionObjectB[k]]); newRadius = Math.pow((3 * combinedMass / (4 * Math.PI * newDensity)), (1/3)); if (objMass[collisionObjectA[k]] &gt; objMass[collisionObjectB[k]]) { objName[collisionObjectB[k]] = objName[collisionObjectB[k]] + ' / ' + objName[collisionObjectA[k]]; objMass[collisionObjectA[k]] = combinedMass; objColorRed[collisionObjectA[k]] = parseInt((objColorRed[collisionObjectA[k]] * objMass[collisionObjectA[k]] + objColorRed[collisionObjectB[k]] * objMass[collisionObjectB[k]]) / (objMass[collisionObjectA[k]] + objMass[collisionObjectB[k]])); objColorGreen[collisionObjectA[k]] = parseInt((objColorGreen[collisionObjectA[k]] * objMass[collisionObjectA[k]] + objColorGreen[collisionObjectB[k]] * objMass[collisionObjectB[k]]) / (objMass[collisionObjectA[k]] + objMass[collisionObjectB[k]])); objColorBlue[collisionObjectA[k]] = parseInt((objColorBlue[collisionObjectA[k]] * objMass[collisionObjectA[k]] + objColorBlue[collisionObjectB[k]] * objMass[collisionObjectB[k]]) / (objMass[collisionObjectA[k]] + objMass[collisionObjectB[k]])); objColorRed[collisionObjectB[k]] = 0; objColorGreen[collisionObjectB[k]] = 0; objColorBlue[collisionObjectB[k]] = 0; objDiameter[collisionObjectA[k]] = newRadius * 2; objvx[collisionObjectA[k]] = newVx; objvy[collisionObjectA[k]] = newVy; objvz[collisionObjectA[k]] = newVz; objvx[collisionObjectB[k]] = 0; objvy[collisionObjectB[k]] = 0; objvz[collisionObjectB[k]] = 0; objx[collisionObjectB[k]] = 10e15; objy[collisionObjectB[k]] = 10e15; objz[collisionObjectB[k]] = 10e15; objMass[collisionObjectB[k]] = 0; } else { objName[collisionObjectA[k]] = objName[collisionObjectA[k]] + '/' + objName[collisionObjectB[k]]; objMass[collisionObjectB[k]] = combinedMass; objColorRed[collisionObjectB[k]] = parseInt((objColorRed[collisionObjectB[k]] * objMass[collisionObjectB[k]] + objColorRed[collisionObjectA[k]] * objMass[collisionObjectA[k]]) / (objMass[collisionObjectB[k]] + objMass[collisionObjectA[k]])); objColorGreen[collisionObjectB[k]] = parseInt((objColorGreen[collisionObjectB[k]] * objMass[collisionObjectB[k]] + objColorGreen[collisionObjectA[k]] * objMass[collisionObjectA[k]]) / (objMass[collisionObjectB[k]] + objMass[collisionObjectA[k]])); objColorBlue[collisionObjectB[k]] = parseInt((objColorBlue[collisionObjectB[k]] * objMass[collisionObjectB[k]] + objColorBlue[collisionObjectA[k]] * objMass[collisionObjectA[k]]) / (objMass[collisionObjectB[k]] + objMass[collisionObjectA[k]])); objColorRed[collisionObjectA[k]] = 0; objColorGreen[collisionObjectA[k]] = 0; objColorBlue[collisionObjectA[k]] = 0; objDiameter[collisionObjectB[k]] = newRadius * 2; objvx[collisionObjectB[k]] = newVx; objvy[collisionObjectB[k]] = newVy; objvz[collisionObjectB[k]] = newVz; objvx[collisionObjectA[k]] = 0; objvy[collisionObjectA[k]] = 0; objvz[collisionObjectA[k]] = 0; objx[collisionObjectA[k]] = 10e15; objy[collisionObjectA[k]] = 10e15; objz[collisionObjectA[k]] = 10e15; objMass[collisionObjectA[k]] = 0; } } // next k collisions = 0; populateSelectBoxes(); } // if (collisions &gt; 0) break; case "RK4vts": RK4vts(); if (timeStep != 9e-29) { elapsedTime = elapsedTime + timeStep; if (tsmin &lt; preferencesStepsPerRadian &amp;&amp; stepsPerRadian != 0) { timeStep = timeStep / 2; spanTimeStep.innerHTML = timeStep.toString(); } if (tsmin &gt; preferencesStepsPerRadian * 2.5) { timeStep = timeStep * 2; spanTimeStep.innerHTML = timeStep.toString(); } } // end if(timeStep != 9e-29) break; case "RK4c": RK4vts(); elapsedTime = elapsedTime + timeStep; if (collisions &gt; 0) { for (k = 1; k &lt;= collisions; k++) { collisionV = Math.sqrt((objvx[collisionObjectA[k]] - objvx[collisionObjectB[k]]) * (objvx[collisionObjectA[k]] - objvx[collisionObjectB[k]]) + (objvy[collisionObjectA[k]] - objvy[collisionObjectB[k]]) * (objvy[collisionObjectA[k]] - objvy[collisionObjectB[k]]) + (objvz[collisionObjectA[k]] - objvz[collisionObjectB[k]]) * (objvz[collisionObjectA[k]] - objvz[collisionObjectB[k]])); collisionLog = collisionLog + objName[collisionObjectA[k]] + ' collided with ' + objName[collisionObjectB[k]] + ' on ' + UTC(elapsedTime * 1000 + startDate) + " at " + collisionV.toString() + " m/s" + String.fromCharCode(10); txtAreaCollisionLog.value = collisionLog; combinedMass = objMass[collisionObjectA[k]] + objMass[collisionObjectB[k]]; momentumX = objMass[collisionObjectA[k]] * objvx[collisionObjectA[k]] + objMass[collisionObjectB[k]] * objvx[collisionObjectB[k]]; momentumY = objMass[collisionObjectA[k]] * objvy[collisionObjectA[k]] + objMass[collisionObjectB[k]] * objvy[collisionObjectB[k]]; momentumZ = objMass[collisionObjectA[k]] * objvz[collisionObjectA[k]] + objMass[collisionObjectB[k]] * objvz[collisionObjectB[k]]; newVx = momentumX / combinedMass; newVy = momentumY / combinedMass; newVz = momentumZ / combinedMass; radiusA = objDiameter[collisionObjectA[k]] / 2; radiusB = objDiameter[collisionObjectB[k]] / 2; if (radiusA == 0) {radiusA = 1e-27} if (radiusB == 0) {radiusB = 1e-27} densityA = objMass[collisionObjectA[k]] / (4 * Math.PI * radiusA * radiusA * radiusA / 3); densityB = objMass[collisionObjectB[k]] / (4 * Math.PI * radiusB * radiusB * radiusB / 3); newDensity = (densityA * objMass[collisionObjectA[k]] + densityB * objMass[collisionObjectB[k]]) / (objMass[collisionObjectA[k]] + objMass[collisionObjectB[k]]); newRadius = Math.pow((3 * combinedMass / (4 * Math.PI * newDensity)), (1/3)); if (objMass[collisionObjectA[k]] &gt; objMass[collisionObjectB[k]]) { objName[collisionObjectB[k]] = objName[collisionObjectB[k]] + ' / ' + objName[collisionObjectA[k]]; objMass[collisionObjectA[k]] = combinedMass; objColorRed[collisionObjectA[k]] = parseInt((objColorRed[collisionObjectA[k]] * objMass[collisionObjectA[k]] + objColorRed[collisionObjectB[k]] * objMass[collisionObjectB[k]]) / (objMass[collisionObjectA[k]] + objMass[collisionObjectB[k]])); objColorGreen[collisionObjectA[k]] = parseInt((objColorGreen[collisionObjectA[k]] * objMass[collisionObjectA[k]] + objColorGreen[collisionObjectB[k]] * objMass[collisionObjectB[k]]) / (objMass[collisionObjectA[k]] + objMass[collisionObjectB[k]])); objColorBlue[collisionObjectA[k]] = parseInt((objColorBlue[collisionObjectA[k]] * objMass[collisionObjectA[k]] + objColorBlue[collisionObjectB[k]] * objMass[collisionObjectB[k]]) / (objMass[collisionObjectA[k]] + objMass[collisionObjectB[k]])); objColorRed[collisionObjectB[k]] = 0; objColorGreen[collisionObjectB[k]] = 0; objColorBlue[collisionObjectB[k]] = 0; objDiameter[collisionObjectA[k]] = newRadius * 2; objvx[collisionObjectA[k]] = newVx; objvy[collisionObjectA[k]] = newVy; objvz[collisionObjectA[k]] = newVz; objvx[collisionObjectB[k]] = 0; objvy[collisionObjectB[k]] = 0; objvz[collisionObjectB[k]] = 0; objx[collisionObjectB[k]] = 10e15; objy[collisionObjectB[k]] = 10e15; objz[collisionObjectB[k]] = 10e15; objMass[collisionObjectB[k]] = 0; } else { objName[collisionObjectA[k]] = objName[collisionObjectA[k]] + '/' + objName[collisionObjectB[k]]; objMass[collisionObjectB[k]] = combinedMass; objColorRed[collisionObjectB[k]] = parseInt((objColorRed[collisionObjectB[k]] * objMass[collisionObjectB[k]] + objColorRed[collisionObjectA[k]] * objMass[collisionObjectA[k]]) / (objMass[collisionObjectB[k]] + objMass[collisionObjectA[k]])); objColorGreen[collisionObjectB[k]] = parseInt((objColorGreen[collisionObjectB[k]] * objMass[collisionObjectB[k]] + objColorGreen[collisionObjectA[k]] * objMass[collisionObjectA[k]]) / (objMass[collisionObjectB[k]] + objMass[collisionObjectA[k]])); objColorBlue[collisionObjectB[k]] = parseInt((objColorBlue[collisionObjectB[k]] * objMass[collisionObjectB[k]] + objColorBlue[collisionObjectA[k]] * objMass[collisionObjectA[k]]) / (objMass[collisionObjectB[k]] + objMass[collisionObjectA[k]])); objColorRed[collisionObjectA[k]] = 0; objColorGreen[collisionObjectA[k]] = 0; objColorBlue[collisionObjectA[k]] = 0; objDiameter[collisionObjectB[k]] = newRadius * 2; objvx[collisionObjectB[k]] = newVx; objvy[collisionObjectB[k]] = newVy; objvz[collisionObjectB[k]] = newVz; objvx[collisionObjectA[k]] = 0; objvy[collisionObjectA[k]] = 0; objvz[collisionObjectA[k]] = 0; objx[collisionObjectA[k]] = 10e15; objy[collisionObjectA[k]] = 10e15; objz[collisionObjectA[k]] = 10e15; objMass[collisionObjectA[k]] = 0; } } // next k collisions = 0; populateSelectBoxes(); } // if (collisions &gt; 0) break; case "RK4": RK4vts(); elapsedTime = elapsedTime + timeStep; break; case "Euler": Euler(); elapsedTime = elapsedTime + timeStep; break; } // end switch(integrator) if (timeStep &gt; 0) { for (k = 1; k &lt;= nAutoPilot; k++) { if (elapsedTime &gt; autoPilotTime[k] - timeStep &amp;&amp; elapsedTime &lt;= autoPilotTime[k]) { eval (autoPilotCommand[k]); } } } else { for (k = 1; k &lt;= nAutoPilot; k++) { if (elapsedTime &lt; autoPilotTime[k] - timeStep &amp;&amp; elapsedTime &gt;= autoPilotTime[k]) { eval (autoPilotCommand[k]); } } } eval(APperIterationCode); } // next iteration eval(APperGraphicUpdateCode); if (divBigA.style.visibility == 'hidden') {}else { var x = divHorizontal.offsetLeft + divAzimuthBar.offsetLeft + divAzimuth.offsetLeft + divAzimuth.offsetWidth/2; var A = divHorizontal.offsetLeft + divAzimuthBar.offsetLeft; var B = A + divAzimuthBar.offsetWidth; var range = B - A - divAzimuth.offsetWidth; var Lbound = A + divAzimuth.offsetWidth/2; var Rbound = B - divAzimuth.offsetWidth/2; if (x &lt; Lbound) {x = Lbound} if (x &gt; Rbound) {x = Rbound} var pct = (x-Lbound) / range; var rad = 2 * pi * pct; rangeRotateCameraA.value = rad; var x = divHorizontal.offsetLeft + divZoomBar.offsetLeft + divZoom.offsetLeft + divZoom.offsetWidth/2; var A = divHorizontal.offsetLeft + divZoomBar.offsetLeft; var B = A + divZoomBar.offsetWidth; var range = B - A - divZoom.offsetWidth; var Lbound = A + divZoom.offsetWidth/2; var Rbound = B - divZoom.offsetWidth/2; if (x &lt; Lbound) {x = Lbound} if (x &gt; Rbound) {x = Rbound} var pct = (x-Lbound) / range; var rad = 21 * pct; sScaleA = rad * 250 * Math.pow(2, rad); //sScaleA = sScaleA / 2; txtFOVa.value = sScaleA; //perspectiveClsA(); //perspectiveTrailsClsA(); var x = divVertical.offsetTop + divAltitudeBar.offsetTop + divAltitude.offsetTop + divAltitude.offsetHeight/2; var A = divVertical.offsetTop + divAltitudeBar.offsetTop; var B = A + divAltitudeBar.offsetHeight; var range = B - A - divAltitude.offsetHeight; var Lbound = A + divAltitude.offsetHeight/2; var Rbound = B - divAltitude.offsetHeight/2; if (x &lt; Lbound) {x = Lbound} if (x &gt; Rbound) {x = Rbound} var pct = (x-Lbound) / range; var rad = pi * pct; rangeRotateCameraZ.value = rad; var x = divVertical.offsetTop + divDistanceBar.offsetTop + divDistance.offsetTop + divDistance.offsetHeight/2; var A = divVertical.offsetTop + divDistanceBar.offsetTop; var B = A + divDistanceBar.offsetHeight; var range = B - A - divDistance.offsetHeight; var Lbound = A + divDistance.offsetHeight/2; var Rbound = B - divDistance.offsetHeight/2; if (x &lt; Lbound) {x = Lbound} if (x &gt; Rbound) {x = Rbound} var pct = (x-Lbound) / range; var dMin = Number(rangeRotateCameraD.min); var dMax = Number(rangeRotateCameraD.max); var range2 = dMax - dMin; var rad = range2 * pct; rangeRotateCameraD.value = parseInt(rad + dMin); //txtAreaQuickHelp.value = rangeRotateCameraD.value + LF; //txtAreaQuickHelp.value += Math.pow(rangeRotateCameraD.value, 4) / 40000; rotateCameraA; } if (cJPL &gt; 10) { cJPL = -1; var qrStr = window.location.search; if (queryArray[0] == '?JPL') { for (var kJPL = 1; kJPL &lt;=100; kJPL++){ queryArray[k] = queryArray[k].replace('%20', ' '); queryArray[k] = queryArray[k].replace('_', ' '); } for (var kJPL = 1; kJPL &lt; queryArray.length; kJPL++) { JPL = queryArray[kJPL]; txtImportObjectsLite.value = JPL; txtImportColor.value = '0FFFCF'; importAnObject(); JPL = ''; } document.title = objName[objects]; ComputeOrbitalElements(objects,1); var Q = oeSMA * (1 + oeEcc); //rangeRotateCameraD.value = Math.pow(Q * 40 * 40000 / AU, 0.25); rrcd = Math.pow(Q * 40 * 40000 / AU, 0.25); //txtAreaQuickHelp.value = rrcd; if (rrcd &gt; rangeRotateCameraD.max) { rangeRotateCameraD.max = rrcd * 1.2; } rrcdi = Math.abs((rangeRotateCameraD.value - rrcd) / 2000); if (rangeRotateCameraD.value - rrcd &gt; 0) { var rrcdInterval = setInterval(function(){ rangeRotateCameraD.value--; if (rangeRotateCameraD.value &lt;= rrcd) {clearInterval(rrcdInterval)} }, rrcdi); } else { var rrcdInterval = setInterval(function(){ rangeRotateCameraD.value++; if (rangeRotateCameraD.value &gt;= rrcd) {clearInterval(rrcdInterval)} }, rrcdi); } dazrm = divAzimuthBar.offsetWidth - divAzimuth.offsetWidth; // range of motion of azimuth slider var step = 0.03; var xx = divHorizontal.offsetLeft + divAzimuth.offsetWidth/2; advanceSliderHorizontal(parseInt(dazrm*oeLAN/(2*pi)+xx),'divAzimuthBar','divAzimuth',2) } } if (cJPL &gt;= 0) {cJPL++;} for (h=2; h &lt;= objects + 2; h++) { // push the system back to 0,0,0. do the Sun last objx[h] = objx[h] - objx[1]; objy[h] = objy[h] - objy[1]; objz[h] = objz[h] - objz[1]; objvx[h] = objvx[h] - objvx[1]; objvy[h] = objvy[h] - objvy[1]; objvz[h] = objvz[h] - objvz[1]; } objx[1] = 0; objy[1] = 0; objz[1] = 0; objvx[1] = 0; objvy[1] = 0; objvz[1] = 0; setTimeout(function(){play()}, timerInterval); updateInfo(); if (checkPreTrailsA.checked || checkAxes.checked) {plotTrailsA()} if (checkPreTrailsB.checked || checkAxes.checked) {plotTrailsB()} if (checkKBOsA.checked) {plotStaticObjectsA()} if (checkKBOsB.checked) {plotStaticObjectsB()} txtRotateCameraA.value = parseInt(180 * rangeRotateCameraA.value / Math.PI).toString(); txtRotateCameraZ.value = parseInt(180 * rangeRotateCameraZ.value / Math.PI).toString(); txtRotateCameraD.value = Math.pow(rangeRotateCameraD.value, 4) / 40000; if (selectTargetObjectRF.selectedIndex != 0) { ComputeOrbitalElements(focusRF, referenceRF); if (radioTrueLongitude.checked) { var lon = Math.atan2(objy[focusRF] - objy[referenceRF], objx[focusRF] - objx[referenceRF]) } else { var lon = oeMA + oeLAN + oePeri } var newLon = lon + longRF * Math.PI / 180; while (newLon &lt; 0) {newLon = newLon + 2 * Math.PI} while (newLon &gt; Math.PI * 2) {newLon = newLon - 2 * Math.PI} rangeRotateCameraA.value = newLon; txtRotateCameraA.value = parseInt(180 * rangeRotateCameraA.value / Math.PI).toString(); //cameraAx = objx[referenceRF] + distanceRF * AU * Math.cos(newLon); //cameraAy = objy[referenceRF] + distanceRF * AU * Math.sin(newLon); //cameraAz = objz[referenceRF] + altRF * AU; //updateCameras(); } else { objx[objects + 1] = objx[objects + 1] + objvx[objects + 1] * timeStep * iterationsPerVisit; objy[objects + 1] = objy[objects + 1] + objvy[objects + 1] * timeStep * iterationsPerVisit; objz[objects + 1] = objz[objects + 1] + objvz[objects + 1] * timeStep * iterationsPerVisit; objx[objects + 2] = objx[objects + 2] + objvx[objects + 2] * timeStep * iterationsPerVisit; objy[objects + 2] = objy[objects + 2] + objvy[objects + 2] * timeStep * iterationsPerVisit; objz[objects + 2] = objz[objects + 2] + objvz[objects + 2] * timeStep * iterationsPerVisit; cameraAx = objx[objects + 1]; cameraAy = objy[objects + 1]; cameraAz = objz[objects + 1]; cameraBx = objx[objects + 1]; cameraBy = objy[objects + 1]; cameraBz = objz[objects + 1]; } var D = Math.pow(rangeRotateCameraD.value, 4) / 40000 * AU; objx[objects + 1] = D * Math.cos(rangeRotateCameraA.value) * Math.sin(rangeRotateCameraZ.value); objy[objects + 1] = D * Math.sin(rangeRotateCameraA.value) * Math.sin(rangeRotateCameraZ.value); objz[objects + 1] = D * Math.cos(rangeRotateCameraZ.value); cameraAx = objx[objects + 1]; cameraAy = objy[objects + 1]; cameraAz = objz[objects + 1]; if (!stealth) { plotPerspectiveA(); plotPerspectiveB(); } if (maxScreenShots &gt; 0) { lblScreenShotData.innerHTML = screenShotsTaken.toString() + ' / ' + maxScreenShots.toString() + ' ' + (nextScreenShot - elapsedTime).toString(); } if (elapsedTime &gt; nextScreenShot &amp;&amp; screenShotsTaken &lt; maxScreenShots) { nextScreenShot = elapsedTime + screenShotDelay; screenShots++; screenShotNumber = screenShots; if (screenShots &lt; 10) {screenShotNumber = '0' + screenShotNumber}; if (screenShots &lt; 100) {screenShotNumber = '0' + screenShotNumber}; if (screenShots &lt; 1000) {screenShotNumber = '0' + screenShotNumber}; ssFileName = queryArray[0] + '_' + screenShotNumber; saveCanvas(ssFileName); screenShotsTaken++; } } // end function play(); function createPreTrails() { nPreTrails = 0; var tPaused = bPause; if (tPaused == 1){pause()} for (var k = 1; k &lt;= objects; k++) { var i = document.getElementById('checkPT' + k.toString()); if (i.checked) { createPreTrail(k); objPreTrail[k] = true } else {objPreTrail[k] = false} } if (tPaused == 1 &amp;&amp; bPause !=1) { pause(); } } function createPreTrail(n) { //var trail = []; //k = 1; //trail[k] = []; //trail[k][1] = [ 51516007988.5161,-27191962366.4211,-6948351906.42394]; //nPreTrails = k; // save obj[1] info // save elapsed time // xxx-save iterations // save time step // save number of objects // give obj[1] info of obj[n] // compute period of object // compute time step needed for 2000 steps per orbit // initilize 2nd array dimension // set doEvents to 1 // set time step to computed value // set objects = 2 // do RK4. get first position // do RK4. compute change in true longitude using atan // if change in TL &gt; 1 degree, record position // continue until entire orbit is completed // increment nPreTrails // restore obj[1] info // restore elapsed time // restore iterations // restore time step var tx = objx[2], ty = objy[2], tz = objz[2]; tvx = objvx[2]; tvy = objvy[2]; tvz = objvz[2], tMass = objMass[2]; var txSun = objx[1], tySun = objy[1], tzSun = objz[1]; tvxSun = objvx[1]; tvySun = objvy[1]; tvzSun = objvz[1]; var tElapsedTime = elapsedTime; objx[2] = objx[n]; objy[2] = objy[n]; objz[2] = objz[n]; objvx[2] = objvx[n]; objvy[2] = objvy[n]; objvz[2] = objvz[n]; objMass[2] = objMass[n]; ComputeOrbitalElements(2, 1); var tPeriod = 2 * Math.PI * Math.sqrt(oeSMA * oeSMA * oeSMA / (G * (objMass[1] + objMass[2]))); var tTimeStep = timeStep; var timeStepsPerOrbit = 20000; timeStep = parseInt(tPeriod / timeStepsPerOrbit); // compute time step needed for 2000 steps per orbit nPreTrails++; preTrailRed[nPreTrails] = objColorRed[n]; preTrailGreen[nPreTrails] = objColorGreen[n]; preTrailBlue[nPreTrails] = objColorBlue[n]; preTrailSubZRed[nPreTrails] = objSubZRed[n]; preTrailSubZGreen[nPreTrails] = objSubZGreen[n]; preTrailSubZBlue[nPreTrails] = objSubZBlue[n]; trail[nPreTrails] = []; var tIterationsPerVisit = iterationsPerVisit; iterationsPerVisit = 1; var tObjects = objects; objects = 2; var k = 1; trail[nPreTrails][k] = [objx[2], objy[2], objz[2]]; var deg = 0, dot = 0, mag1 = 0, mag2 = 0, mag = 0, theta = 0; if (oeEcc &lt; 0.99) { for (var j = 1; j &lt;= timeStepsPerOrbit + 16; j++) { RK4(); dot = trail[nPreTrails][k][0] * objx[2] + trail[nPreTrails][k][1] * objy[2] + trail[nPreTrails][k][2] * objz[2]; mag1 = Math.sqrt(trail[nPreTrails][k][0] * trail[nPreTrails][k][0] + trail[nPreTrails][k][1] *trail[nPreTrails][k][1] + trail[nPreTrails][k][2] * trail[nPreTrails][k][2]); mag2 = Math.sqrt(objx[2] * objx[2] + objy[2] * objy[2] + objz[2] * objz[2]); mag = mag1 * mag2; theta = 180 * Math.acos(dot / mag) / Math.PI; if (theta &gt; 0.1) { k++; trail[nPreTrails][k] = [objx[2], objy[2], objz[2]]; } } } else { timeStep = -32768; timeStep = -timeStep; for (var j = 0; j &lt;= 30000; j++) { RK4(); } trail[nPreTrails][k] = [objx[2], objy[2], objz[2]]; //txtAreaQuickHelp.value = objx[2] + ", " + objy[2] + ", " + objz[2]; timeStep = -timeStep; for (var j = 0; j &lt;= 60000; j++) { RK4(); dot = trail[nPreTrails][k][0] * objx[2] + trail[nPreTrails][k][1] * objy[2] + trail[nPreTrails][k][2] * objz[2]; mag1 = Math.sqrt(trail[nPreTrails][k][0] * trail[nPreTrails][k][0] + trail[nPreTrails][k][1] * trail[nPreTrails][k][1] + trail[nPreTrails][k][2] * trail[nPreTrails][k][2]); mag2 = Math.sqrt(objx[2] * objx[2] + objy[2] * objy[2] + objz[2] * objz[2]); mag = mag1 * mag2; theta = 180 * Math.acos(dot / mag) / Math.PI; if (theta &gt; 0.1) { k++; trail[nPreTrails][k] = [objx[2], objy[2], objz[2]]; } } } k++; trail[nPreTrails][k] = [0, 0, 0]; k++; trail[nPreTrails][k] = [0, 0, 0]; k++; trail[nPreTrails][k] = [0, 0, 0]; k++; trail[nPreTrails][k] = [0, 0, 0]; k++; trail[nPreTrails][k] = [0, 0, 0]; k++; trail[nPreTrails][k] = [0, 0, 0]; k++; trail[nPreTrails][k] = [0, 0, 0]; k++; trail[nPreTrails][k] = [0, 0, 0]; k++; trail[nPreTrails][k] = [0, 0, 0]; k++; trail[nPreTrails][k] = [0, 0, 0]; objx[2] = tx; objy[2] = ty; objz[2] = tz; objvx[2] = tvx; objvy[2] = tvy; objvz[2] = tvz; objMass[2] = tMass; objx[1] = txSun; objy[1] = tySun; objz[1] = tzSun; objvx[1] = tvxSun; objvy[1] = tvySun; objvz[1] = tvzSun; objects = tObjects; elapsedTime = tElapsedTime; iterationsPerVisit = tIterationsPerVisit; timeStep = tTimeStep; } // end function createPreTrail() function Euler() { for (k = 1; k &lt;= masslessIndex; k++) { var tM2; var tM = objMass[k] * 398600432896940; tM = objMass[k] * 398600432896939; tM = objMass[k] * G; for (j = k + 1; j &lt;= objects; j++) { tM2 = objMass[j] * G; dx = (objx[j] - objx[k]); dy = (objy[j] - objy[k]); dz = (objz[j] - objz[k]); D = Math.sqrt(dx * dx + dy * dy + dz * dz); if (tM &gt; 0) { f = tM / D / D / D; objvx[j] = objvx[j] - dx * f * timeStep; objvy[j] = objvy[j] - dy * f * timeStep; objvz[j] = objvz[j] - dz * f * timeStep; } if (tM2 &gt; 0) { f = tM2 / D / D / D objvx[k] = objvx[k] + dx * f * timeStep; objvy[k] = objvy[k] + dy * f * timeStep; objvz[k] = objvz[k] + dz * f * timeStep; } } //Next j } //Next k for (j = 1; j &lt;= objects; j++) { objx[j] = objx[j] + objvx[j] * timeStep; objy[j] = objy[j] + objvy[j] * timeStep; objz[j] = objz[j] + objvz[j] * timeStep; } } // end function Euler() function RK4vts() { tsmin = 9e99; //Use current positions to compute accelerations. Store them in arrays a1x[], a1y[], a1z[]. //zero out arrays a1x[], a1y[], a1z[] for (k = 1; k &lt;= objects; k++) { a1x[k] = 0; a1y[k] = 0; a1z[k] = 0; } // Next k for (k = 1; k &lt;= masslessIndex; k++) { Mu = objMass[k] * G; for (j = k + 1; j &lt;= objects; j++) { Mu2 = objMass[j] * G; dx = (objx[j] - objx[k]); dy = (objy[j] - objy[k]); dz = (objz[j] - objz[k]); D = Math.sqrt(dx * dx + dy * dy + dz * dz); if ((objMass[k] &gt; 0 || objMass[j] &gt; 0) &amp;&amp; ((objDiameter[k] + objDiameter[j]) / 2 &gt; D)) { collisions++; collisionObjectA[collisions] = j; collisionObjectB[collisions] = k; } tsVx = objvx[j] - objvx[k]; tsVy = objvy[j] - objvy[k]; tsVz = objvz[j] - objvz[k]; tsV = Math.sqrt(tsVx * tsVx + tsVy * tsVy + tsVz * tsVz); if (objMass[k] &gt; 0 || objMass[j] &gt; 0) { stepsPerRadian = D / tsV / Math.abs(timeStep); if (stepsPerRadian &lt; tsmin) { tsmin = stepsPerRadian; tsobjMin1 = j; tsobjMin2 = k; } // end if (stepsPerRadian &lt; tsmin) } // end if () if (Mu &gt; 0) { //ignore massless particles a1 = -(1 / D) * (1 / D) * Mu; a1x[j] = a1x[j] + (dx / D) * a1; a1y[j] = a1y[j] + (dy / D) * a1; a1z[j] = a1z[j] + (dz / D) * a1; } // End if if (Mu2 &gt; 0) { //ignore massless particles a1 = -(1 / D) * (1 / D) * Mu2; a1x[k] = a1x[k] - (dx / D) * a1; a1y[k] = a1y[k] - (dy / D) * a1; a1z[k] = a1z[k] - (dz / D) * a1; } // End if } // Next j } // Next k //Copy the current velocities into an arrays v1x[], v1y[], v1z[]. for (k = 1; k &lt;= objects; k++) { v1x[k] = objvx[k]; v1y[k] = objvy[k]; v1z[k] = objvz[k]; } //Use the velocities stored in v1x[], v1y[], v1z[] to predict positions of objects one-half a step into the future. //Store the positions in arrays p2x[], p2y[], p2z[] halfstep = timeStep / 2; for (k = 1; k &lt;= objects; k++) { p2x[k] = objx[k] + v1x[k] * halfstep; p2y[k] = objy[k] + v1y[k] * halfstep; p2z[k] = objz[k] + v1z[k] * halfstep; } // Next k //Use the accelerations stored in a1x[], a1y[], a1z[] to predict future velocities at half a step into the future. //Store the velocities in arrays v2x[], v2y[], v2z[]. for (k = 1; k &lt;= objects; k++) { v2x[k] = objvx[k] + a1x[k] * halfstep; v2y[k] = objvy[k] + a1y[k] * halfstep; v2z[k] = objvz[k] + a1z[k] * halfstep; } // Next k //Use the positions stored in arrays p2x[], p2y[], p2z[] (these are the positions at half a step in future) //to compute accelerations on the bodies a half timestep into the future. //Store these accelerations in arrays a2x[], a2y[], a2z[] //zero out arrays a2x[], a2y[], a2z[] for (k = 1; k &lt;= objects; k++) { a2x[k] = 0; a2y[k] = 0; a2z[k] = 0; } for (k = 1; k &lt;= objects; k++) { Mu = objMass[k] * G; for (j = k + 1; j &lt;= objects; j++) { Mu2 = objMass[j] * G; dx = (p2x[j] - p2x[k]); dy = (p2y[j] - p2y[k]); dz = (p2z[j] - p2z[k]); D = Math.sqrt(dx * dx + dy * dy + dz * dz); if (Mu &gt; 0) { //ignore massless particles a2 = -(1 / D) * (1 / D) * Mu; a2x[j] = a2x[j] + (dx / D) * a2; a2y[j] = a2y[j] + (dy / D) * a2; a2z[j] = a2z[j] + (dz / D) * a2; } // End if if (Mu2 &gt; 0) { //ignore massless particles a2 = -(1 / D) * (1 / D) * Mu2; a2x[k] = a2x[k] - (dx / D) * a2; a2y[k] = a2y[k] - (dy / D) * a2; a2z[k] = a2z[k] - (dz / D) * a2; } // End if } // Next j } // Next k //Use the accelerations stored in arrays a2x[], a2y[], a2z[] to compute velocities at half a step into the future. //Store these velocities in arrays v3x[], v3y[], v3z[]. for (k = 1; k &lt;= objects; k++) { v3x[k] = objvx[k] + a2x[k] * halfstep; v3y[k] = objvy[k] + a2y[k] * halfstep; v3z[k] = objvz[k] + a2z[k] * halfstep; } // Next k //Use the velocities stored in arrays v2x[], v2y[], v2z[] //to predict positions of objects one-half a step into the future. //Store these positions in arrays p3x[], p3y[], p3z[]. for (k = 1; k &lt;= objects; k++) { p3x[k] = objx[k] + v2x[k] * halfstep; p3y[k] = objy[k] + v2y[k] * halfstep; p3z[k] = objz[k] + v2z[k] * halfstep; } // Next k //Use the positions in arrays p3x[], p3y[], p3z[] (these positions are at half a step in future) //to compute the accelerations on the bodies a half time step into the future. //Store them in arrays a3x[], a3y[], a3z[] for (k = 1; k &lt;= objects; k++) { a3x[k] = 0; a3y[k] = 0; a3z[k] = 0; } for (k = 1; k &lt;= objects; k++) { Mu = objMass[k] * G; for (j = k + 1; j &lt;= objects; j++) { Mu2 = objMass[j] * G; dx = (p3x[j] - p3x[k]); dy = (p3y[j] - p3y[k]); dz = (p3z[j] - p3z[k]); D = Math.sqrt(dx * dx + dy * dy + dz * dz); if (Mu &gt; 0) { //ignore massless particles a3 = -(1 / D) * (1 / D) * Mu; a3x[j] = a3x[j] + (dx / D) * a3; a3y[j] = a3y[j] + (dy / D) * a3; a3z[j] = a3z[j] + (dz / D) * a3; } // End if if (Mu2 &gt; 0) { //ignore massless particles a3 = -(1 / D) * (1 / D) * Mu2; a3x[k] = a3x[k] - (dx / D) * a3; a3y[k] = a3y[k] - (dy / D) * a3; a3z[k] = a3z[k] - (dz / D) * a3; } // End if } // Next j } // Next k //Use the accelerations in arrays a3x[], a3y[], a3z[] to compute velocities at one FULL step into the future. //Store them in arrays v4x[], v4y[], v4z[]. for (k = 1; k &lt;= objects; k++) { v4x[k] = objvx[k] + a3x[k] * timeStep; v4y[k] = objvy[k] + a3y[k] * timeStep; v4z[k] = objvz[k] + a3z[k] * timeStep; } // Next k //Use the veolcities stored in arrays v3x[], v3y[], v3z[] //to compute the positions of objects one FULL step into the future. //Store them in arrays p4x[], p4y[], p4z[]. for (k = 1; k &lt;= objects; k++) { p4x[k] = objx[k] + v3x[k] * timeStep; p4y[k] = objy[k] + v3y[k] * timeStep; p4z[k] = objz[k] + v3z[k] * timeStep; } // Next k //Use the positions stored in arrays p4x[], p4y[], p4z[](these are the positions at one FULL step in future) //to compute accelerations on the bodies in the future. //Store these accelerations in arrays a4x[], a4y[], a4z[] for (k = 1; k &lt;= objects; k++) { a4x[k] = 0; a4y[k] = 0; a4z[k] = 0; } // Next k for (k = 1; k &lt;= objects; k++) { Mu = objMass[k] * G; for (j = k + 1; j &lt;= objects; j++) { Mu2 = objMass[j] * G; dx = (p4x[j] - p4x[k]); dy = (p4y[j] - p4y[k]); dz = (p4z[j] - p4z[k]); D = Math.sqrt(dx * dx + dy * dy + dz * dz); if (Mu &gt; 0) { //ignore massless particles a4 = -(1 / D) * (1 / D) * Mu; a4x[j] = a4x[j] + (dx / D) * a4; a4y[j] = a4y[j] + (dy / D) * a4; a4z[j] = a4z[j] + (dz / D) * a4; } // End if if (Mu2 &gt; 0) { //ignore massless particles a4 = -(1 / D) * (1 / D) * Mu2; a4x[k] = a4x[k] - (dx / D) * a4; a4y[k] = a4y[k] - (dy / D) * a4; a4z[k] = a4z[k] - (dz / D) * a4; } // End if } // Next j } // Next k //Apply the Runge-Kutta 4th Order method to these arrays to determine the slope of the position and velocities //Then add these slopes to the current positions and velocities to get the new positions and velocities. //Velocity is the derivative of position. //Acceleration is the derivative of velocity. //The RK4 method states that the slope for velocity is // (1/6) * timeStep * (the acceleration at the beginning of the interval, stored in a1x[], a1y[], a1z[] // + 2 * the acceleration at the first estimate of the half time step, stored in a2x[], a2y[], a2z[] // + 2 * the acceleration at the second estimate of the half time step, stored in a3x[], a3y[], a3z[] // + the acceleration at the estimate of the end of a full time step, stored in a4x[], a4y[], a4z[] ). //The RK4 method states that the slope for position is // (1/6) * timeStep * (the velocity at the beginning of the interval, stored in v1x[], v1y[], v1z[] // + 2 * the velocity at the first estimate of the half time step, stored in v2x[], v2y[], v2z[] // + 2 * the velocity at the second estimate of the half time step, stored in v3x[], v3y[], v3z[] // + the velocity at the estimate of the end of a full time step, stored in v4x[], v4y[], v4z[] ). for (k = 1; k &lt;= objects; k++) { deltavx = (timeStep / 6) * (a1x[k] + 2 * a2x[k] + 2 * a3x[k] + a4x[k]); deltavy = (timeStep / 6) * (a1y[k] + 2 * a2y[k] + 2 * a3y[k] + a4y[k]); deltavz = (timeStep / 6) * (a1z[k] + 2 * a2z[k] + 2 * a3z[k] + a4z[k]); objvx[k] = objvx[k] + deltavx; objvy[k] = objvy[k] + deltavy; objvz[k] = objvz[k] + deltavz; deltapx = (timeStep / 6) * (v1x[k] + 2 * v2x[k] + 2 * v3x[k] + v4x[k]); deltapy = (timeStep / 6) * (v1y[k] + 2 * v2y[k] + 2 * v3y[k] + v4y[k]); deltapz = (timeStep / 6) * (v1z[k] + 2 * v2z[k] + 2 * v3z[k] + v4z[k]); objx[k] = objx[k] + deltapx; objy[k] = objy[k] + deltapy; objz[k] = objz[k] + deltapz; } // Next k iterations++; //} // Next iteration } // End function rk4vts function RK4() { //for (iteration = 1; iteration &lt;= iterationsPerVisit; iteration++) { //======================= RK4 ========================================== //Use current positions to compute accelerations. Store them in arrays a1x[], a1y[], a1z[]. //zero out arrays a1x[], a1y[], a1z[] for (k = 1; k &lt;= objects; k++) { a1x[k] = 0; a1y[k] = 0; a1z[k] = 0; } // Next k //for (k = 1; k &lt;= objects; k++) { for (k = 1; k &lt;= masslessIndex ; k++) { Mu = objMass[k] * G; for (j = k + 1; j &lt;= objects; j++) { Mu2 = objMass[j] * G; dx = (objx[j] - objx[k]); dy = (objy[j] - objy[k]); dz = (objz[j] - objz[k]); D = Math.sqrt(dx * dx + dy * dy + dz * dz); if (Mu &gt; 0) { //ignore massless particles a1 = -(1 / D) * (1 / D) * Mu; a1x[j] = a1x[j] + (dx / D) * a1; a1y[j] = a1y[j] + (dy / D) * a1; a1z[j] = a1z[j] + (dz / D) * a1; } // End if if (Mu2 &gt; 0) { //ignore massless particles a1 = -(1 / D) * (1 / D) * Mu2; a1x[k] = a1x[k] - (dx / D) * a1; a1y[k] = a1y[k] - (dy / D) * a1; a1z[k] = a1z[k] - (dz / D) * a1; } // End if } // Next j } // Next k //Copy the current velocities into an arrays v1x[], v1y[], v1z[]. for (k = 1; k &lt;= objects; k++) { v1x[k] = objvx[k]; v1y[k] = objvy[k]; v1z[k] = objvz[k]; } //Use the velocities stored in v1x[], v1y[], v1z[] to predict positions of objects one-half a step into the future. //Store the positions in arrays p2x[], p2y[], p2z[] halfstep = timeStep / 2; for (k = 1; k &lt;= objects; k++) { p2x[k] = objx[k] + v1x[k] * halfstep; p2y[k] = objy[k] + v1y[k] * halfstep; p2z[k] = objz[k] + v1z[k] * halfstep; } // Next k //Use the accelerations stored in a1x[], a1y[], a1z[] to predict future velocities at half a step into the future. //Store the velocities in arrays v2x[], v2y[], v2z[]. for (k = 1; k &lt;= objects; k++) { v2x[k] = objvx[k] + a1x[k] * halfstep; v2y[k] = objvy[k] + a1y[k] * halfstep; v2z[k] = objvz[k] + a1z[k] * halfstep; } // Next k //Use the positions stored in arrays p2x[], p2y[], p2z[] (these are the positions at half a step in future) //to compute accelerations on the bodies a half timestep into the future. //Store these accelerations in arrays a2x[], a2y[], a2z[] //zero out arrays a2x[], a2y[], a2z[] for (k = 1; k &lt;= objects; k++) { a2x[k] = 0; a2y[k] = 0; a2z[k] = 0; } for (k = 1; k &lt;= objects; k++) { Mu = objMass[k] * G; for (j = k + 1; j &lt;= objects; j++) { Mu2 = objMass[j] * G; dx = (p2x[j] - p2x[k]); dy = (p2y[j] - p2y[k]); dz = (p2z[j] - p2z[k]); D = Math.sqrt(dx * dx + dy * dy + dz * dz); if (Mu &gt; 0) { //ignore massless particles a2 = -(1 / D) * (1 / D) * Mu; a2x[j] = a2x[j] + (dx / D) * a2; a2y[j] = a2y[j] + (dy / D) * a2; a2z[j] = a2z[j] + (dz / D) * a2; } // End if if (Mu2 &gt; 0) { //ignore massless particles a2 = -(1 / D) * (1 / D) * Mu2; a2x[k] = a2x[k] - (dx / D) * a2; a2y[k] = a2y[k] - (dy / D) * a2; a2z[k] = a2z[k] - (dz / D) * a2; } // End if } // Next j } // Next k //Use the accelerations stored in arrays a2x[], a2y[], a2z[] to compute velocities at half a step into the future. //Store these velocities in arrays v3x[], v3y[], v3z[]. for (k = 1; k &lt;= objects; k++) { v3x[k] = objvx[k] + a2x[k] * halfstep; v3y[k] = objvy[k] + a2y[k] * halfstep; v3z[k] = objvz[k] + a2z[k] * halfstep; } // Next k //Use the velocities stored in arrays v2x[], v2y[], v2z[] //to predict positions of objects one-half a step into the future. //Store these positions in arrays p3x[], p3y[], p3z[]. for (k = 1; k &lt;= objects; k++) { p3x[k] = objx[k] + v2x[k] * halfstep; p3y[k] = objy[k] + v2y[k] * halfstep; p3z[k] = objz[k] + v2z[k] * halfstep; } // Next k //Use the positions in arrays p3x[], p3y[], p3z[] (these positions are at half a step in future) //to compute the accelerations on the bodies a half time step into the future. //Store them in arrays a3x[], a3y[], a3z[] for (k = 1; k &lt;= objects; k++) { a3x[k] = 0; a3y[k] = 0; a3z[k] = 0; } for (k = 1; k &lt;= objects; k++) { Mu = objMass[k] * G; for (j = k + 1; j &lt;= objects; j++) { Mu2 = objMass[j] * G; dx = (p3x[j] - p3x[k]); dy = (p3y[j] - p3y[k]); dz = (p3z[j] - p3z[k]); D = Math.sqrt(dx * dx + dy * dy + dz * dz); if (Mu &gt; 0) { //ignore massless particles a3 = -(1 / D) * (1 / D) * Mu; a3x[j] = a3x[j] + (dx / D) * a3; a3y[j] = a3y[j] + (dy / D) * a3; a3z[j] = a3z[j] + (dz / D) * a3; } // End if if (Mu2 &gt; 0) { //ignore massless particles a3 = -(1 / D) * (1 / D) * Mu2; a3x[k] = a3x[k] - (dx / D) * a3; a3y[k] = a3y[k] - (dy / D) * a3; a3z[k] = a3z[k] - (dz / D) * a3; } // End if } // Next j } // Next k //Use the accelerations in arrays a3x[], a3y[], a3z[] to compute velocities at one FULL step into the future. //Store them in arrays v4x[], v4y[], v4z[]. for (k = 1; k &lt;= objects; k++) { v4x[k] = objvx[k] + a3x[k] * timeStep; v4y[k] = objvy[k] + a3y[k] * timeStep; v4z[k] = objvz[k] + a3z[k] * timeStep; } // Next k //Use the veolcities stored in arrays v3x[], v3y[], v3z[] //to compute the positions of objects one FULL step into the future. //Store them in arrays p4x[], p4y[], p4z[]. for (k = 1; k &lt;= objects; k++) { p4x[k] = objx[k] + v3x[k] * timeStep; p4y[k] = objy[k] + v3y[k] * timeStep; p4z[k] = objz[k] + v3z[k] * timeStep; } // Next k //Use the positions stored in arrays p4x[], p4y[], p4z[](these are the positions at one FULL step in future) //to compute accelerations on the bodies in the future. //Store these accelerations in arrays a4x[], a4y[], a4z[] for (k = 1; k &lt;= objects; k++) { a4x[k] = 0; a4y[k] = 0; a4z[k] = 0; } // Next k for (k = 1; k &lt;= objects; k++) { Mu = objMass[k] * G; for (j = k + 1; j &lt;= objects; j++) { Mu2 = objMass[j] * G; dx = (p4x[j] - p4x[k]); dy = (p4y[j] - p4y[k]); dz = (p4z[j] - p4z[k]); D = Math.sqrt(dx * dx + dy * dy + dz * dz); if (Mu &gt; 0) { //ignore massless particles a4 = -(1 / D) * (1 / D) * Mu; a4x[j] = a4x[j] + (dx / D) * a4; a4y[j] = a4y[j] + (dy / D) * a4; a4z[j] = a4z[j] + (dz / D) * a4; } // End if if (Mu2 &gt; 0) { //ignore massless particles a4 = -(1 / D) * (1 / D) * Mu2; a4x[k] = a4x[k] - (dx / D) * a4; a4y[k] = a4y[k] - (dy / D) * a4; a4z[k] = a4z[k] - (dz / D) * a4; } // End if } // Next j } // Next k //Apply the Runge-Kutta 4th Order method to these arrays to determine the slope of the position and velocities //Then add these slopes to the current positions and velocities to get the new positions and velocities. //Velocity is the derivative of position. //Acceleration is the derivative of velocity. //The RK4 method states that the slope for velocity is // (1/6) * timeStep * (the acceleration at the beginning of the interval, stored in a1x[], a1y[], a1z[] // + 2 * the acceleration at the first estimate of the half time step, stored in a2x[], a2y[], a2z[] // + 2 * the acceleration at the second estimate of the half time step, stored in a3x[], a3y[], a3z[] // + the acceleration at the estimate of the end of a full time step, stored in a4x[], a4y[], a4z[] ). //The RK4 method states that the slope for position is // (1/6) * timeStep * (the velocity at the beginning of the interval, stored in v1x[], v1y[], v1z[] // + 2 * the velocity at the first estimate of the half time step, stored in v2x[], v2y[], v2z[] // + 2 * the velocity at the second estimate of the half time step, stored in v3x[], v3y[], v3z[] // + the velocity at the estimate of the end of a full time step, stored in v4x[], v4y[], v4z[] ). for (k = 1; k &lt;= objects; k++) { deltavx = (timeStep / 6) * (a1x[k] + 2 * a2x[k] + 2 * a3x[k] + a4x[k]); deltavy = (timeStep / 6) * (a1y[k] + 2 * a2y[k] + 2 * a3y[k] + a4y[k]); deltavz = (timeStep / 6) * (a1z[k] + 2 * a2z[k] + 2 * a3z[k] + a4z[k]); objvx[k] = objvx[k] + deltavx; objvy[k] = objvy[k] + deltavy; objvz[k] = objvz[k] + deltavz; deltapx = (timeStep / 6) * (v1x[k] + 2 * v2x[k] + 2 * v3x[k] + v4x[k]); deltapy = (timeStep / 6) * (v1y[k] + 2 * v2y[k] + 2 * v3y[k] + v4y[k]); deltapz = (timeStep / 6) * (v1z[k] + 2 * v2z[k] + 2 * v3z[k] + v4z[k]); objx[k] = objx[k] + deltapx; objy[k] = objy[k] + deltapy; objz[k] = objz[k] + deltapz; } // Next k iterations++; //} // Next iteration } // End function rk4 function updateInfo() { txtObjx.value = (objx[vectorObj1A] - objx[vectorObj2A]) / vectorPositionUnits; txtObjy.value = (objy[vectorObj1A] - objy[vectorObj2A]) / vectorPositionUnits; txtObjz.value = (objz[vectorObj1A] - objz[vectorObj2A]) / vectorPositionUnits; txtObjvx.value = (objvx[vectorObj1A] - objvx[vectorObj2A]) / vectorVelocityUnits; txtObjvy.value = (objvy[vectorObj1A] - objvy[vectorObj2A]) / vectorVelocityUnits; txtObjvz.value = (objvz[vectorObj1A] - objvz[vectorObj2A]) / vectorVelocityUnits; var D = (Math.sqrt( (objx[vectorObj1A] - objx[vectorObj2A]) * (objx[vectorObj1A] - objx[vectorObj2A]) + (objy[vectorObj1A] - objy[vectorObj2A]) * (objy[vectorObj1A] - objy[vectorObj2A]) + (objz[vectorObj1A] - objz[vectorObj2A])*(objz[vectorObj1A] - objz[vectorObj2A]) )); txtDistance.value = (D / vectorPositionUnits).toString(); var V = (Math.sqrt( (objvx[vectorObj1A] - objvx[vectorObj2A]) * (objvx[vectorObj1A] - objvx[vectorObj2A]) + (objvy[vectorObj1A] - objvy[vectorObj2A]) * (objvy[vectorObj1A] - objvy[vectorObj2A]) + (objvz[vectorObj1A] - objvz[vectorObj2A])*(objvz[vectorObj1A] - objvz[vectorObj2A]) )); txtSpeed.value = (V / vectorVelocityUnits).toString(); var DotProduct = (objvx[vectorObj1A] - objvx[vectorObj2A]) * (objx[vectorObj1A] - objx[vectorObj2A]) + (objvy[vectorObj1A] - objvy[vectorObj2A]) * (objy[vectorObj1A] - objy[vectorObj2A]) + (objvz[vectorObj1A] - objvz[vectorObj2A]) * (objz[vectorObj1A] - objz[vectorObj2A]); var MagnitudeProduct = V * D; var theta = Math.acos(DotProduct / MagnitudeProduct); var TangentVelocity = V * Math.sin(theta); var RadialVelocity = V * Math.cos(theta); lblTangentialSpeedVectors.innerHTML = (TangentVelocity / vectorVelocityUnits).toString(); lblRadialVelocityVectors.innerHTML = (RadialVelocity / vectorVelocityUnits).toString(); lblEccentricity.innerHTML = E; lblSMA.innerHTML = a / 149597870691; currentDate.setTime(elapsedTime * 1000 + startDate); julianDate = elapsedTime / 86400 + julianStartDate / 86400; spanCalendarDate.innerHTML = currentDate; spanCalendarDateUTC.innerHTML = UTC(elapsedTime * 1000 + startDate); spanJulianDate.innerHTML = julianDate; } // End function updateInfo() function UTC(timeIn) { currentUTCdate.setTime(timeIn); var t = currentUTCdate.toString(); var pm = t.substr(28, 1); var h = t.substr(29,2); var m = t.substr(31,2); var offset = (Number(h) * 60 + Number(m)) * 60000; if (pm == '-') {offset = -offset} currentUTCdate.setTime(timeIn - offset); var cUTCdate = currentUTCdate.toString(); //cUTCdate = cUTCdate.substr(0, 24) + ' (UTC)'; return cUTCdate.substr(0, 24) + ' (UTC)'; } function UTC2(timeIn) { currentUTCdate.setTime(timeIn); var t = currentUTCdate.toString(); var pm = t.substr(28, 1); var h = t.substr(29,2); var m = t.substr(31,2); var offset = (Number(h) * 60 + Number(m)) * 60000; if (pm == '-') {offset = -offset} currentUTCdate.setTime(timeIn - offset); var cUTCdate = currentUTCdate.toString(); cUTCdate = cUTCdate.substr(4, 20); return cUTCdate.substr(0, 24); } function getCurrentDateAndTime() { var currentdate = new Date(); var offset = currentdate.getTimezoneOffset() * 60000; var datetime = currentdate.getFullYear() + "/" + (currentdate.getMonth()+1) + "/" + currentdate.getDate() + " " + currentdate.getHours() + ":" + currentdate.getMinutes() + ":" + currentdate.getSeconds(); return datetime; } function setCurrentTime() { var d = new Date(); var n = d.getTime(); var dString = UTC(n); dString = dString.substr(4); dString = dString.substr(0, 20); txtSetDateAndTime.value = dString; txtImportSetDateAndTime.value = dString; } function setDate(dString) { //var dString = txtSetDateAndTime.value; startDate = Date.parse(dString + ' UTC'); julianStartDate = 2440587.5 * 86400 + startDate / 1000; elapsedTime = 0; } function updateVectors() { objx[vectorObj1A] = txtObjx.value * vectorPositionUnits + objx[vectorObj2A]; objy[vectorObj1A] = txtObjy.value * vectorPositionUnits + objy[vectorObj2A]; objz[vectorObj1A] = txtObjz.value * vectorPositionUnits + objz[vectorObj2A]; objvx[vectorObj1A] = txtObjvx.value * vectorVelocityUnits+ objvx[vectorObj2A]; objvy[vectorObj1A] = txtObjvy.value * vectorVelocityUnits+ objvy[vectorObj2A]; objvz[vectorObj1A] = txtObjvz.value * vectorVelocityUnits+ objvz[vectorObj2A]; cameraAx = objx[objects + 1]; cameraAy = objy[objects + 1]; cameraAz = objz[objects + 1]; cameraBx = objx[objects + 2]; cameraBy = objy[objects + 2]; cameraBz = objz[objects + 2]; cameraAvx = objvx[objects + 1]; cameraAvy = objvy[objects + 1]; cameraAvz = objvz[objects + 1]; cameraBvx = objvx[objects + 2]; cameraBvy = objvy[objects + 2]; cameraBvz = objvz[objects + 2]; txtDistance.value = (Math.sqrt( (objx[vectorObj1A] - objx[vectorObj2A]) * (objx[vectorObj1A] - objx[vectorObj2A]) + (objy[vectorObj1A] - objy[vectorObj2A]) * (objy[vectorObj1A] - objy[vectorObj2A]) + (objz[vectorObj1A] - objz[vectorObj2A])*(objz[vectorObj1A] - objz[vectorObj2A]) )) / vectorPositionUnits; txtSpeed.value = (Math.sqrt( (objvx[vectorObj1A] - objvx[vectorObj2A]) * (objvx[vectorObj1A] - objvx[vectorObj2A]) + (objvy[vectorObj1A] - objvy[vectorObj2A]) * (objvy[vectorObj1A] - objvy[vectorObj2A]) + (objvz[vectorObj1A] - objvz[vectorObj2A])*(objvz[vectorObj1A] - objvz[vectorObj2A]) )) / vectorVelocityUnits; } function changePositionUnits() { if (vectorPositionUnits == meter) {vectorPositionUnits = km; btnPositionUnits.value = 'Position x, y, z (km)' } else if (vectorPositionUnits == km) {vectorPositionUnits = LD; btnPositionUnits.value = 'Position x, y, z (LD)'} else if (vectorPositionUnits == LD) {vectorPositionUnits = AU; btnPositionUnits.value = 'Position x, y, z (AU)'} else if (vectorPositionUnits == AU) {vectorPositionUnits = LY; btnPositionUnits.value = 'Position x, y, z (LY)'} else if (vectorPositionUnits == LY) {vectorPositionUnits = meter; btnPositionUnits.value = 'Position x, y, z (m)'} } function changeVelocityUnits() { if (vectorVelocityUnits == meter) {vectorVelocityUnits = km; btnVelocityUnits.value = 'Velocity x, y, z (km/s)' } else if (vectorVelocityUnits == km) {vectorVelocityUnits = meter; btnVelocityUnits.value = 'Velocity x, y, z (m/s)'} } function populatePreTrailList() { divPTOList.innerHTML = ''; for (var k = 1; k &lt;= objects; k++) { var x = "&lt;input type = 'checkbox' id = 'checkPT" + k.toString() + "'&gt;&lt;label id = 'lblPT" + k.toString() + "' class = 'classLblData' for ='checkPT" + k.toString() + "'&gt;" + objName[k] + "&lt;/label&gt;&lt;br&gt;"; divPTOList.innerHTML = divPTOList.innerHTML + x; } for (var k = 1; k &lt;= objects; k++) { if (objPreTrail[k]) { document.getElementById('checkPT' + k.toString()).checked = true; dummy = document.getElementById('checkPT' + k.toString()).checked; dummyPause = dummy; } } } function chooseDeletions() { divDeleteList.innerHTML = ''; for (var k = 1; k &lt;= objects; k++) { var x = "&lt;input type = 'checkbox' id = 'checkDEL" + k.toString() + "'&gt;&lt;label id = 'lblDEL" + k.toString() + "' class = 'classLblData' for ='checkDEL" + k.toString() + "'&gt;" + objName[k] + "&lt;/label&gt;&lt;br&gt;"; divDeleteList.innerHTML = divDeleteList.innerHTML + x; } } function deleteObjects() { var finished = false; var objToBeDeleted = 0; while (!finished) { objToBeDeleted = 0; for (var k = 1; k &lt;= objects; k++) { if (document.getElementById('checkDEL' + k.toString()).checked) {objToBeDeleted = k} } // next k if (objToBeDeleted != 0) { for (j = objToBeDeleted; j &lt; objects + 2; j++) { objName[j] = objName[j + 1]; objReferenceObject[j] = objReferenceObject[j + 1]; objx[j] = objx[j + 1]; objy[j] = objy[j + 1]; objz[j] = objz[j + 1]; objvx[j] = objvx[j + 1]; objvy[j] = objvy[j + 1]; objvz[j] = objvz[j + 1]; objMass[j] = objMass[j + 1]; objDiameter[j] = objDiameter[j + 1]; objColorRed[j] = objColorRed[j + 1]; objColorGreen[j] = objColorGreen[j + 1]; objColorBlue[j] = objColorBlue[j + 1]; objShadowRed[j] = objShadowRed[j + 1]; objShadowGreen[j] = objShadowGreen[j + 1]; objShadowBlue[j] = objShadowBlue[j + 1]; objLabelRed[j] = objLabelRed[j + 1]; objLabelGreen[j] = objLabelGreen[j + 1]; objLabelBlue[j] = objLabelBlue[j + 1]; objTrailRed[j] = objTrailRed[j + 1]; objTrailGreen[j] = objTrailGreen[j + 1]; objTrailBlue[j] = objTrailBlue[j + 1]; objSubZRed[j] = objSubZRed[j + 1]; objSubZGreen[j] = objSubZGreen[j + 1]; objSubZBlue[j] = objSubZBlue[j + 1]; } // next j for (j = objToBeDeleted; j &lt; objects; j++) { document.getElementById('lblDEL' + j.toString()).innerHTML = document.getElementById('lblDEL' + (j + 1).toString()).innerHTML; document.getElementById('checkDEL' + j.toString()).checked = document.getElementById('checkDEL' + (j + 1).toString()).checked; objPreTrail[j] = objPreTrail[j + 1]; } populatePreTrailList(); createPreTrails(); if (fromObjA &gt;= objToBeDeleted) { fromObjA = fromObjA - 1; selectCameraObjectA.value = fromObjA.toString(); } if (toObjA &gt;= objToBeDeleted) { toObjA = toObjA - 1; selectCameraObjectA.value = toObjA.toString(); } if (fromObjB &gt;= objToBeDeleted) { fromObjB = fromObjB - 1; selectCameraObjectB.value = fromObjB.toString(); } if (toObjB &gt;= objToBeDeleted) { toObjB = toObjB - 1; selectCameraObjectB.value = toObjB.toString(); } objects = objects - 1; } else {finished = true} } // wend (!finished) chooseDeletions(); populateSelectBoxes(); populatePreTrailList(); changeBarycenterA(); changeBarycenterB(); changeBarycenter(); changeBarycenterA(); changeBarycenterB(); } // end function function populateCovarianceMatrix() { var str = txtClonesPaste.value; pos = str.indexOf('EEEEEE'); pos = str.indexOf('EEEEEE', pos + 1); pos = str.indexOf('(', pos + 1); pos2 = str.indexOf(')', pos + 1); asteroidName = str.substr(pos + 1, pos2 - pos - 1); lblClonedObjectName.innerHTML = asteroidName; var sourceType = 0; pos = 1; while (str.indexOf('&gt;e&lt;', pos) != -1) { sourceType++; pos = str.indexOf('&gt;e&lt;', pos) + 1; } if (sourceType == 3) { posStart = str.indexOf('&gt;e&lt;'); } else { posStart = str.indexOf('&gt;e&lt;'); posStart = str.indexOf('&gt;e&lt;', posStart + 1); } pos = posStart; pos = str.indexOf('Epoch'); if (sourceType == 4) {pos = str.indexOf('Epoch', pos + 1)} pos = str.indexOf(' ', pos + 1); pos2 = str.indexOf(' ', pos + 1); epoch = str.substr(pos + 1, pos2 - pos - 1); pos = posStart; pos = str.indexOf('&gt;e&lt;', pos); pos = str.indexOf('size', pos); pos = str.indexOf('&gt;', pos); pos2 = str.indexOf('&lt;', pos); eccNominal = str.substr(pos + 1, pos2 - pos - 1); pos = posStart; pos = str.indexOf('&gt;q&lt;', pos); pos = str.indexOf('size', pos); pos = str.indexOf('&gt;', pos); pos2 = str.indexOf('&lt;', pos); qNominal = str.substr(pos + 1, pos2 - pos - 1); pos = posStart; pos = str.indexOf('&gt;t&lt;', pos); pos = str.indexOf('size', pos); pos = str.indexOf('&gt;', pos); pos2 = str.indexOf('&lt;', pos); tpNominal = str.substr(pos + 1, pos2 - pos - 1); pos = posStart; pos = str.indexOf('&gt;node&lt;', pos); pos = str.indexOf('size', pos); pos = str.indexOf('&gt;', pos); pos2 = str.indexOf('&lt;', pos); nodeNominal = str.substr(pos + 1, pos2 - pos - 1); pos = posStart; pos = str.indexOf('&gt;peri&lt;', pos); pos = str.indexOf('size', pos); pos = str.indexOf('&gt;', pos); pos2 = str.indexOf('&lt;', pos); periNominal = str.substr(pos + 1, pos2 - pos - 1); pos = posStart; pos = str.indexOf('&gt;i&lt;', pos); pos = str.indexOf('size', pos); pos = str.indexOf('&gt;', pos); pos2 = str.indexOf('&lt;', pos); iNominal = str.substr(pos + 1, pos2 - pos - 1); txtJD.value = epoch.toString(); txtnEcc.value = eccNominal.toString(); txtnq.value = qNominal.toString(); txtnTp.value = tpNominal.toString(); txtnNode.value = nodeNominal.toString(); txtnPeri.value = periNominal.toString(); txtnInc.value = iNominal.toString(); hide = str.split('Orbit Covariance'); tr4 = hide[1].split('&lt;tr'); for (u = 3; u &lt;=8; u++) { td1 = tr4[u].split('&lt;td'); for (var z = 2; z &lt;= 7; z++) { pos0 = td1[z].indexOf('&gt;'); pos1 = td1[z].indexOf('&gt;', pos0 + 1); pos2 = td1[z].indexOf('&lt;', pos1); answer = td1[z].substr(pos1 + 1, pos2 - pos1 - 1); document.getElementById('txtCov' + (u - 2).toString() + (z - 1).toString()).value = answer; } // next z } } // function populateCovarianceMatrix function createObjectWithClones() { var tarA = parseInt(selectTargetObjectA.value); var tNameA = objName[tarA]; var tarB = parseInt(selectTargetObjectB.value); var tNameB = objName[tarB]; var refA = parseInt(selectCameraObjectA.value); var nNameA = objName[refA]; var refB = parseInt(selectCameraObjectB.value); var nNameB = objName[refB]; var n = 6; nEcc = parseFloat(txtnEcc.value); nq = parseFloat(txtnq.value); ntp = parseFloat(txtnTp.value); nNode = parseFloat(txtnNode.value); nPeri = parseFloat(txtnPeri.value); ni = parseFloat(txtnInc.value); var sma = nq / (1 - nEcc); var jd = parseFloat(txtJD.value) var tp = parseFloat(txtnTp.value); var period = 2 * Math.PI * Math.sqrt(sma * sma * sma * AU * AU * AU / (G * objMass[1])) / 86400; var deltaT = tp - jd; var ma = 360 - (360 * deltaT / period); inSMA = sma * 149597870691; inEcc = nEcc; inInc = ni * Math.PI / 180; inNode = nNode * Math.PI / 180; inPeri = nPeri * Math.PI / 180; inMA = ma * Math.PI / 180; inPrimaryMass = 5.97369125232006E+24 * 332946.050894783; inMass = 0; ComputeStateVectors(); objects++; objx[objects] = xCreate; objy[objects] = yCreate; objz[objects] = zCreate; objvx[objects] = vxCreate; objvy[objects] = vyCreate; objvz[objects] = vzCreate; objName[objects] = lblClonedObjectName.innerHTML; objReferenceObject[objects] = 'Sun'; objColorRed[objects] = 0; objColorGreen[objects] = 255; objColorBlue[objects] = 255; objMass[objects] = 0; objDiameter[objects] = 0; objPreTrail[objects] = false; populateSelectBoxes(); updateCameras(); populatePreTrailList(); chooseDeletions(); A1 = 0; A2 = 0; A3 = 0; AF = 0; // don't know what these are cov[1][1] = parseFloat(txtCov11.value); cov[1][2] = parseFloat(txtCov12.value); cov[1][3] = parseFloat(txtCov13.value); cov[1][4] = parseFloat(txtCov14.value); cov[1][5] = parseFloat(txtCov15.value); cov[1][6] = parseFloat(txtCov16.value); cov[2][1] = parseFloat(txtCov21.value); cov[2][2] = parseFloat(txtCov22.value); cov[2][3] = parseFloat(txtCov23.value); cov[2][4] = parseFloat(txtCov24.value); cov[2][5] = parseFloat(txtCov25.value); cov[2][6] = parseFloat(txtCov26.value); cov[3][1] = parseFloat(txtCov31.value); cov[3][2] = parseFloat(txtCov32.value); cov[3][3] = parseFloat(txtCov33.value); cov[3][4] = parseFloat(txtCov34.value); cov[3][5] = parseFloat(txtCov35.value); cov[3][6] = parseFloat(txtCov36.value); cov[4][1] = parseFloat(txtCov41.value); cov[4][2] = parseFloat(txtCov42.value); cov[4][3] = parseFloat(txtCov43.value); cov[4][4] = parseFloat(txtCov44.value); cov[4][5] = parseFloat(txtCov45.value); cov[4][6] = parseFloat(txtCov46.value); cov[5][1] = parseFloat(txtCov51.value); cov[5][2] = parseFloat(txtCov52.value); cov[5][3] = parseFloat(txtCov53.value); cov[5][4] = parseFloat(txtCov54.value); cov[5][5] = parseFloat(txtCov55.value); cov[5][6] = parseFloat(txtCov56.value); cov[6][1] = parseFloat(txtCov61.value); cov[6][2] = parseFloat(txtCov62.value); cov[6][3] = parseFloat(txtCov63.value); cov[6][4] = parseFloat(txtCov64.value); cov[6][5] = parseFloat(txtCov65.value); cov[6][6] = parseFloat(txtCov66.value); A[1][1] = parseFloat(txtCov11.value); A[1][2] = parseFloat(txtCov12.value); A[1][3] = parseFloat(txtCov13.value); A[1][4] = parseFloat(txtCov14.value); A[1][5] = parseFloat(txtCov15.value); A[1][6] = parseFloat(txtCov16.value); A[2][1] = parseFloat(txtCov21.value); A[2][2] = parseFloat(txtCov22.value); A[2][3] = parseFloat(txtCov23.value); A[2][4] = parseFloat(txtCov24.value); A[2][5] = parseFloat(txtCov25.value); A[2][6] = parseFloat(txtCov26.value); A[3][1] = parseFloat(txtCov31.value); A[3][2] = parseFloat(txtCov32.value); A[3][3] = parseFloat(txtCov33.value); A[3][4] = parseFloat(txtCov34.value); A[3][5] = parseFloat(txtCov35.value); A[3][6] = parseFloat(txtCov36.value); A[4][1] = parseFloat(txtCov41.value); A[4][2] = parseFloat(txtCov42.value); A[4][3] = parseFloat(txtCov43.value); A[4][4] = parseFloat(txtCov44.value); A[4][5] = parseFloat(txtCov45.value); A[4][6] = parseFloat(txtCov46.value); A[5][1] = parseFloat(txtCov51.value); A[5][2] = parseFloat(txtCov52.value); A[5][3] = parseFloat(txtCov53.value); A[5][4] = parseFloat(txtCov54.value); A[5][5] = parseFloat(txtCov55.value); A[5][6] = parseFloat(txtCov56.value); A[6][1] = parseFloat(txtCov61.value); A[6][2] = parseFloat(txtCov62.value); A[6][3] = parseFloat(txtCov63.value); A[6][4] = parseFloat(txtCov64.value); A[6][5] = parseFloat(txtCov65.value); A[6][6] = parseFloat(txtCov66.value); cholDec(); for (nClones = 1; nClones &lt;= parseInt(txtNclones.value); nClones++) { for (i = 1; i &lt;= n; i++) { dev0[i] = gauRand(1); } // next i for (i = 1; i &lt;= n; i++) { dev[i] = 0; for (j = 1; j &lt;=i; j++) { dev[i] = dev[i] + chol[i][j] * dev0[j]; } // next j } // next i var cEcc = nEcc + dev[1]; var cq = nq + dev[2]; var cTp = ntp + dev[3]; var cNode = nNode + dev[4]; var cPeri = nPeri + dev[5]; var cInc = ni + dev[6]; var csma = cq / (1 - cEcc); tp = cTp; period = 2 * Math.PI * Math.sqrt(sma * sma * sma * AU * AU * AU / (G * objMass[1])) / 86400; deltaT = tp - jd; var cma = 360 - (360 * deltaT / period); inSMA = sma * 149597870691; inEcc = cEcc; inInc = cInc * Math.PI / 180; inNode = cNode * Math.PI / 180; inPeri = cPeri* Math.PI / 180; inMA = cma * Math.PI / 180; inPrimaryMass = 5.97369125232006E+24 * 332946.050894783; inMass = 0; ComputeStateVectors(); objects++; objPreTrail[objects] = false; objx[objects] = xCreate; objy[objects] = yCreate; objz[objects] = zCreate; objvx[objects] = vxCreate; objvy[objects] = vyCreate; objvz[objects] = vzCreate; objName[objects] = 'clone_' + nClones.toString(); objReferenceObject[objects] = 'Sun'; inRed = 255; inGreen = 255; inBlue = 0; objColorRed[objects] = inRed; objColorGreen[objects] = inGreen; objColorBlue[objects] = inBlue; objShadowRed[objects] = parseInt(inRed / 30); objShadowGreen[objects] = parseInt(inGreen / 30); objShadowBlue[objects] = parseInt(inBlue / 30); objLabelRed[objects] = inRed; objLabelGreen[objects] = inGreen; objLabelBlue[objects] = inBlue; objTrailRed[objects] = inRed; objTrailGreen[objects] = inGreen; objTrailBlue[objects] = inBlue; objSubZRed[objects] = parseInt(inRed / 3); objSubZGreen[objects] = parseInt(inGreen / 3); objSubZBlue[objects] = parseInt(inBlue / 3); objMass[objects] = 0; objDiameter[objects] = 0; } //next nClones populateSelectBoxes(); updateCameras(); populatePreTrailList(); chooseDeletions(); k = 1; while (k &lt;= objects &amp;&amp; objName[k] != tNameA) {k++} selectTargetObjectA.selectedIndex = k - 1; k = 1; while (k &lt;= objects &amp;&amp; objName[k] != tNameB) {k++} selectTargetObjectB.selectedIndex = k - 1; k = 1; while (k &lt;= objects &amp;&amp; objName[k] != nNameA) {k++} selectCameraObjectA.selectedIndex = k - 1; k = 1; while (k &lt;= objects &amp;&amp; objName[k] != nNameB) {k++} selectCameraObjectB.selectedIndex = k - 1; changeCameraObjectA(); changeCameraObjectB(); } // end function createObjectWithClones function cholDec() { var n = 6; var p = []; flexit = 0; for (i = 1; i &lt;= n; i++) { for (j = i; j &lt;= n; j++) { sum = cov[i][j]; for (k = i - 1; k &gt;= 1; k = k - 1) { sum = sum - cov[i][k] * cov[j][k]; } // next k if (i == j) { if (sum &lt;= 0) {} // not sure what to do here p[i] = Math.sqrt(sum); } else { cov[j][k] = sum / p[i]; } } // next j } // next i for (i = 1; i &lt;= n; i++) { for (j = 1; j &lt;= i; j++) { if (j == i) { chol[i][j] = p[i]; } else { chol[i][j] = cov[i][j]; } // next j } // next i } } // end function cholDec function gauRand (sigma) { var flset = 0; // not sure what this is var r = 0; if (flset == 0) { while (r &lt;= 0 || r &gt;= 1) { v1 = 2 * Math.random() - 1; v2 = 2 * Math.random() - 1; r = v1 * v1 + v2 * v2; } // loop ddev = Math.sqrt(-2 * Math.log(r) / r); dev1 = v1 * ddev; flset = -1; return sigma * v2 * ddev; } else { flset = 0; return sigma * dev1; } } // end function gauRand function computeOtherElements() { var sma = parseFloat(txtcq.value) / (1 - parseFloat(txtcEcc.value)); //var jd = 2457000.5; var jd = parseFloat(txtJD.value) //var tp = 2457573.609471251599; var tp = parseFloat(txtcTp.value); var period = 2 * Math.PI * Math.sqrt(sma * sma * sma * AU * AU * AU / (G * objMass[0])) / 86400; var deltaT = tp - jd; var ma = 360 - (360 * deltaT / period); txtSMA.value = sma.toString(); txtMA.value = ma.toString(); inSMA = sma * 149597870691; inEcc = parseFloat(txtcEcc.value); inInc = parseFloat(txtcInc.value) * Math.PI / 180; inNode = parseFloat(txtcNode.value) * Math.PI / 180; inPeri = parseFloat(txtcPeri.value) * Math.PI / 180; inMA = ma * Math.PI / 180; inPrimaryMass = 5.97369125232006E+24 * 332946.050894783; inMass = 0; ComputeStateVectors(); txtcX.value = xCreate.toString(); txtcY.value = yCreate.toString(); txtcZ.value = zCreate.toString(); txtcVX.value = vxCreate.toString(); txtcVY.value = vyCreate.toString(); txtcVZ.value = vzCreate.toString(); } // end function computeOtherElements function gRand(mean, sd) { var x1, x2, w, y1, y2; do { x1 = 2 * Math.random() - 1; x2 = 2 * Math.random() - 1; w = x1 * x1 + x2 * x2; } while(w &gt;= 1) w = Math.sqrt((-2 * Math.log(w)) / w); y1 = x1 * w; y2 = x2 * w; return mean + y1 * sd; } function createObjects() { var percent, nominal, cStart, cEnd, cRange, range = new Array(); var n = parseFloat(txtNumberOfObjectsCreated.value); var tarA = parseInt(selectTargetObjectA.value); var tNameA = objName[tarA]; var tarB = parseInt(selectTargetObjectB.value); var tNameB = objName[tarB]; var refA = parseInt(selectCameraObjectA.value); var nNameA = objName[refA]; var refB = parseInt(selectCameraObjectB.value); var nNameB = objName[refB]; for (k = 1; k &lt;= n; k++) { if (btnSMAPlusMinus.value == '+/- %') { percent = parseFloat(txtSMADistribution.value) * 0.01; nominal = parseFloat(txtSMA.value); inSMA = nominal * (1 - percent + Math.random() * percent * 2); } else if (btnSMAPlusMinus.value == "Start, End") { cRange = txtSMA.value; range = cRange.split(","); cStart = parseFloat(range[0]); cEnd = parseFloat(range[1]); delta = (cEnd - cStart) / (n-1); inSMA = parseFloat(cStart) + delta * (k - 1); } else { inSMA = gRand(parseFloat(txtSMA.value), parseFloat(txtSMADistribution.value)); } if (isNaN(inSMA)){inSMA = 1500000000000;} if (btnSMAUnit.value == '(km)') {inSMA = inSMA * 1000} else if (btnSMAUnit.value == '(AU)') {inSMA = inSMA * AU} else if (btnSMAUnit.value == '(LY)') {inSMA = inSMA * LY} if (btnEccentricityPlusMinus.value == '+/- %') { percent = parseFloat(txtEccentricityDistribution.value) * 0.01; nominal = parseFloat(txtEccentricity.value); inEcc = nominal * (1 - percent + Math.random() * percent * 2); } else if (btnEccentricityPlusMinus.value == "Start, End") { cRange = txtEccentricity.value; range = cRange.split(","); cStart = parseFloat(range[0]); cEnd = parseFloat(range[1]); delta = (cEnd - cStart) / (n-1); inEcc = parseFloat(cStart) + delta * (k - 1); } else { inEcc = gRand(parseFloat(txtEccentricity.value), parseFloat(txtEccentricityDistribution.value)); } if (isNaN(inEcc)){inEcc = 0;} if (btnInclinationPlusMinus.value == '+/- %') { percent = parseFloat(txtInclinationDistribution.value) * 0.01; nominal = parseFloat(txtInclination.value); inInc = toRadians(nominal * (1 - percent + Math.random() * percent * 2)); } else if (btnEccentricityPlusMinus.value == "Start, End") { cRange = txtInclination.value; range = cRange.split(","); cStart = parseFloat(range[0]); cEnd = parseFloat(range[1]); delta = (cEnd - cStart) / (n-1); inInc = parseFloat(cStart) + delta * (k - 1); } else { inInc = gRand(parseFloat(txtInclination.value), parseFloat(txtInclinationDistribution.value)); } if (isNaN(inInc)){inInc = 0;} if (btnLongitudePlusMinus.value == '+/- %') { percent = parseFloat(txtLongitudeDistribution.value) * 0.01; nominal = parseFloat(txtLongitude.value); inNode = toRadians(nominal * (1 - percent + Math.random() * percent * 2)); } else if (btnLongitudePlusMinus.value == "Start, End") { cRange = txtLongitude.value; range = cRange.split(","); cStart = parseFloat(range[0]); cEnd = parseFloat(range[1]); delta = (cEnd - cStart) / (n-1); inNode = parseFloat(cStart) + delta * (k - 1); } else { inNode = gRand(parseFloat(txtLongitude.value), parseFloat(txtLongitudeDistribution.value)); } if (isNaN(inNode)){inNode = 0;} if (btnPeriapsisPlusMinus.value == '+/- %') { percent = parseFloat(txtPeriapsisDistribution.value) * 0.01; nominal = parseFloat(txtPeriapsis.value); inPeri = toRadians(nominal * (1 - percent + Math.random() * percent * 2)); } else if (btnPeriapsisPlusMinus.value == 'Start, End') { cRange = txtPeriapsis.value; range = cRange.split(","); cStart = parseFloat(range[0]); cEnd = parseFloat(range[1]); delta = (cEnd - cStart) / (n-1); inPeri = parseFloat(cStart) + delta * (k - 1); } else { inPeri = gRand(parseFloat(txtPeriapsis.value), parseFloat(txtPeriapsisDistribution.value)); } if (isNaN(inPeri)){inPeri = 0;} if (btnMAPlusMinus.value == '+/- %') { percent = parseFloat(txtMADistribution.value) * 0.01; nominal = parseFloat(txtMA.value); inMA = toRadians(nominal * (1 - percent + Math.random() * percent * 2)); } else if (btnMAPlusMinus.value == 'Start, End') { cRange = txtMA.value; range = cRange.split(","); cStart = parseFloat(range[0]); cEnd = parseFloat(range[1]); delta = (cEnd - cStart) / (n-1); inMA = parseFloat(cStart) + delta * (k - 1); } else { inMA = gRand(parseFloat(txtMA.value), parseFloat(txtMADistribution.value)); } if (isNaN(inMA)){inMA = 0;} inPrimaryMass = parseFloat(objMass[selectCreateReferenceObject.value]) * 5.97369125232006E+24; if (isNaN(inPrimaryMass)){inPrimaryMass = 0;} if (btnMassPlusMinus.value == '+/- %') { percent = parseFloat(txtCreateMassDistribution.value) * 0.01; nominal = parseFloat(txtCreateMass.value); inMass = nominal * (1 - percent + Math.random() * percent * 2); } else if (btnMassPlusMinus.value == '+/- %') { cRange = txtCreateMass.value; range = cRange.split(","); cStart = parseFloat(range[0]); cEnd = parseFloat(range[1]); delta = (cEnd - cStart) / (n-1); inMass = parseFloat(cStart) + delta * (k - 1); } else { inMass = gRand(parseFloat(txtCreateMass.value), parseFloat(txtCreateMassDistribution.value)); } if (isNaN(inMass)){inMass = 0;} if (btnMassUnit.value == '(kg)') { //inMass = inMass / 5.97369125232006E+24; } else if (btnMassUnit.value == '(Em)') { inMass = inMass * 5.97369125232006E+24; } else if (btnMassUnit.value == '(Jm)') { inMass = inMass * 317.828391263477 * 5.97369125232006E+24; } else if (btnMassUnit.value == '(Sm)') { inMass = inMass * 332946.050894784 * 5.97369125232006E+24; } if (btnRadiusPlusMinus.value == '+/- %') { percent = parseFloat(txtCreateRadiusDistribution.value) * 0.01; nominal = parseFloat(txtCreateRadius.value); inRadius = nominal * (1 - percent + Math.random() * percent * 2); } else if (btnRadiusPlusMinus.value == '+/- %') { cRange = txtCreateRadius.value; range = cRange.split(","); cStart = parseFloat(range[0]); cEnd = parseFloat(range[1]); delta = (cEnd - cStart) / (n-1); inRadius = parseFloat(cStart) + delta * (k - 1); } else { inRadius = gRand(parseFloat(txtCreateRadius.value), parseFloat(txtCreateRadiusDistribution.value)); } if (isNaN(inRadius)){inRadius = 0;} if (btnRadiusUnit.value == '(km)') { inRadius = inRadius * 1000; } else if (btnRadiusUnit.value == '(AU)') { inRadius = inRadius * 149597870691; } else if (btnRadiusUnit.value == '(LY)') { inRadius = inRadius * 9.4605284E+15; } if (btnRedPlusMinus.value == '+/- %') { percent = parseFloat(txtCreateRedDistribution.value) * 0.01; nominal = parseFloat(txtCreateRed.value); inRed = nominal * (1 - percent + Math.random() * percent * 2); } else if (btnRedPlusMinus.value == 'Start, End') { cRange = txtCreateRed.value; range = cRange.split(","); cStart = parseFloat(range[0]); cEnd = parseFloat(range[1]); delta = (cEnd - cStart) / (n-1); inRed = parseFloat(txtCreateRed.value) + delta * (k - 1); } else { inRed = gRand(parseFloat(txtCreateRed.value), parseFloat(txtCreateRedDistribution.value)); } if (isNaN(inRed)){inRed = 0;} inRed = parseInt(inRed); if (btnGreenPlusMinus.value == '+/- %') { percent = parseFloat(txtCreateGreenDistribution.value) * 0.01; nominal = parseFloat(txtCreateGreen.value); inGreen = nominal * (1 - percent + Math.random() * percent * 2); } else if (btnGreenPlusMinus.value == 'Start, End') { cRange = txtCreateGreen.value; range = cRange.split(","); cStart = parseFloat(range[0]); cEnd = parseFloat(range[1]); delta = (cEnd - cStart) / (n-1); inGreen = parseFloat(cStart) + delta * (k - 1); } else { inGreen = gRand(parseFloat(txtCreateGreen.value), parseFloat(txtCreateGreenDistribution.value)); } if (isNaN(inGreen)){inGreen = 0;} inGreen = parseInt(inGreen); if (btnBluePlusMinus.value == '+/- %') { percent = parseFloat(txtCreateBlueDistribution.value) * 0.01; nominal = parseFloat(txtCreateBlue.value); inBlue = nominal * (1 - percent + Math.random() * percent * 2); } else if (btnBluePlusMinus.value == 'Start, End') { cRange = txtCreateBlue.value; range = cRange.split(","); cStart = parseFloat(range[0]); cEnd = parseFloat(range[1]); delta = (cEnd - cStart) / (n-1); inBlue = parseFloat(cStart) + delta * (k - 1); } else { inBlue = gRand(parseFloat(txtCreateBlue.value), parseFloat(txtCreateBlueDistribution.value)); } if (isNaN(inBlue)){inBlue = 0;} inBlue = parseInt(inBlue); ComputeStateVectors(); objects++; objPreTrail[objects] = false; objx[objects] = xCreate + parseFloat(objx[selectCreateReferenceObject.value]); objy[objects] = yCreate + parseFloat(objy[selectCreateReferenceObject.value]); objz[objects] = zCreate + parseFloat(objz[selectCreateReferenceObject.value]); objvx[objects] = vxCreate + parseFloat(objvx[selectCreateReferenceObject.value]); objvy[objects] = vyCreate + parseFloat(objvy[selectCreateReferenceObject.value]); objvz[objects] = vzCreate + parseFloat(objvz[selectCreateReferenceObject.value]); objMass[objects] = inMass / 5.97369125232006E+24; objColorRed[objects] = inRed; objColorGreen[objects] = inGreen; objColorBlue[objects] = inBlue; objShadowRed[objects] = parseInt(inRed / 30); objShadowGreen[objects] = parseInt(inGreen / 30); objShadowBlue[objects] = parseInt(inBlue / 30); objLabelRed[objects] = inRed; objLabelGreen[objects] = inGreen; objLabelBlue[objects] = inBlue; objTrailRed[objects] = inRed; objTrailGreen[objects] = inGreen; objTrailBlue[objects] = inBlue; objSubZRed[objects] = parseInt(inRed / 3); objSubZGreen[objects] = parseInt(inGreen / 3); objSubZBlue[objects] = parseInt(inBlue / 3); objDiameter[objects] = inRadius * 2; if (n &gt; 1) { objName[objects] = txtCreateName.value + '_' + k.toString(); } else { objName[objects] = txtCreateName.value; } } //next k scrf = selectCreateReferenceObject.value; populateSelectBoxes(); selectCreateReferenceObject.value = scrf; updateCameras(); populatePreTrailList(); chooseDeletions(); k = 1; while (k &lt;= objects &amp;&amp; objName[k] != tNameA) {k++} selectTargetObjectA.selectedIndex = k - 1; k = 1; while (k &lt;= objects &amp;&amp; objName[k] != tNameB) {k++} selectTargetObjectB.selectedIndex = k - 1; k = 1; while (k &lt;= objects &amp;&amp; objName[k] != nNameA) {k++} selectCameraObjectA.selectedIndex = k - 1; k = 1; while (k &lt;= objects &amp;&amp; objName[k] != nNameB) {k++} selectCameraObjectB.selectedIndex = k - 1; changeCameraObjectA(); changeCameraObjectB(); } // end function createObjects() function importSingleObject(ssObject) { var isoOutput; var ajax = new XMLHttpRequest(); ajax.open('POST', 'http://orbitsimulator.com/gravitySimulatorCloud/horizonsTesting07.php', false); var requestDate = UTC(elapsedTime * 1000 + startDate); var horizonsStartDate = requestDate.substr(11, 4); horizonsStartDate = horizonsStartDate + "-" + requestDate.substr(4, 3); horizonsStartDate = horizonsStartDate + "-" + requestDate.substr(8, 2); horizonsStartDate = horizonsStartDate + requestDate.substr(15, 9); requestDate = UTC((elapsedTime + 1) * 1000 + startDate); var horizonsStopDate = requestDate.substr(11, 4); horizonsStopDate = horizonsStopDate + "-" + requestDate.substr(4, 3); horizonsStopDate = horizonsStopDate + "-" + requestDate.substr(8, 2); horizonsStopDate = horizonsStopDate + requestDate.substr(15, 9); var sendMe = horizonsStartDate + "~" + horizonsStopDate + "~" + ssObject; ajax.send(sendMe); var elements = ajax.responseText.split("|"); if (elements[0].indexOf("STOP_TIME") == -1) { objects = objects + 1; nPreTrails++; objPreTrail[objects] = false; objx[objects] = Number(elements[0]) * 1000; objy[objects] = Number(elements[1]) * 1000; objz[objects] = Number(elements[2]) * 1000; objvx[objects] = Number(elements[3]) * 1000; objvy[objects] = Number(elements[4]) * 1000; objvz[objects] = Number(elements[5]) * 1000; objMass[objects] = 0; objDiameter[objects] = 0; objName[objects] = elements[6]; isoOutput = elements[6]; objReferenceObject[objects] = "Sun"; inRed = parseInt(txtImportColor.value.substr(0, 2), 16); inGreen = parseInt(txtImportColor.value.substr(2, 2), 16); inBlue = parseInt(txtImportColor.value.substr(4, 2), 16); objColorRed[objects] = inRed; objColorGreen[objects] = inGreen; objColorBlue[objects] = inBlue; if (objName[objects].indexOf("(199)") != -1) {objMass[objects] = 5.52744433489479E-02; objDiameter[objects] = 4880 * 1000; objColorRed[objects] = 223; objColorGreen[objects] = 223; objColorBlue[objects] = 223;}; if (objName[objects].indexOf("(299)") != -1) {objMass[objects] = 0.815010558277565; objDiameter[objects] = 12104 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 255; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(3)") != -1) {objMass[objects] = 1.01230037; objDiameter[objects] = 12742 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 0; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(399)") != -1) {objMass[objects] = 1; objDiameter[objects] = 12742 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 0; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(4)") != -1) {objMass[objects] = 0.107496574990426; objDiameter[objects] = 6780 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 0;}; if (objName[objects].indexOf("(499)") != -1) {objMass[objects] = 0.107448363593513; objDiameter[objects] = 6780 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 0;}; if (objName[objects].indexOf("(5)") != -1) {objMass[objects] = 317.81406500757; objDiameter[objects] = 142984 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(599)") != -1) {objMass[objects] = 317.748259798798; objDiameter[objects] = 142984 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(6)") != -1) {objMass[objects] = 95.1605171215507; objDiameter[objects] = 120536 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 255; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(699)") != -1) {objMass[objects] = 95.1369891738674; objDiameter[objects] = 120536 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 255; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(7)") != -1) {objMass[objects] = 14.5336322606698; objDiameter[objects] = 25559 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 255; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(799)") != -1) {objMass[objects] = 14.5321035743661; objDiameter[objects] = 25559 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 255; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(8)") != -1) {objMass[objects] = 17.1470981129495; objDiameter[objects] = 24766 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(899)") != -1) {objMass[objects] = 17.1435040202699; objDiameter[objects] = 24766 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(2003 UB313)") != -1) {objMass[objects] = 1.67E22 / 5.97369125232006E+24; objDiameter[objects] = 1163 * 2 * 1000}; if (objName[objects].indexOf("(2005 FY9)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 1500 * 1000}; if (objName[objects].indexOf("(2003 VB12)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 995 * 1000}; if (objName[objects].indexOf("(2003 EL61)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 1920 * 1000}; if (objName[objects].indexOf("(2004 DW)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 917 * 1000}; if (objName[objects].indexOf("(2002 LM60)") != -1) {objMass[objects] = 1.4e21 / 5.97369125232006E+24; objDiameter[objects] = 1110 * 1000}; if (objName[objects].indexOf("(2001 KX76)") != -1) {objMass[objects] = 1.4e21 / 5.97369125232006E+24; objDiameter[objects] = 650 * 1000}; if (objName[objects].indexOf("(2002 AW197)") != -1) {objMass[objects] = 1.4e21 / 5.97369125232006E+24; objDiameter[objects] = 768 * 1000}; if (objName[objects].indexOf("(2000 WR106)") != -1) {objMass[objects] = 3.7e20 / 5.97369125232006E+24; objDiameter[objects] = 757 * 1000}; if (objName[objects].indexOf("(2007 OR10)") != -1) {objMass[objects] = 3.7e20 / 5.97369125232006E+24; objDiameter[objects] = 1280 * 1000}; if (objName[objects].indexOf("1 Ceres") != -1) {objMass[objects] = 9.43e20 / 5.97369125232006E+24; objDiameter[objects] = 476.2 * 2 * 1000}; if (objName[objects].indexOf("4 Vesta") != -1) {objMass[objects] = 2.59076e20 / 5.97369125232006E+24; objDiameter[objects] = 572 * 1000}; if (objName[objects].indexOf("2 Pallas") != -1) {objMass[objects] = 2.11e20 / 5.97369125232006E+24; objDiameter[objects] = 582 * 1000}; if (objName[objects].indexOf("10 Hygiea") != -1) {objMass[objects] = 8.67e19 / 5.97369125232006E+24; objDiameter[objects] = 530 * 1000}; if (objName[objects].indexOf("31 Euphrosyne") != -1) {objMass[objects] = 58.1e18 / 5.97369125232006E+24; objDiameter[objects] = 255.9 * 1000}; if (objName[objects].indexOf("704 Interamnia") != -1) {objMass[objects] = 3.9e19 / 5.97369125232006E+24; objDiameter[objects] = 350 * 1000}; if (objName[objects].indexOf("511 Davida") != -1) {objMass[objects] = 3.84e19 / 5.97369125232006E+24; objDiameter[objects] = 289 * 1000}; if (objName[objects].indexOf("532 Herculina") != -1) {objMass[objects] = 2.29e19 / 5.97369125232006E+24; objDiameter[objects] = 222 * 1000}; if (objName[objects].indexOf("15 Eunomia") != -1) {objMass[objects] = 3.12e19 / 5.97369125232006E+24; objDiameter[objects] = 357 * 1000}; if (objName[objects].indexOf("3 Juno") != -1) {objMass[objects] = 2.67e19 / 5.97369125232006E+24; objDiameter[objects] = 320 * 1000}; if (objName[objects].indexOf("16 Psyche") != -1) {objMass[objects] = 2.27e19 / 5.97369125232006E+24; objDiameter[objects] = 240 * 1000}; if (objName[objects].indexOf("52 Europa") != -1) {objMass[objects] = 3.27e19 / 5.97369125232006E+24; objDiameter[objects] = 379 * 1000}; if (objName[objects].indexOf("88 Thisbe") != -1) {objMass[objects] = 1.83e19 / 5.97369125232006E+24; objDiameter[objects] = 255 * 1000}; if (objName[objects].indexOf("7 Iris") != -1) {objMass[objects] = 1.62e19 / 5.97369125232006E+24; objDiameter[objects] = 240 * 1000}; if (objName[objects].indexOf("13 Egeria") != -1) {objMass[objects] = 1.63e19 / 5.97369125232006E+24; objDiameter[objects] = 214 * 1000}; if (objName[objects].indexOf("423 Diotima") != -1) {objMass[objects] = 1.6e19 / 5.97369125232006E+24; objDiameter[objects] = 209 * 1000}; if (objName[objects].indexOf("29 Amphitrite") != -1) {objMass[objects] = 1.18e19 / 5.97369125232006E+24; objDiameter[objects] = 233 * 1000}; if (objName[objects].indexOf("87 Sylvia") != -1) {objMass[objects] = 1.478e19 / 5.97369125232006E+24; objDiameter[objects] = 384 * 1000}; if (objName[objects].indexOf("48 Doris") != -1) {objMass[objects] = 1.7e19 / 5.97369125232006E+24; objDiameter[objects] = 278 * 1000}; if (objName[objects].indexOf("(301)") != -1) {objMass[objects] = 0.0123003700; objDiameter[objects] = 1737.53 * 2 * 1000}; if (objName[objects].indexOf("(401)") != -1) {objMass[objects] = 1.08E16 / 5.97369125232006E+24; objDiameter[objects] = 27 * 1000}; if (objName[objects].indexOf("(402)") != -1) {objMass[objects] = 1.8E15 / 5.97369125232006E+24; objDiameter[objects] = 15 * 2 * 1000}; if (objName[objects].indexOf("(701)") != -1) {objMass[objects] = 13.53E20 / 5.97369125232006E+24; objDiameter[objects] = 581.8 * 2 * 1000}; if (objName[objects].indexOf("(702)") != -1) {objMass[objects] = 11.72E20 / 5.97369125232006E+24; objDiameter[objects] = 584.7 * 2 * 1000}; if (objName[objects].indexOf("(703)") != -1) {objMass[objects] = 35.27E20 / 5.97369125232006E+24; objDiameter[objects] = 788.9 * 2 * 1000}; if (objName[objects].indexOf("(704)") != -1) {objMass[objects] = 30.14E20 / 5.97369125232006E+24; objDiameter[objects] = 761.4 * 2 * 1000}; if (objName[objects].indexOf("(705)") != -1) {objMass[objects] = 0.659E20 / 5.97369125232006E+24; objDiameter[objects] = 240 * 2 * 1000}; if (objName[objects].indexOf("(706)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 13 * 2 * 1000}; if (objName[objects].indexOf("(707)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 16 * 2 * 1000}; if (objName[objects].indexOf("(708)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 22 * 2 * 1000}; if (objName[objects].indexOf("(709)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 33 * 2 * 1000}; if (objName[objects].indexOf("(710)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 39 * 2 * 1000}; if (objName[objects].indexOf("(711)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 42 * 2 * 1000}; if (objName[objects].indexOf("(712)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 55 * 2 * 1000}; if (objName[objects].indexOf("(713)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 29 * 2 * 1000}; if (objName[objects].indexOf("(714)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 34 * 2 * 1000}; if (objName[objects].indexOf("(715)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 77 * 2 * 1000}; if (objName[objects].indexOf("(716)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 30 * 2 * 1000}; if (objName[objects].indexOf("(717)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 60 * 2 * 1000}; if (objName[objects].indexOf("(801)") != -1) {objMass[objects] = 214.7E20 / 5.97369125232006E+24; objDiameter[objects] = 1352.6 * 2 * 1000}; if (objName[objects].indexOf("(802)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 170 * 2 * 1000}; if (objName[objects].indexOf("(803)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 29 * 2 * 1000}; if (objName[objects].indexOf("(804)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 40 * 2 * 1000}; if (objName[objects].indexOf("(805)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 74 * 2 * 1000}; if (objName[objects].indexOf("(806)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 79 * 2 * 1000}; if (objName[objects].indexOf("(807)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 218 * 2 * 1000}; if (objName[objects].indexOf("(808)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 218 * 2 * 1000}; if (objName[objects].indexOf("(809)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 218 * 2 * 1000}; if (objName[objects].indexOf("(9)") != -1) {objMass[objects] = 1.307E22 / 5.97369125232006E+24; objDiameter[objects] = 1195 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 0; objColorBlue[objects] = 64;}; if (objName[objects].indexOf("(999)") != -1) {objMass[objects] = 1.307E22 / 5.97369125232006E+24; objDiameter[objects] = 1195 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 0; objColorBlue[objects] = 64;}; if (objName[objects].indexOf("(901)") != -1) {objMass[objects] = 1.53E21 / 5.97369125232006E+24; objDiameter[objects] = 605 * 2 * 1000; objColorRed[objects] = 0xB4; objColorGreen[objects] = 0x04; objColorBlue[objects] = 0x5F;}; if (objName[objects].indexOf("(902)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 140* 1000; objColorRed[objects] = 0x08; objColorGreen[objects] = 0x8A; objColorBlue[objects] = 0x29;}; if (objName[objects].indexOf("(903)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 172 * 1000; objColorRed[objects] = 0x08; objColorGreen[objects] = 0x8A; objColorBlue[objects] = 0x29;}; if (objName[objects].indexOf("(904)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 44 * 1000; objColorRed[objects] = 0x08; objColorGreen[objects] = 0x8A; objColorBlue[objects] = 0x29;}; if (objName[objects].indexOf("(905)") != -1) {objMass[objects] = 0 / 5.97369125232006E+24; objDiameter[objects] = 28 * 1000; objColorRed[objects] = 0x08; objColorGreen[objects] = 0x8A; objColorBlue[objects] = 0x29;}; if (objName[objects].indexOf("(501)") != -1) {objMass[objects] = 893.3E20/ 5.97369125232006E+24; objDiameter[objects] = 1821.3 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 72; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(502)") != -1) {objMass[objects] = 479.7E20/ 5.97369125232006E+24; objDiameter[objects] = 1565 * 2 * 1000; objColorRed[objects] = 196; objColorGreen[objects] = 0; objColorBlue[objects] = 196;}; if (objName[objects].indexOf("(503)") != -1) {objMass[objects] = 1482E20/ 5.97369125232006E+24; objDiameter[objects] = 2634 * 2 * 1000; objColorRed[objects] = 223; objColorGreen[objects] = 0; objColorBlue[objects] = 223;}; if (objName[objects].indexOf("(504)") != -1) {objMass[objects] = 1076E20/ 5.97369125232006E+24; objDiameter[objects] = 2403 * 2 * 1000; objColorRed[objects] = 191; objColorGreen[objects] = 0; objColorBlue[objects] = 191;}; if (objName[objects].indexOf("(505)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 131 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 64;}; if (objName[objects].indexOf("(506)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 85 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 255; objColorBlue[objects] = 0;}; if (objName[objects].indexOf("(507)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 40 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 255; objColorBlue[objects] = 0;}; if (objName[objects].indexOf("(508)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 18 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(509)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 14 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(510)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 12 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 255; objColorBlue[objects] = 0;}; if (objName[objects].indexOf("(511)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 15 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(512)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 10 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 255; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(513)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 5 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 255; objColorBlue[objects] = 0;}; if (objName[objects].indexOf("(514)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 50 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 64;}; if (objName[objects].indexOf("(515)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 10 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 64;}; if (objName[objects].indexOf("(516)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 64;}; if (objName[objects].indexOf("(517)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(518)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 207; objColorGreen[objects] = 207; objColorBlue[objects] = 207;}; if (objName[objects].indexOf("(519)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(520)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(521)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(522)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 255; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(523)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(524)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 255; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(525)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(526)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(527)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 255; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(528)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(529)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 255; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(530)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 255; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(531)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(532)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(533)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 255; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(534)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 255; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(535)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 255; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(536)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(537)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(538)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(539)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(540)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 255; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(541)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(542)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 255; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(543)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(544)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(545)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 255; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(546)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 0; objColorBlue[objects] = 0;}; if (objName[objects].indexOf("(547)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(548)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 0; objColorGreen[objects] = 128; objColorBlue[objects] = 255;}; if (objName[objects].indexOf("(549)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 255; objColorGreen[objects] = 128; objColorBlue[objects] = 64;}; if (objName[objects].indexOf("(550)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(516)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(551)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(552)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(553)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(554)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 20 * 2 * 1000; objColorRed[objects] = 128; objColorGreen[objects] = 128; objColorBlue[objects] = 128;}; if (objName[objects].indexOf("(601)") != -1) {objMass[objects] = 3.75E19/ 5.97369125232006E+24; objDiameter[objects] = 198 * 2 * 1000}; if (objName[objects].indexOf("(602)") != -1) {objMass[objects] = 10.805E19/ 5.97369125232006E+24; objDiameter[objects] = 252.3 * 2 * 1000}; if (objName[objects].indexOf("(603)") != -1) {objMass[objects] = 61.76E19/ 5.97369125232006E+24; objDiameter[objects] = 536.3 * 2 * 1000}; if (objName[objects].indexOf("(604)") != -1) {objMass[objects] = 109.572E19/ 5.97369125232006E+24; objDiameter[objects] = 562.5 * 2 * 1000}; if (objName[objects].indexOf("(605)") != -1) {objMass[objects] = 230.9E19/ 5.97369125232006E+24; objDiameter[objects] = 764.5 * 2 * 1000}; if (objName[objects].indexOf("(606)") != -1) {objMass[objects] = 13455.3E19/ 5.97369125232006E+24; objDiameter[objects] = 2575.5 * 2 * 1000}; if (objName[objects].indexOf("(607)") != -1) {objMass[objects] = 1.08E19/ 5.97369125232006E+24; objDiameter[objects] = 133 * 2 * 1000}; if (objName[objects].indexOf("(608)") != -1) {objMass[objects] = 180.59E19/ 5.97369125232006E+24; objDiameter[objects] = 734.5 * 2 * 1000}; if (objName[objects].indexOf("(609)") != -1) {objMass[objects] = 0.8289E19/ 5.97369125232006E+24; objDiameter[objects] = 106.6 * 2 * 1000}; if (objName[objects].indexOf("(610)") != -1) {objMass[objects] = 0.0198E20/ 5.97369125232006E+24; objDiameter[objects] = 97 * 2 * 1000}; if (objName[objects].indexOf("(611)") != -1) {objMass[objects] = 0.0055E20/ 5.97369125232006E+24; objDiameter[objects] = 69 * 2 * 1000}; if (objName[objects].indexOf("(612)") != -1) {objMass[objects] = 0.002547E19/ 5.97369125232006E+24; objDiameter[objects] = 16 * 2 * 1000}; if (objName[objects].indexOf("(613)") != -1) {objMass[objects] = 0.0007194E19/ 5.97369125232006E+24; objDiameter[objects] = 15 * 2 * 1000}; if (objName[objects].indexOf("(614)") != -1) {objMass[objects] = 0.0003597E19/ 5.97369125232006E+24; objDiameter[objects] = 15 * 2 * 1000}; if (objName[objects].indexOf("(615)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 18.5 * 2 * 1000}; if (objName[objects].indexOf("(616)") != -1) {objMass[objects] = 0.0014E20/ 5.97369125232006E+24; objDiameter[objects] = 74 * 2 * 1000}; if (objName[objects].indexOf("(617)") != -1) {objMass[objects] = 0.0013E20/ 5.97369125232006E+24; objDiameter[objects] = 55 * 2 * 1000}; if (objName[objects].indexOf("(618)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 10 * 2 * 1000}; if (objName[objects].indexOf("(1986 TO)") != -1) {objMass[objects] = 0/ 5.97369125232006E+24; objDiameter[objects] = 0; objColorRed[objects] = 0x00; objColorGreen[objects] = 0xFF; objColorBlue[objects] = 0x00;}; objShadowRed[objects] = parseInt(objColorRed[objects] / 30); objShadowGreen[objects] = parseInt(objColorGreen[objects] / 30); objShadowBlue[objects] = parseInt(objColorBlue[objects] / 30); objLabelRed[objects] = objColorRed[objects] ; objLabelGreen[objects] = objColorGreen[objects]; objLabelBlue[objects] = objColorBlue[objects]; objTrailRed[objects] = objColorRed[objects] ; objTrailGreen[objects] = objColorGreen[objects]; objTrailBlue[objects] = objColorBlue[objects]; objSubZRed[objects] = parseInt(objColorRed[objects] / 3); objSubZGreen[objects] = parseInt(objColorGreen[objects] / 3); objSubZBlue[objects] = parseInt(objColorBlue[objects] / 3); populateSelectBoxes(); } else {isoOutput = 'not found';} isoOutput = isoOutput.trim(); return isoOutput; } // end function importSingleObject() function deleteAll() { objects = 1; populateSelectBoxes(); chooseDeletions(); } function importPlanetsLuna() { txtAreaObjects.value = "199, 299, 399, 4, 5, 6, 7, 8, 301,"; } function importPlanetsLunaPluto() { txtAreaObjects.value = "199, 299, 399, 4, 5, 6, 7, 8, 9, 301,"; } function importKBOsTNOs() { if (txtAreaObjects.value.indexOf(" 9") != -1) { txtAreaObjects.value = txtAreaObjects.value + " 2003 UB313, 2005 FY9, 2003 VB12, 2003 EL61, 2004 DW, 2002 LM60, 2001 KX76, 2002 AW197, 2000 WR106, 2007 OR10,"; } else { txtAreaObjects.value = txtAreaObjects.value + " 9, 2003 UB313, 2005 FY9, 2003 VB12, 2003 EL61, 2004 DW, 2002 LM60, 2001 KX76, 2002 AW197, 2000 WR106, 2007 OR10,"; } } function importMajorAsteroids() { txtAreaObjects.value = txtAreaObjects.value + " ceres, vesta, pallas, hygiea, euphrosyne, interamnia, davida, herculina, eunomia, ASTNAM=Juno, psyche, ASTNAM = europa, ASTNAM = thisbe, ASTNAM = iris, ASTNAM = egeria, ASTNAM = diotima, ASTNAM = amphitrite, ASTNAM = sylvia, ASTNAM = doris,"; } function importPhobosDeimos() { txtAreaObjects.value = txtAreaObjects.value.replace(" 4,", " 499,"); txtAreaObjects.value = txtAreaObjects.value + " 401, 402,"; } function importGalilianMoons() { txtAreaObjects.value = txtAreaObjects.value.replace(" 5,", " 599,"); txtAreaObjects.value = txtAreaObjects.value + " 501, 502, 503, 504,"; } function importJovianMoons() { txtAreaObjects.value = txtAreaObjects.value.replace(" 5,", " 599,"); txtAreaObjects.value = txtAreaObjects.value + " 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 525, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, 551, 552, 553,"; } function importSaturianMoons() { txtAreaObjects.value = txtAreaObjects.value.replace(" 6,", " 699,"); txtAreaObjects.value = txtAreaObjects.value + " 601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 624, 625, 626, 627, 628, 629, 630, 631, 632, 633, 634, 635, 636, 637, 638, 639, 640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 650, 651, 652, 653,"; } function importUranianMoons() { txtAreaObjects.value = txtAreaObjects.value.replace(" 7,", " 799,"); txtAreaObjects.value = txtAreaObjects.value + " 701, 702, 703, 704, 705, 706, 707, 708, 709, 710, 711, 712, 713, 714, 715, 716, 717, 718, 719, 720, 721, 722, 723, 724, 725, 726, 727,"; } function importNeptuneMoons() { txtAreaObjects.value = txtAreaObjects.value.replace(" 8,", " 899,"); txtAreaObjects.value = txtAreaObjects.value + " 801, 802, 803, 804, 805, 806, 807, 808, 809, 810, 811, 812, 813, 814,"; } function importPlutoMoons() { txtAreaObjects.value = txtAreaObjects.value.replace(" 9,", " 999,"); txtAreaObjects.value = txtAreaObjects.value + " 901, 902, 903, 904, 905,"; } function importObjects() { setDate(txtImportSetDateAndTime.value + ' (UTC)'); if (checkDeleteExistingObjects.checked) {deleteAll()} var tarA = parseInt(selectTargetObjectA.value); var tNameA = objName[tarA]; var tarB = parseInt(selectTargetObjectB.value); var tNameB = objName[tarB]; var refA = parseInt(selectCameraObjectA.value); var nNameA = objName[refA]; var refB = parseInt(selectCameraObjectB.value); var nNameB = objName[refB]; var txtAreaStuff = txtAreaObjects.value; txtAreaStuff= txtAreaStuff.replace(String.fromCharCode(10), ""); txtAreaStuff = txtAreaStuff.replace(", ", ","); if (txtAreaStuff.substr(txtAreaStuff.length - 1, 1) == ',') {txtAreaStuff = txtAreaStuff.substr(0, txtAreaStuff.length - 1);} var iObjects = txtAreaStuff.split(","); n = iObjects.length; txtAreaObjects.value = txtAreaObjects.value + String.fromCharCode(10) + String.fromCharCode(10); for (k = 0; k &lt; n; k++) { iObjects[k] = iObjects[k].replace(String.fromCharCode(10), ""); txtAreaObjects.value = txtAreaObjects.value + "Importing " + iObjects[k]; success = importSingleObject(iObjects[k]); txtAreaObjects.value = txtAreaObjects.value + " -- " + success + String.fromCharCode(10); } // next k updateCameras(); populatePreTrailList(); chooseDeletions(); k = 1; while (k &lt;= objects &amp;&amp; objName[k] != tNameA) {k++} selectTargetObjectA.selectedIndex = k - 1; k = 1; while (k &lt;= objects &amp;&amp; objName[k] != tNameB) {k++} selectTargetObjectB.selectedIndex = k - 1; k = 1; while (k &lt;= objects &amp;&amp; objName[k] != nNameA) {k++} selectCameraObjectA.selectedIndex = k - 1; k = 1; while (k &lt;= objects &amp;&amp; objName[k] != nNameB) {k++} selectCameraObjectB.selectedIndex = k - 1; changeCameraObjectA(); changeCameraObjectB(); updateInfo(); } // end function importObjects function importAnObject() { //setDate(txtImportSetDateAndTime.value + ' (UTC)'); //if (checkDeleteExistingObjects.checked) {deleteAll()} var res = txtImportObjectsLite.value.split(String.fromCharCode(9)); var L = res.length; if (L == 10) { importBolide(); } else { if (txtImportObjectsLite.value.indexOf('more') == -1) { var tarA = parseInt(selectTargetObjectA.value); var tNameA = objName[tarA]; var tarB = parseInt(selectTargetObjectB.value); var tNameB = objName[tarB]; var refA = parseInt(selectCameraObjectA.value); var nNameA = objName[refA]; var refB = parseInt(selectCameraObjectB.value); var nNameB = objName[refB]; var txtAreaStuff = txtImportObjectsLite.value; txtAreaStuff= txtAreaStuff.replace(String.fromCharCode(10), ""); txtAreaStuff = txtAreaStuff.replace(", ", ","); if (txtAreaStuff.substr(txtAreaStuff.length - 1, 1) == ',') {txtAreaStuff = txtAreaStuff.substr(0, txtAreaStuff.length - 1);} var iObjects = txtAreaStuff.split(","); n = iObjects.length; if (n &gt; 100) {n = 100} lblImportObjectsLite.innerHTML = ""; for (k = 0; k &lt; n; k++) { iObjects[k] = iObjects[k].replace(String.fromCharCode(10), ""); lblImportObjectsLite.innerHTML = lblImportObjectsLite.innerHTML + "Importing " + iObjects[k]; success = importSingleObject(iObjects[k]); if (success.indexOf('not found') == -1) { nPreTrails++; objPreTrail[objects] = true; } //document.getElementById('checkPT' + objects.toString()).checked = true; lblImportObjectsLite.innerHTML = lblImportObjectsLite.innerHTML + " -- " + success + String.fromCharCode(10); } // next k updateCameras(); populatePreTrailList(); chooseDeletions(); k = 1; while (k &lt;= objects &amp;&amp; objName[k] != tNameA) {k++} selectTargetObjectA.selectedIndex = k - 1; k = 1; while (k &lt;= objects &amp;&amp; objName[k] != tNameB) {k++} selectTargetObjectB.selectedIndex = k - 1; k = 1; while (k &lt;= objects &amp;&amp; objName[k] != nNameA) {k++} selectCameraObjectA.selectedIndex = k - 1; k = 1; while (k &lt;= objects &amp;&amp; objName[k] != nNameB) {k++} selectCameraObjectB.selectedIndex = k - 1; changeCameraObjectA(); changeCameraObjectB(); updateInfo(); if (lblImportObjectsLite.innerHTML.indexOf('not found') == -1) { document.getElementById("divImportObjectsLite").style.visibility = "hidden"; } createPreTrails() } else { document.getElementById('divImportObjects').style.visibility = 'visible'; document.getElementById("divImportObjectsLite").style.visibility = "hidden"; } } // end if (L == 10) } // end function importAnObject function importBolide() { var res = txtImportObjectsLite.value.split(String.fromCharCode(9)); var L = res.length; var modifiedDate = res[0].replace("-", "/"); var modifiedDate = modifiedDate.replace("-", "/"); var BolideDate = Date.parse(modifiedDate + ' UTC'); var d1 = UTC(elapsedTime * 1000 + startDate); d1 = d1.replace("(", ""); d1 = d1.replace(")", ""); var d5 = UTC(BolideDate); d5 = d5.replace("(", ""); d5 = d5.replace(")", ""); tempDoEvents = txtDoEvents.value; txtDoEvents.value = '1000' changeDoEvents(); if (BolideDate &gt;= startDate + elapsedTime * 1000) { timeStepPause = 1024; var d2 = UTC(BolideDate - 1100000); d2 = d2.replace("(", ""); d2 = d2.replace(")", ""); var d3 = UTC(BolideDate - 70000); d3 = d3.replace("(", ""); d3 = d3.replace(")", ""); var d4 = UTC(BolideDate - 10000); d4 = d4.replace("(", ""); d4 = d4.replace(")", ""); txtAreaAPsingleEvents.value = ""; txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + d2 + "{" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "timeStepSet(64);" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "}" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + d3 + "{" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "timeStepSet(8);" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "}" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + d4 + "{" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "txtDoEvents.value = '1';" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "changeDoEvents();" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "timeStepSet(1);" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "}" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + d5 + "{" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "createBolide();" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "timeStepSet(-1);" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "txtDoEvents.value = tempDoEvents;" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "changeDoEvents();" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "pause();" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "txtAreaAPsingleEvents.value = '';" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "updateAPsingleEvents();"; txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "}"; } else { timeStepPause = -1024; var d2 = UTC(BolideDate + 1100000); d2 = d2.replace("(", ""); d2 = d2.replace(")", ""); var d3 = UTC(BolideDate + 70000); d3 = d3.replace("(", ""); d3 = d3.replace(")", ""); var d4 = UTC(BolideDate + 10000); d4 = d4.replace("(", ""); d4 = d4.replace(")", ""); txtAreaAPsingleEvents.value = ""; txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + d2 + "{" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "timeStepSet(-64);" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "}" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + d3 + "{" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "timeStepSet(-8);" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "}" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + d4 + "{" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "txtDoEvents.value = '1';" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "changeDoEvents();" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "timeStepSet(-1);" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "}" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + d5 + "{" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "createBolide();" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "txtDoEvents.value = tempDoEvents;" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "changeDoEvents();" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + " pause();" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "txtAreaAPsingleEvents.value = '';" + String.fromCharCode(10); txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "updateAPsingleEvents();"; txtAreaAPsingleEvents.value = txtAreaAPsingleEvents.value + "}"; } // end if (BolideDate &gt;= startDate + elapsedTime * 1000) updateAPsingleEvents(); document.getElementById("divImportObjectsLite").style.visibility = "hidden"; pause(); } // end function importBolide function createBolide() { var res = txtImportObjectsLite.value.split(String.fromCharCode(9)); if (res[1].indexOf("S") != -1) {res[1] = "-" + res[1]} var latString = res[1].replace("S",""); latString = latString.replace("N", ""); var lat = parseFloat(latString); if (res[2].indexOf("W") != -1) {res[2] = "-" + res[2]} var lonString = res[2].replace("E",""); lonString = lonString.replace("W", ""); var lon = parseFloat(lonString); tElapsed = startDate / 1000 + elapsedTime; tElapsedInRotations = tElapsed / 86164.100352; tFractionOfRotation = sign(tElapsedInRotations) * (Math.abs(tElapsedInRotations) - Math.floor(Math.abs(tElapsedInRotations))); lAmbda = lon + 100.275 + tFractionOfRotation * 360; lAmbda = Math.PI * lAmbda / 180; Beta = -Math.PI * lat / 180; aLpha = Math.atan2(Math.sin(lAmbda) * Math.cos(ePsilon) - Math.tan(Beta) * Math.sin(ePsilon), Math.cos(lAmbda)); dElta = Math.asin(Math.sin(Beta) * Math.cos(ePsilon) + Math.cos(Beta) * Math.sin(ePsilon) * Math.sin(lAmbda)); dCore = Math.sqrt(((eqR * eqR * Math.cos(Beta)) * (eqR * eqR * Math.cos(Beta)) + (polR * polR * Math.sin(Beta)) * (polR * polR * Math.sin(Beta))) / ((eqR * Math.cos(Beta)) * (eqR * Math.cos(Beta)) + (polR * Math.sin(Beta)) * (polR * Math.sin(Beta)))); objects++; nPreTrails++; objPreTrail[objects] = false; //change fromObjA to whatever number Earth is objName[objects] = 'bolide' + res[0]; objx[objects] = objx[4] + dCore * Math.cos(dElta) * Math.cos(aLpha); objy[objects] = objy[4] + dCore * Math.cos(dElta) * Math.sin(aLpha); objz[objects] = objz[4] - dCore * Math.sin(dElta); var speed = 1000 * Math.sqrt(parseFloat(res[5]) * parseFloat(res[5]) + parseFloat(res[6]) * parseFloat(res[6]) + parseFloat(res[7]) * parseFloat(res[7])); objvx[objects] = objvx[4] + speed * Math.cos(dElta) * Math.cos(aLpha); objvy[objects] = objvy[4] + speed * Math.cos(dElta) * Math.sin(aLpha); objvz[objects] = objvz[4] - speed * Math.sin(dElta); inRed = parseInt(txtImportColor.value.substr(0, 2), 16); inGreen = parseInt(txtImportColor.value.substr(2, 2), 16); inBlue = parseInt(txtImportColor.value.substr(4, 2), 16); objColorRed[objects] = inRed; objColorGreen[objects] = inGreen; objColorBlue[objects] = inBlue; objShadowRed[objects] = parseInt(objColorRed[objects] / 30); objShadowGreen[objects] = parseInt(objColorGreen[objects] / 30); objShadowBlue[objects] = parseInt(objColorBlue[objects] / 30); objLabelRed[objects] = objColorRed[objects] ; objLabelGreen[objects] = objColorGreen[objects]; objLabelBlue[objects] = objColorBlue[objects]; objTrailRed[objects] = objColorRed[objects] ; objTrailGreen[objects] = objColorGreen[objects]; objTrailBlue[objects] = objColorBlue[objects]; objSubZRed[objects] = parseInt(objColorRed[objects] / 3); objSubZGreen[objects] = parseInt(objColorGreen[objects] / 3); objSubZBlue[objects] = parseInt(objColorBlue[objects] / 3); populateSelectBoxes(); updateCameras(); populatePreTrailList(); chooseDeletions(); createPreTrails() } // function createBolide() function updateAPsingleEventsOld() { var apText = txtAreaAPsingleEvents.value; var apArray = apText.split('}'); var i = 1, c, t, pos; for (k = 0; k &lt;= apArray.length - 2; k++) { pos = apArray[k].indexOf("{"); t = apArray[k].substr(0, pos); c = apArray[k].substr(pos + 1); if (t.indexOf('now') == -1) { autoPilotTime[i] = (Date.parse(t) - startDate) / 1000; } else { var n = new Date(); var d = (n.getTime() - startDate) / 1000 - timeStep; autoPilotTime[i] = d; } autoPilotCommand[i] = c; i++; } nAutoPilot = i - 1; } // end function updateSingleEvents() function updateAPsingleEventsOld2() { var apText = txtAreaAPsingleEvents.value; var apArray = apText.split('}}'); var i = 1, c, t, pos; for (k = 0; k &lt;= apArray.length - 2; k++) { pos = apArray[k].indexOf("{{"); t = apArray[k].substr(0, pos); c = apArray[k].substr(pos + 2); if (t.indexOf('now') == -1) { autoPilotTime[i] = (Date.parse(t) - startDate) / 1000; } else { var n = new Date(); var d = (n.getTime() - startDate) / 1000 - timeStep; autoPilotTime[i] = d; } autoPilotCommand[i] = c; i++; } nAutoPilot = i - 1; } // end function updateSingleEvents() function updateAPsingleEvents() { var apText = txtAreaAPsingleEvents.value; var apArray = apText.split('}}'); var i = 1, c, t, pos; for (k = 0; k &lt;= apArray.length - 2; k++) { pos = apArray[k].indexOf("{{"); t = apArray[k].substr(0, pos); c = apArray[k].substr(pos + 2); if (t.indexOf('onload') == -1 &amp;&amp; t.indexOf('on_load') == -1 &amp;&amp; t.indexOf('onLoad') == -1 &amp;&amp; t.indexOf('now') == -1) { autoPilotTime[i] = (Date.parse(t) - startDate) / 1000; } else { pos = apArray[k].indexOf("{{"); //txtAreaQuickHelp.value = apArray[k].substr(pos+2); eval(apArray[k].substr(pos+2)); } autoPilotCommand[i] = c; i++; } nAutoPilot = i - 1; } // end function updateSingleEvents() function updateAPnow() { eval(txtAreaAPnow.value); } function updateAPperIteration() { APperIterationCode = txtAreaAPperIteration.value; } // end function updateAPperIteration() function updateAPperGraphicUpdate() { APperGraphicUpdateCode = txtAreaAPperGraphicUpdate.value; } // end function updateAPperIteration() function updateCameras() { objx[objects + 1] = cameraAx; objy[objects + 1] = cameraAy; objz[objects + 1] = cameraAz; objvx[objects + 1] = cameraAvx; objvy[objects + 1] = cameraAvy; objvz[objects + 1] = cameraAvz; objx[objects + 2] = cameraBx; objy[objects + 2] = cameraBy; objz[objects + 2] = cameraBz; objvx[objects + 2] = cameraBvx; objvy[objects + 2] = cameraBvy; objvz[objects + 2] = cameraBvz; objName[objects + 1] = 'Camera A'; objName[objects + 2] = 'Camera B'; inRed = 0; inGreen = 0; inBlue = 0; objColorRed[objects + 1] = inRed; objColorGreen[objects + 1] = inGreen; objColorBlue[objects + 1] = inBlue; objShadowRed[objects + 1] = parseInt(inRed / 30); objShadowGreen[objects + 1] = parseInt(inGreen / 30); objShadowBlue[objects + 1] = parseInt(inBlue / 30); objLabelRed[objects + 1] = inRed; objLabelGreen[objects + 1] = inGreen; objLabelBlue[objects + 1] = inBlue; objTrailRed[objects + 1] = inRed; objTrailGreen[objects + 1] = inGreen; objTrailBlue[objects + 1] = inBlue; objSubZRed[objects + 1] = parseInt(inRed / 3); objSubZGreen[objects + 1] = parseInt(inGreen / 3); objSubZBlue[objects + 1] = parseInt(inBlue / 3); objColorRed[objects + 2] = inRed; objColorGreen[objects + 2] = inGreen; objColorBlue[objects + 2] = inBlue; objShadowRed[objects + 2] = parseInt(inRed / 30); objShadowGreen[objects + 2] = parseInt(inGreen / 30); objShadowBlue[objects + 2] = parseInt(inBlue / 30); objLabelRed[objects + 2] = inRed; objLabelGreen[objects + 2] = inGreen; objLabelBlue[objects + 2] = inBlue; objTrailRed[objects + 2] = inRed; objTrailGreen[objects + 2] = inGreen; objTrailBlue[objects + 2] = inBlue; objSubZRed[objects + 2] = parseInt(inRed / 3); objSubZGreen[objects + 2] = parseInt(inGreen / 3); objSubZBlue[objects + 2] = parseInt(inBlue / 3); objReferenceObject[objects + 1] = 'Sun'; objReferenceObject[objects + 2] = 'Sun'; objReferenceNumber[objects + 1] = 1; objReferenceNumber[objects + 2] = 1; objMass[objects + 1] = 0; objMass[objects + 2] = 0; objDiameter[objects + 1] = 0; objDiameter[objects + 2] = 0; } function changeDistribution(btn) { if (document.getElementById(btn).value == "+/- %") { document.getElementById(btn).value = "1 SD"; } else if (document.getElementById(btn).value == "1 SD") { document.getElementById(btn).value = "Start, End"; } else { document.getElementById(btn).value = "+/- %"; } } // end function changeDistribution() function changeLengthUnitLarge(btn) { if (document.getElementById(btn).value == "(km)") {document.getElementById(btn).value = "(AU)";} else if (document.getElementById(btn).value == "(AU)") {document.getElementById(btn).value = "(LY)";} else if (document.getElementById(btn).value == "(LY)") {document.getElementById(btn).value = "(m)"; } else {document.getElementById(btn).value = "(km)";} } function changeLengthUnitSmall(btn) { if (document.getElementById(btn).value == "(km)") {document.getElementById(btn).value = "(m)";} else {document.getElementById(btn).value = "(km)";} } function changeMassUnit(btn) { if (document.getElementById(btn).value == "(kg)") {document.getElementById(btn).value = "(Em)"; document.getElementById(btn).title = "Earth masses";} else if (document.getElementById(btn).value == "(Em)") {document.getElementById(btn).value = "(Jm)"; document.getElementById(btn).title = "Jupiter masses";} else if (document.getElementById(btn).value == "(Jm)") {document.getElementById(btn).value = "(Sm)"; document.getElementById(btn).title = "Solar masses";} else {document.getElementById(btn).value = "(kg)"; document.getElementById(btn).title = "kilograms";} } function changeVelocityUnit(btn) { if (document.getElementById(btn).value == "(km/s)") {document.getElementById(btn).value = "(m/s)";} else {document.getElementById(btn).value = "(km/s)";} } function bend (parnt, chld) { //places camera B at the proper angle to show the maximum bend in an orbit as one object (chld) passes another object (parnt) //execute this function at closest approach var parnt = 4, chld = 13; px = objx[parnt] - objx[chld]; py = objy[parnt] - objy[chld]; pz = objz[parnt] - objz[chld]; vx = objvx[parnt] - objvx[chld]; vy = objvy[parnt] - objvy[chld]; vz = objvz[parnt] - objvz[chld]; qx = px + vx; qy = py + vy; qz = pz + vz; rx = py*qz - pz*qy; ry = -(px*qz - pz*qx); rz = px*qy - py*qx; d=Math.sqrt(rx*rx + ry*ry + rz*rz); rx = rx / d; ry = ry / d; rz = rz / d; var c = objects + 2; var distance = 9.4605284E+15; objx[c] = distance * rx; objy[c] = distance * ry; objz[c] = distance * rz; objvx[c] = 0; objvy[c] = 0; objvz[c] = 0; } function bTo(a, b) { var arrRA = a.toString().split(" "); var arrDec = b.toString().split(" "); var RA = Number(arrRA[0]); if (arrRA.length &gt; 1) {RA = RA + Number(arrRA[1]) / 60} if (arrRA.length &gt; 2) {RA = RA + Number(arrRA[2]) / 3600} var Dec = Number(arrDec[0]); if (arrDec.length &gt; 1) {Dec = Dec + Number(arrDec[1]) / 60} if (arrDec.length &gt; 2) {Dec = Dec + Number(arrDec[2]) / 3600} Dec = Math.PI * Dec / 180; RA = Math.PI * RA / 12; var d = 1e20; var c = objects + 2; var e = Math.PI * 23.4392810833333 / 180; var xEq = Math.cos(RA) * Math.cos(Dec); var yEq = Math.sin(RA) * Math.cos(Dec); var zEq = Math.sin(Dec); unitVectorVelocityX = xEq; unitVectorVelocityY = Math.cos(e) * yEq + Math.sin(e) * zEq; unitVectorVelocityZ = -Math.sin(e) * yEq +Math.cos(e) * zEq; distance = 5e20; objx[c] = distance * unitVectorVelocityX; objy[c] = distance * unitVectorVelocityY; objz[c] = distance * unitVectorVelocityZ; objvx[c] = 0; objvy[c] = 0; objvz[c] = 0; } function shorten() { for (var k = 1; k &lt;= objects; k++) { if (objName[k].indexOf("Mercury")&gt;=0) {objName[k] = "Mercury"} if (objName[k].indexOf("Venus")&gt;=0) {objName[k] = "Venus"} if (objName[k].indexOf("Earth")&gt;=0) {objName[k] = "Earth"} if (objName[k].indexOf("Mars")&gt;=0) {objName[k] = "Mars"} if (objName[k].indexOf("Jupiter")&gt;=0) {objName[k] = "Jupiter"} if (objName[k].indexOf("Saturn")&gt;=0) {objName[k] = "Saturn"} if (objName[k].indexOf("Uranus")&gt;=0) {objName[k] = "Uranus"} if (objName[k].indexOf("Neptune")&gt;=0) {objName[k] = "Neptune"} if (objName[k].indexOf("Pluto")&gt;=0) {objName[k] = "Pluto"} if (objName[k].indexOf("Moon")&gt;=0) {objName[k] = "Moon"} } } function plotRAa() { var e = Math.PI * 23.4392810833333 / 180; var xEq = 0, yEq = 0, zEq = 0; var unitVectorX = 0, unitVectorY = 0, unitVectorZ = 0, distance = 5e90; var CamX = objx[fromObjA], CamY = objy[fromObjA], CamZ = objz[fromObjA], ScrCtrY = pCanvasHeightA / 2, ScrCtrX = pCanvasWidthA / 2; var CtrX = objx[toObjA]; CtrY = objy[toObjA]; CtrZ = objz[toObjA]; pfContextA.lineWidth = parseFloat(txtGridBrightness.value); pfContextA.strokeStyle = '#' + txtGridColor.value; pfContextA.fillStyle = '#FFFF00'; pfContextA.font="10px Arial"; var virgin = 1, virginText = 1; var H = 0; var step = Number(txtRaSpacing.value) / 60; if (step &lt;= 0) {step = 0.1} for (H = 0; H &lt;= 23; H = H + step) { RA = Math.PI * H / 12; for (Dec = -Math.PI / 2; Dec &lt;= Math.PI / 2; Dec = Dec + Math.PI / 1000) { xEq = Math.cos(RA) * Math.cos(Dec); yEq = Math.sin(RA) * Math.cos(Dec); zEq = Math.sin(Dec); unitVectorX = xEq; unitVectorY = Math.cos(e) * yEq + Math.sin(e) * zEq; unitVectorZ = -Math.sin(e) * yEq +Math.cos(e) * zEq; XX = distance * unitVectorX; YY = distance * unitVectorY; ZZ = distance * unitVectorZ; sX = ScreenX(k, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(k, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); vector1x = CamX - CtrX; vector1y = CamY - CtrY; vector1z = CamZ - CtrZ; vector2x = CamX - XX; vector2y = CamY - YY; vector2z = CamZ - ZZ; dot = vector1x * vector2x + vector1y * vector2y + vector1z * vector2z; mag = Math.sqrt(vector1x * vector1x + vector1y * vector1y + vector1z * vector1z) * Math.sqrt(vector2x * vector2x + vector2y * vector2y + vector2z * vector2z); theta = 180 * Math.acos(dot / mag) / Math.PI; if (dot / mag &gt; 0.99999999999999) {theta = 0;} if (dot / mag &lt;-0.99999999999999) {theta = 180;} if (theta &lt; 90) { if (virgin == 1) { pfContextA.beginPath(); pfContextA.moveTo(sX, sY); virgin = 0; } pfContextA.lineTo(sX, sY); if (sY &gt;20 &amp;&amp; sY &lt; 100 &amp;&amp; virginText == 1) { //pfContextA.fillText(H.toFixed(2), sX, sY); pfContextA.fillText(ddmmss(H, ":"), sX, sY); virginText = 0; } } // if (theta &lt; 90) } // next RA pfContextA.stroke(); virgin = 1; virginText = 1; } // next Dec } // end function plotRAa() function plotRAb() { var e = Math.PI * 23.4392810833333 / 180; var xEq = 0, yEq = 0, zEq = 0; var unitVectorX = 0, unitVectorY = 0, unitVectorZ = 0, distance = 5e90; var CamX = objx[fromObjB], CamY = objy[fromObjB], CamZ = objz[fromObjB], ScrCtrY = pCanvasHeightB / 2, ScrCtrX = pCanvasWidthB / 2; var CtrX = objx[toObjB]; CtrY = objy[toObjB]; CtrZ = objz[toObjB]; pContextB.lineWidth = parseFloat(txtGridBrightness.value); pContextB.strokeStyle = '#' + txtGridColor.value; var virgin = 1; var H = 0; var step = Number(txtRaSpacing.value) / 60; if (step &lt;= 0) {step = 0.1} for (H = 0; H &lt;= 23; H = H + step) { RA = Math.PI * H / 12; for (Dec = -Math.PI / 2; Dec &lt;= Math.PI / 2; Dec = Dec + Math.PI / 1000) { xEq = Math.cos(RA) * Math.cos(Dec); yEq = Math.sin(RA) * Math.cos(Dec); zEq = Math.sin(Dec); unitVectorX = xEq; unitVectorY = Math.cos(e) * yEq + Math.sin(e) * zEq; unitVectorZ = -Math.sin(e) * yEq +Math.cos(e) * zEq; XX = distance * unitVectorX; YY = distance * unitVectorY; ZZ = distance * unitVectorZ; sX = ScreenX(k, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(k, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); vector1x = CamX - CtrX; vector1y = CamY - CtrY; vector1z = CamZ - CtrZ; vector2x = CamX - XX; vector2y = CamY - YY; vector2z = CamZ - ZZ; dot = vector1x * vector2x + vector1y * vector2y + vector1z * vector2z; mag = Math.sqrt(vector1x * vector1x + vector1y * vector1y + vector1z * vector1z) * Math.sqrt(vector2x * vector2x + vector2y * vector2y + vector2z * vector2z); theta = 180 * Math.acos(dot / mag) / Math.PI; if (dot / mag &gt; 0.99999999999999) {theta = 0;} if (dot / mag &lt;-0.99999999999999) {theta = 180;} if (theta &lt; 90) { if (virgin == 1) { pContextB.beginPath(); pContextB.moveTo(sX, sY); virgin = 0; } pContextA.lineTo(sX, sY); } // if (theta &lt; 90) } // next RA pContextB.stroke(); virgin = 1; } // next Dec } // end function plotRAb() function plotDecA() { var e = Math.PI * 23.4392810833333 / 180; var xEq = 0, yEq = 0, zEq = 0; var unitVectorX = 0, unitVectorY = 0, unitVectorZ = 0, distance = 5e90; var CamX = objx[fromObjA], CamY = objy[fromObjA], CamZ = objz[fromObjA], ScrCtrY = pCanvasHeightA / 2, ScrCtrX = pCanvasWidthA / 2; var CtrX = objx[toObjA]; CtrY = objy[toObjA]; CtrZ = objz[toObjA]; pfContextA.lineWidth = parseFloat(txtGridBrightness.value); pfContextA.strokeStyle = '#' + txtGridColor.value; pfContextA.fillStyle = '#FFFF00'; pfContextA.font="10px Arial"; var virgin = 1, virginText = 1; var D; var step = Number(txtDecSpacing.value); if (step &lt;= 0) {step = 0.1} for (D = -90; D &lt;=90; D = D + step) { Dec = D * Math.PI / 180; for (RA = 0; RA &lt;= 2 * Math.PI; RA = RA + 2 * Math.PI / 100) { xEq = Math.cos(RA) * Math.cos(Dec); yEq = Math.sin(RA) * Math.cos(Dec); zEq = Math.sin(Dec); unitVectorX = xEq; unitVectorY = Math.cos(e) * yEq + Math.sin(e) * zEq; unitVectorZ = -Math.sin(e) * yEq +Math.cos(e) * zEq; XX = distance * unitVectorX; YY = distance * unitVectorY; ZZ = distance * unitVectorZ; sX = ScreenX(k, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(k, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); vector1x = CamX - CtrX; vector1y = CamY - CtrY; vector1z = CamZ - CtrZ; vector2x = CamX - XX; vector2y = CamY - YY; vector2z = CamZ - ZZ; dot = vector1x * vector2x + vector1y * vector2y + vector1z * vector2z; mag = Math.sqrt(vector1x * vector1x + vector1y * vector1y + vector1z * vector1z) * Math.sqrt(vector2x * vector2x + vector2y * vector2y + vector2z * vector2z); theta = 180 * Math.acos(dot / mag) / Math.PI; if (dot / mag &gt; 0.99999999999999) {theta = 0;} if (dot / mag &lt;-0.99999999999999) {theta = 180;} if (theta &lt; 90) { if (virgin == 1) { pfContextA.beginPath(); pfContextA.moveTo(sX, sY); virgin = 0; } pfContextA.lineTo(sX, sY); if (sX &gt;0 &amp;&amp; sX &lt; 200 &amp;&amp; virginText == 1) { pfContextA.fillText(ddmmss(D, " "), sX, sY); virginText = 0; } } // if (theta &lt; 90) } // next RA pfContextA.stroke(); virgin = 1; virginText = 1; } // next Dec } // end function plotDecA() function plotDecB() { var e = Math.PI * 23.4392810833333 / 180; var xEq = 0, yEq = 0, zEq = 0; var unitVectorX = 0, unitVectorY = 0, unitVectorZ = 0, distance = 5e90; var CamX = objx[fromObjB], CamY = objy[fromObjB], CamZ = objz[fromObjB], ScrCtrY = pCanvasHeightB / 2, ScrCtrX = pCanvasWidthB / 2; var CtrX = objx[toObjB]; CtrY = objy[toObjB]; CtrZ = objz[toObjB]; pContextB.lineWidth = parseFloat(txtGridBrightness.value); pContextB.strokeStyle = '#' + txtGridColor.value; //pContextA.strokeStyle = "#FF0000"; var virgin = 1; var D; var step = Number(txtDecSpacing.value); if (step &lt;= 0) {step = 0.1} for (D = -90; D &lt;=90; D = D + step) { Dec = D * Math.PI / 180; for (RA = 0; RA &lt;= 2 * Math.PI; RA = RA + 2 * Math.PI / 100) { xEq = Math.cos(RA) * Math.cos(Dec); yEq = Math.sin(RA) * Math.cos(Dec); zEq = Math.sin(Dec); unitVectorX = xEq; unitVectorY = Math.cos(e) * yEq + Math.sin(e) * zEq; unitVectorZ = -Math.sin(e) * yEq +Math.cos(e) * zEq; XX = distance * unitVectorX; YY = distance * unitVectorY; ZZ = distance * unitVectorZ; sX = ScreenX(k, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(k, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); vector1x = CamX - CtrX; vector1y = CamY - CtrY; vector1z = CamZ - CtrZ; vector2x = CamX - XX; vector2y = CamY - YY; vector2z = CamZ - ZZ; dot = vector1x * vector2x + vector1y * vector2y + vector1z * vector2z; mag = Math.sqrt(vector1x * vector1x + vector1y * vector1y + vector1z * vector1z) * Math.sqrt(vector2x * vector2x + vector2y * vector2y + vector2z * vector2z); theta = 180 * Math.acos(dot / mag) / Math.PI; if (dot / mag &gt; 0.99999999999999) {theta = 0;} if (dot / mag &lt;-0.99999999999999) {theta = 180;} if (theta &lt; 90) { if (virgin == 1) { pContextB.beginPath(); pContextB.moveTo(sX, sY); virgin = 0; } pContextB.lineTo(sX, sY); } // if (theta &lt; 90) } // next RA pContextB.stroke(); virgin = 1; } // next Dec } // end function plotDecB() function ddmmss(H, delim) { var hs = Math.sign(H); H = Math.abs(H); var hour = Math.floor(H); var R = H - hour; R = R + 0.000000000009; R = R * 1e10; R = Math.floor(R); R = R / 1e10; R = R * 60; R = R + 0.0000009; R = R*1000; R = Math.floor(R); R = R/1000; R = R+0.000000000009; R = R * 1e10; R = Math.floor(R); R = R / 1e10; var minute = Math.floor(R); R = R - minute; R = R+0.000000000009; R = R * 1e10; R = Math.floor(R); R = R / 1e10; R = R * 60; R = R + 0.0000009; R = R * 1000; R = Math.floor(R); R = R/1000; var second = Math.floor(R); hour = hs * hour; var rs = hour.toString() + delim; if (minute &lt; 10) {rs = rs + "0";} rs = rs + minute.toString() + delim; if (second &lt; 10) {rs = rs + "0";} rs = rs + second.toString(); return (rs); } // function ddmmss function rotateCameraA() { perspectiveTrailsClsA(); perspectiveTrailsClsB(); rangeAv = rangeRotateCameraA.value; rangeZv = rangeRotateCameraZ.value; rangeDv = rangeRotateCameraD.value; } function loadStars() { var s = selectStars.selectedIndex; switch (s) { case 0: sI = '0'; var starScript= document.createElement('script'); starScript.onload = 'appendStarFile()'; starScript.type= 'text/javascript'; starScript.src= 'http://orbitsimulator.com/gravitySimulatorCloud/noStarsDynamic.js'; removeStarFile(); tagHead.appendChild(starScript); break; case 1: sI = '716'; var starScript= document.createElement('script'); starScript.onload = 'appendStarFile()'; starScript.type= 'text/javascript'; //starScript.src= 'http://orbitsimulator.com/gravitySimulatorCloud/simulations/stars715Dynamic617.js'; starScript.src= 'http://orbitsimulator.com/gravitySimulatorCloud/stars716DynamicWithNames.js'; removeStarFile(); tagHead.appendChild(starScript); break; case 2: sI = '15449'; var starScript= document.createElement('script'); starScript.onload = 'appendStarFile()'; starScript.type= 'text/javascript'; starScript.src= 'http://orbitsimulator.com/gravitySimulatorCloud/stars15kWithNamesDynamic.js'; removeStarFile(); tagHead.appendChild(starScript); break; } // end switch(s) interv = setInterval(waitFor, 100); } // end function loadStars() function waitFor() { if (starsIndex == sI) { clearInterval(interv); } else { includeStars(); } } function stereo() { checkStereo.checked = checkStereoCA.checked if (checkStereoCA.checked) { txtMinimumObjectSizeB.value = txtMinimumObjectSizeA.value; changeMinimumObjectSizeB(); txtTrailSizeB.value = txtTrailSizeA.value; changeTrailSizeB(); txtFOVb.value = txtFOVa.value; sScaleB = sScaleA; checkStarsB.checked = checkStarsA.checked; checkStarsLabelsB.checked = checkStarsLabelsA.checked; checkKBOsB.checked = checkKBOsA.checked; checkPreTrailsB.checked = checkPreTrailsA.checked; checkCrescentsB.checked = checkCrescentsA.checked; checkSunGraphicB.checked = checkSunGraphicA.checked; checkLabelsB.checked = checkLabelsA.checked; selectCameraObjectB.selectedIndex = selectCameraObjectA.selectedIndex; selectTargetObjectB.selectedIndex = selectTargetObjectA.selectedIndex; checkPerspectiveA.checked = true; checkPerspectiveB.checked = true; sizeFrames(); perspectiveTrailsClsA(); perspectiveTrailsClsB(); perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); changeTargetObjectB(); changeBarycenterB(); changeCameraObjectB(); } else { checkPerspectiveB.checked = false; checkPreTrailsB.checked = false; sizeFrames(); perspectiveTrailsClsA(); perspectiveTrailsClsB(); perspectiveTrails2ClsA(); perspectiveTrails2ClsB(); } } function removeStarFile() { var h = tagHead.innerHTML; var pos = h.indexOf("&lt;/style&gt;") + 9; h = h.substr(0, pos); tagHead.innerHTML = h; } function plotStarsA() { var fluxCoefficient = txtStarBrightness.value.toString(); pTrailSize = 0.5; var minObjSizePA = 3; rfr = 1; if (parseInt(selectCitiesA.value) == cities + 1 ) { CamX = objx[fromObjA] * rfr; CamY = objy[fromObjA] * rfr; CamZ = objz[fromObjA] * rfr; } else { computeCityOffsetA(); CamX = objx[fromObjA] + dCore * Math.cos(dElta) * Math.cos(aLpha); CamY = objy[fromObjA] + dCore * Math.cos(dElta) * Math.sin(aLpha); CamZ = objz[fromObjA] - dCore * Math.sin(dElta); } CtrX = objx[toObjA]; CtrY = objy[toObjA]; CtrZ = objz[toObjA]; ScrCtrY = pCanvasHeightA / 2; ScrCtrX = pCanvasWidthA / 2; for (k = 1; k &lt;= numberOfStars; k++) { sX = ScreenX(k, starX[k], starZ[k], starY[k], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(k, starX[k], starZ[k], starY[k], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); //Plot only if less than 90 degrees away vector1x = CamX - CtrX; vector1y = CamY - CtrY; vector1z = CamZ - CtrZ; vector2x = CamX - starX[k]; vector2y = CamY - starY[k]; vector2z = CamZ - starZ[k]; dot = vector1x * vector2x + vector1y * vector2y + vector1z * vector2z; mag = Math.sqrt(vector1x * vector1x + vector1y * vector1y + vector1z * vector1z) * Math.sqrt(vector2x * vector2x + vector2y * vector2y + vector2z * vector2z); if (k == toObjA) { theta = 0; //prevent a /0 error in Acos. } else { theta = Math.acos(dot / mag); } //if (theta &lt; 90) { if (theta &lt; Math.PI / 2) { flux = fluxCoefficient * Math.pow(10, starMag[k] / -2.5); pTrailSize = Math.sqrt(flux); if (pTrailSize &gt; 3) {pTrailSize = 3;} pfContextA.beginPath(); pfContextA.arc(sX, sY, pTrailSize, 0, 6.3, true); pfContextA.fillStyle = starColor[k]; pfContextA.fill(); if (checkStarsLabelsA.checked) {pfContextA.fillText(starHIP[k], sX, sY + 20);} if (checkStarsProperA.checked) {pfContextA.fillText(starProper[k], sX, sY + 20);} } } // next k if (checkConstellationBoundaries.checked) { plotConstellationBoundaries(); plotAsterismNames(); } } // end plotStarsA() function plotStarsB() { var fluxCoefficient = txtStarBrightness.value.toString(); pTrailSize = 0.5; var minObjSizePB = 3; rfr = 1; asdf = fromObjB; sdfg = toObjB; asdf1x = objx[fromObjB]; asdf1y = objy[fromObjB]; asdf1z = objz[fromObjB]; asdf2x = objx[toObjB]; asdf2y = objy[toObjB]; asdf2z = objz[toObjB]; asdf3x = starX[88]; asdf3y = starY[88]; asdf3z = starZ[88]; asdf4x = objx[2]; asdf4y = objy[2]; asdf4z = objy[2]; if (parseInt(selectCitiesB.value) == cities + 1 ) { CamX = objx[fromObjB] * rfr; CamY = objy[fromObjB] * rfr; CamZ = objz[fromObjB] * rfr; } else { computeCityOffsetB(); CamX = objx[fromObjB] + dCore * Math.cos(dElta) * Math.cos(aLpha); CamY = objy[fromObjB] + dCore * Math.cos(dElta) * Math.sin(aLpha); CamZ = objz[fromObjB] - dCore * Math.sin(dElta); } CtrX = objx[toObjB]; CtrY = objy[toObjB]; CtrZ = objz[toObjB]; ScrCtrY = pCanvasHeightB / 2; ScrCtrX = pCanvasWidthB / 2; for (k = 1; k &lt;= numberOfStars; k++) { sX = ScreenX(k, starX[k], starZ[k], starY[k], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleB); sY = ScreenY(k, starX[k], starZ[k], starY[k], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleB); //Plot only if less than 90 degrees away vector1x = CamX - CtrX; vector1y = CamY - CtrY; vector1z = CamZ - CtrZ; vector2x = CamX - starX[k]; vector2y = CamY - starY[k]; vector2z = CamZ - starZ[k]; dot = vector1x * vector2x + vector1y * vector2y + vector1z * vector2z; mag = Math.sqrt(vector1x * vector1x + vector1y * vector1y + vector1z * vector1z) * Math.sqrt(vector2x * vector2x + vector2y * vector2y + vector2z * vector2z); if (k == toObjB) { theta = 0; //prevent a /0 error in Acos. } else { theta = Math.acos(dot / mag); } //if (theta &lt; 90) { if (theta &lt; Math.PI / 2) { flux = fluxCoefficient * Math.pow(10, starMag[k] / -2.5); pTrailSize = Math.sqrt(flux); if (pTrailSize &gt; 3) {pTrailSize = 3;} pfContextB.beginPath(); pfContextB.arc(sX, sY, pTrailSize, 0, 6.3, true); pfContextB.fillStyle = starColor[k]; pfContextB.fill(); } } // next k } // end plotStarsB() function compute3dCameraPositions(x1, y1, z1, x2, y2, z2, theta) { var cameraLongitude = Math.atan2(y2, x2); if (radioCrosseye.checked) {var crossEye = 1} else {var crossEye = -1} var d = Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1)); var baseline = Math.PI * 2 * d * theta / 360; var m0 = (y2 - y1) / (x2 - x1); var m = -1 / m0; stereoX1 = x2 + sign(cameraLongitude) * crossEye * baseline / Math.sqrt(1 + m * m); stereoX2 = x2 - sign(cameraLongitude) * crossEye * baseline / Math.sqrt(1 + m * m); var b = y2 - m * x2; stereoY1 = m * stereoX1 + b; stereoY2 = m * stereoX2 + b; } // end function compute3dCameraPositions function computeCityOffsetA() { tElapsed = startDate / 1000 + elapsedTime; tElapsedInRotations = tElapsed / 86164.100352; tFractionOfRotation = sign(tElapsedInRotations) * (Math.abs(tElapsedInRotations) - Math.floor(Math.abs(tElapsedInRotations))); lAmbda = citiesLonA + 100.275 + tFractionOfRotation * 360; lAmbda = Math.PI * lAmbda / 180; Beta = -Math.PI * citiesLatA / 180; aLpha = Math.atan2(Math.sin(lAmbda) * Math.cos(ePsilon) - Math.tan(Beta) * Math.sin(ePsilon), Math.cos(lAmbda)); dElta = Math.asin(Math.sin(Beta) * Math.cos(ePsilon) + Math.cos(Beta) * Math.sin(ePsilon) * Math.sin(lAmbda)); dCore = Math.sqrt(((eqR * eqR * Math.cos(Beta)) * (eqR * eqR * Math.cos(Beta)) + (polR * polR * Math.sin(Beta)) * (polR * polR * Math.sin(Beta))) / ((eqR * Math.cos(Beta)) * (eqR * Math.cos(Beta)) + (polR * Math.sin(Beta)) * (polR * Math.sin(Beta)))); } // function computeCityOffsetA() function computeCityOffsetB() { tElapsed = startDate / 1000 + elapsedTime; tElapsedInRotations = tElapsed / 86164.100352; tFractionOfRotation = sign(tElapsedInRotations) * (Math.abs(tElapsedInRotations) - Math.floor(Math.abs(tElapsedInRotations))); lAmbda = citiesLonB + 100.275 + tFractionOfRotation * 360; lAmbda = Math.PI * lAmbda / 180; Beta = -Math.PI * citiesLatB / 180; aLpha = Math.atan2(Math.sin(lAmbda) * Math.cos(ePsilon) - Math.tan(Beta) * Math.sin(ePsilon), Math.cos(lAmbda)); dElta = Math.asin(Math.sin(Beta) * Math.cos(ePsilon) + Math.cos(Beta) * Math.sin(ePsilon) * Math.sin(lAmbda)); dCore = Math.sqrt(((eqR * eqR * Math.cos(Beta)) * (eqR * eqR * Math.cos(Beta)) + (polR * polR * Math.sin(Beta)) * (polR * polR * Math.sin(Beta))) / ((eqR * Math.cos(Beta)) * (eqR * Math.cos(Beta)) + (polR * Math.sin(Beta)) * (polR * Math.sin(Beta)))); } // function computeCityOffsetB() function distance (a, b) { return Math.sqrt((objx[a]-objx[b]) * (objx[a]-objx[b]) + (objy[a]-objy[b]) * (objy[a]-objy[b]) + (objz[a]-objz[b]) * (objz[a]-objz[b]) ); } function speed (a, b) { return Math.sqrt((objvx[a]-objvx[b]) * (objvx[a]-objvx[b]) + (objvy[a]-objvy[b]) * (objvy[a]-objvy[b]) + (objvz[a]-objvz[b]) * (objvz[a]-objvz[b]) ); } function radialSpeed (a, b) { var V = speed(a, b); var D = distance(a, b); var DotProduct = (objvx[a] - objvx[b]) * (objx[a] - objx[b]) + (objvy[a] - objvy[b]) * (objy[a] - objy[b]) + (objvz[a] - objvz[b]) * (objz[a] - objz[b]); var MagnitudeProduct = V * D; var theta = Math.acos(DotProduct / MagnitudeProduct); return V * Math.cos(theta); } function tangentialSpeed (a, b) { var V = speed(a, b); var D = distance(a, b); var DotProduct = (objvx[a] - objvx[b]) * (objx[a] - objx[b]) + (objvy[a] - objvy[b]) * (objy[a] - objy[b]) + (objvz[a] - objvz[b]) * (objz[a] - objz[b]); var MagnitudeProduct = V * D; var theta = Math.acos(DotProduct / MagnitudeProduct); return V * Math.sin(theta); } function arrangeA(k) { for (j = 1; j &lt;= objects; j++) { plotOrderA[j] = j; plotDistance[j] = Math.sqrt((objx[j]-objx[k]) * (objx[j]-objx[k]) + (objy[j]-objy[k]) * (objy[j]-objy[k]) + (objz[j]-objz[k]) * (objz[j]-objz[k])); } var tPlotDistance = 0, tPlotOrder = 0; var swapped = true; var passes = 0; while (swapped) { swapped = false; for (j = 1; j &lt; objects - passes; j++) { if (plotDistance[j] &lt; plotDistance [j + 1]) { tPlotDistance = plotDistance[j]; plotDistance[j] = plotDistance[j + 1]; plotDistance[j + 1] = tPlotDistance; tPlotOrder = plotOrderA[j]; plotOrderA[j] = plotOrderA[j + 1]; plotOrderA[j + 1] = tPlotOrder; swapped = true; } } passes++; } } // function arrangeA(k) function arrangeB(k) { for (j = 1; j &lt;= objects; j++) { plotOrderB[j] = j; plotDistance[j] = Math.sqrt((objx[j]-objx[k]) * (objx[j]-objx[k]) + (objy[j]-objy[k]) * (objy[j]-objy[k]) + (objz[j]-objz[k]) * (objz[j]-objz[k])); } var tPlotDistance = 0, tPlotOrder = 0; var swapped = true; var passes = 0; while (swapped) { swapped = false; for (j = 1; j &lt; objects - passes; j++) { if (plotDistance[j] &lt; plotDistance [j + 1]) { tPlotDistance = plotDistance[j]; plotDistance[j] = plotDistance[j + 1]; plotDistance[j + 1] = tPlotDistance; tPlotOrder = plotOrderB[j]; plotOrderB[j] = plotOrderB[j + 1]; plotOrderB[j + 1] = tPlotOrder; swapped = true; } } passes++; } } // function arrangeB(k) function plotPerspectiveA() { if (checkPerspectiveA.checked) { perspectiveClsA(); if (checkStarsA.checked) {plotStarsA()} if (checkRaDec.checked) {plotDecA(); plotRAa()} rfr = 1; if (checkStereo.checked) { compute3dCameraPositions(objx[toObjA], objy[toObjA], objz[toObjA], objx[fromObjA], objy[fromObjA], objz[fromObjA], parseInt(txtBaseline.value)); CamX = stereoX1 * rfr; CamY = stereoY1 * rfr; CamZ = objz[fromObjA]; } else { if (parseInt(selectCitiesA.value) == cities + 1 ) { CamX = objx[fromObjA] * rfr; CamY = objy[fromObjA] * rfr; CamZ = objz[fromObjA] * rfr; } else { // cities code computeCityOffsetA(); CamX = objx[fromObjA] + dCore * Math.cos(dElta) * Math.cos(aLpha); CamY = objy[fromObjA] + dCore * Math.cos(dElta) * Math.sin(aLpha); CamZ = objz[fromObjA] - dCore * Math.sin(dElta); } } if (checkBarycenterPerspectiveA.checked) { var xNumerator = objx[toObjA] * objMass[toObjA], yNumerator = objy[toObjA] * objMass[toObjA], zNumerator = objz[toObjA] * objMass[toObjA], Denominator = objMass[toObjA]; for (var k = 1; k &lt;= numberOfSystemElementsA; k++) { xNumerator = xNumerator + objMass[systemElementsA[k]] * objx[systemElementsA[k]]; yNumerator = yNumerator + objMass[systemElementsA[k]] * objy[systemElementsA[k]]; zNumerator = zNumerator + objMass[systemElementsA[k]] * objz[systemElementsA[k]]; Denominator = Denominator + objMass[systemElementsA[k]]; } focusX = xNumerator / Denominator; focusY = yNumerator / Denominator; focusZ = zNumerator / Denominator; } else { focusX = objx[toObjA]; focusY = objy[toObjA]; focusZ = objz[toObjA]; } CtrX = focusX; CtrY = focusY; CtrZ = focusZ; ScrCtrY = pCanvasHeightA / 2; ScrCtrX = pCanvasWidthA / 2; pfContextA.font = txtFontA.value; arrangeA(fromObjA); sX = ScreenX(1, objx[1], objz[1], objy[1], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(1, objx[1], objz[1], objy[1], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sunX = sX; sunY = sY; vector1x = CamX - CtrX; vector1y = CamY - CtrY; vector1z = CamZ - CtrZ; vector2x = CamX - objx[1]; vector2y = CamY - objy[1]; vector2z = CamZ - objz[1]; dot = vector1x * vector2x + vector1y * vector2y + vector1z * vector2z; mag = Math.sqrt(vector1x *vector1x+ vector1y * vector1y+ vector1z *vector1z) * Math.sqrt(vector2x * vector2x + vector2y * vector2y + vector2z * vector2z); sunTheta = 180 * Math.acos(dot / mag) / Math.PI; for (kk = 1; kk &lt;= objects; kk++) { k = plotOrderA[kk]; XX = objx[k]; YY = objy[k]; ZZ = objz[k]; sX = ScreenX(k, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(k, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); dd = Math.sqrt((CamX - objx[k]) * (CamX - objx[k]) + (CamY - objy[k]) *(CamY - objy[k]) + (CamZ - objz[k]) *(CamZ - objz[k])); angularsize = 180 * Math.atan(objDiameter[k] / dd) / Math.PI; plotsize = 1000 * angularsize * sScaleA * 8.726E-06;// 3.58550596659124E-07 * 16; //Plot only if less than 90 degrees away vector1x = CamX - CtrX; vector1y = CamY - CtrY; vector1z = CamZ - CtrZ; vector2x = CamX - objx[k]; vector2y = CamY - objy[k]; vector2z = CamZ - objz[k]; dot = vector1x * vector2x + vector1y * vector2y + vector1z * vector2z; mag = Math.sqrt(vector1x *vector1x+ vector1y * vector1y+ vector1z *vector1z) * Math.sqrt(vector2x * vector2x + vector2y * vector2y + vector2z * vector2z); if (k == toObjA) { theta = 0; //prevent a /0 error in Acos. } else { ddm = dot / mag; if (ddm &gt; 1) {ddm = 1} theta = 180 * Math.acos(ddm) / Math.PI; } // end if (k == toObjA) if (k == 1) {sunTheta = theta} if (theta &lt; 90) { if (plotsize &lt; minimumObjectSizeA) { plotsize = minimumObjectSizeA; } // end if (plotsize &lt; minimumObjectSizeA) if (((k != fromObjA) || (rfr &gt; 1))) { pContextA.beginPath(); if (lastXa[k] == -999) { pContextA.moveTo(sX, sY) } else { pContextA.moveTo(lastXa[k], lastYa[k]); pContextA.lineTo(sX, sY); } lastXa[k] = sX; lastYa[k] = sY; //pContextA.arc(sX, sY, trailSizeA, 0, 6.3, true); if (objz[k] &gt; 0) { pContextA.strokeStyle = 'rgb(' + objTrailRed[k] + ',' + objTrailGreen[k] + ',' + objTrailBlue[k] + ')'; } else { pContextA.strokeStyle = 'rgb(' + objSubZRed[k] + ',' + objSubZGreen[k] + ',' + objSubZBlue[k] + ')'; } // end if (objz[k] &gt; 0) //pContextA.fill(); if (checkTrailsCA.checked){ pContextA.lineWidth = trailSizeA; } else { pContextA.lineWidth = 0.000001; } if (objDiameter[k] &gt;= 0) { pContextA.stroke(); } if (k == 1 &amp;&amp; checkSunGraphicA.checked){ pfContextA.drawImage(solImage, sX - 14, sY - 14); } if (checkCrescentsA.checked &amp;&amp; k != 1) { vector1x = objx[k]; vector1y = objy[k]; vector1z = objz[k]; vector2x = objx[k] - objx[fromObjA]; vector2y = objy[k] - objy[fromObjA]; vector2z = objz[k] - objz[fromObjA]; vector1mag = Math.sqrt(vector1x * vector1x+ vector1y * vector1y + vector1z*vector1z); vector2mag = Math.sqrt(vector2x * vector2x+ vector2y * vector2y + vector2z*vector2z); dot = vector1x * vector2x + vector1y * vector2y + vector1z * vector2z ; mag = vector1mag * vector2mag; theta = Math.acos(dot / mag); rise = sY - sunY; run = sX - sunX; phi = Math.atan2(rise, run) - 0.5 * Math.PI; if (sunTheta &gt; 90) {phi = phi - Math.PI} drawCrescentA(k, sX, sY, plotsize, theta, phi); } else { pfContextA.beginPath(); pfContextA.arc(sX, sY, plotsize, 0, 6.3, true); pfContextA.fillStyle = 'rgb(' + objColorRed[k] + ',' + objColorGreen[k] + ',' + objColorBlue[k] +')'; pfContextA.fill(); } // end if(checkCrescentA.checked &amp;&amp; k != 1) if (checkLabelsA.checked) { pfContextA.fillStyle = 'rgb(' + objLabelRed[k] + ',' + objLabelGreen[k] + ',' + objLabelBlue[k] +')'; pfContextA.fillText(objName[k], sX, sY + 20);} } // if (((k != fromObjA) || (rfr &gt; 1))) } else { lastXa[k] = -999; lastYa[k] = -999; }// end if (theta &lt; 90) } // next k } // end if (checked) } //end plotPerspectiveA function drawCrescentC(k, centerX, centerY, a, phase, rotation) { // halfCircle pfContextA.beginPath(); pfContextA.arc(centerX, centerY, a, rotation, rotation + Math.PI); //halfEllipse var ecc = Math.sin(phase); var b = a * Math.sqrt(1 - ecc); var x = a * Math.cos(0); var y = b * Math.sin(0); var d = Math.sqrt(x * x + y * y); var phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; if (phase &lt; Math.PI / 2) { for (theta = Math.PI; theta &gt;= 0; theta = theta - 0.1) { x = a * Math.cos(theta); y = b * Math.sin(theta); d = Math.sqrt(x * x + y * y); phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; pfContextA.lineTo(x, y); } } else { for (theta = Math.PI; theta &lt;= 2 * Math.PI; theta = theta + 0.1) { x = a * Math.cos(theta); y = b * Math.sin(theta); d = Math.sqrt(x * x + y * y); phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; pfContextA.lineTo(x, y); } } context.closePath(); pfContextA.fillStyle = 'rgb(' + 0 + ',' + 0+ ',' + 0 +')'; // dark side pfContextA.fill(); pfContextA.beginPath(); pfContextA.arc(centerX, centerY, a, rotation + Math.PI, rotation); if (phase &lt; Math.PI / 2) { for (theta = 0; theta &lt;= Math.PI; theta = theta + 0.1) { x = a * Math.cos(theta); y = b * Math.sin(theta); d = Math.sqrt(x * x + y * y); phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; pfContextA.lineTo(x, y); } } else { for (theta = 0; theta &gt;= -Math.PI; theta = theta - 0.1) { x = a * Math.cos(theta); y = b * Math.sin(theta); d = Math.sqrt(x * x + y * y); phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; pfContextA.lineTo(x, y); } } pfContextA.closePath(); pfContextA.fillStyle = 'rgb(' + objShadowRed[k] + ',' + objShadowGreen[k] + ',' + objShadowBlue[k] +')'; pfContextA.fill(); } // function drawCrescentA function drawCrescentA(k, centerX, centerY, a, phase, rotation) { // halfCircle //rotation = rotation * Math.PI / 180; pfContextA.beginPath(); pfContextA.arc(centerX, centerY, a, rotation, rotation + Math.PI); //context.stroke(); //halfEllipse var ecc = Math.sin(phase); var b = a * Math.sqrt(1 - ecc); var x = a * Math.cos(0); var y = b * Math.sin(0); var d = Math.sqrt(x * x + y * y); var phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; if (phase &lt; Math.PI / 2) { for (theta = Math.PI; theta &gt;= 0; theta = theta - 0.1) { x = a * Math.cos(theta); y = b * Math.sin(theta); d = Math.sqrt(x * x + y * y); phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; pfContextA.lineTo(x, y); } } else { for (theta = Math.PI; theta &lt;= 2 * Math.PI; theta = theta + 0.1) { x = a * Math.cos(theta); y = b * Math.sin(theta); d = Math.sqrt(x * x + y * y); phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; pfContextA.lineTo(x, y); } } context.closePath(); //pfContextA.stroke(); //pfContextA.fillStyle = 'rgb(' + 0 + ',' + 0+ ',' + 0 +')'; // dark side pfContextA.fillStyle = 'rgb(' + objShadowRed[k] + ',' + objShadowGreen[k] + ',' + objShadowBlue[k] +')'; pfContextA.fill(); pfContextA.beginPath(); pfContextA.arc(centerX, centerY, a, rotation + Math.PI, rotation); if (phase &lt; Math.PI / 2) { for (theta = 0; theta &lt;= Math.PI; theta = theta + 0.1) { x = a * Math.cos(theta); y = b * Math.sin(theta); d = Math.sqrt(x * x + y * y); phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; pfContextA.lineTo(x, y); } } else { for (theta = 0; theta &gt;= -Math.PI; theta = theta - 0.1) { x = a * Math.cos(theta); y = b * Math.sin(theta); d = Math.sqrt(x * x + y * y); phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; pfContextA.lineTo(x, y); } } pfContextA.closePath(); pfContextA.fillStyle = 'rgb(' + objColorRed[k] + ',' + objColorGreen[k] + ',' + objColorBlue[k] +')'; pfContextA.fill(); } // function drawCrescentA function drawCrescentB(k, centerX, centerY, a, phase, rotation) { // halfCircle pfContextB.beginPath(); pfContextB.arc(centerX, centerY, a, rotation, rotation + Math.PI); //halfEllipse var ecc = Math.sin(phase); var b = a * Math.sqrt(1 - ecc); var x = a * Math.cos(0); var y = b * Math.sin(0); var d = Math.sqrt(x * x + y * y); var phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; if (phase &lt; Math.PI / 2) { for (theta = Math.PI; theta &gt;= 0; theta = theta - 0.1) { x = a * Math.cos(theta); y = b * Math.sin(theta); d = Math.sqrt(x * x + y * y); phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; pfContextB.lineTo(x, y); } } else { for (theta = Math.PI; theta &lt;= 2 * Math.PI; theta = theta + 0.1) { x = a * Math.cos(theta); y = b * Math.sin(theta); d = Math.sqrt(x * x + y * y); phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; pfContextB.lineTo(x, y); } } context.closePath() pfContextB.fillStyle = 'rgb(' + objShadowRed[k] + ',' + objShadowGreen[k] + ',' + objShadowBlue[k] +')'; // dark side pfContextB.fill(); pfContextB.beginPath(); pfContextB.arc(centerX, centerY, a, rotation + Math.PI, rotation); if (phase &lt; Math.PI / 2) { for (theta = 0; theta &lt;= Math.PI; theta = theta + 0.1) { x = a * Math.cos(theta); y = b * Math.sin(theta); d = Math.sqrt(x * x + y * y); phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; pfContextB.lineTo(x, y); } } else { for (theta = 0; theta &gt;= -Math.PI; theta = theta - 0.1) { x = a * Math.cos(theta); y = b * Math.sin(theta); d = Math.sqrt(x * x + y * y); phi = Math.atan2(y, x); x = d * Math.cos(phi + rotation) + centerX; y = d * Math.sin(phi + rotation) + centerY; pfContextB.lineTo(x, y); } } pfContextB.closePath(); pfContextB.fillStyle = 'rgb(' + objColorRed[k] + ',' + objColorGreen[k] + ',' + objColorBlue[k] +')'; pfContextB.fill(); } // function drawCrescentB function plotPerspectiveB() { if (checkPerspectiveB.checked) { perspectiveClsB(); if (checkStarsB.checked) {plotStarsB()} if (checkRaDec.checked) {plotDecB(); plotRAb()} rfr = 1; if (checkStereo.checked) { //compute3dCameraPositions(objx[toObjA], objy[toObjA], objx[fromObjA], objy[fromObjA], parseInt(txtBaseline.value)); CamX = stereoX2 * rfr; CamY = stereoY2 * rfr; CamZ = objz[fromObjA]; } else { if (parseInt(selectCitiesB.value) == cities + 1 ) { CamX = objx[fromObjB] * rfr; CamY = objy[fromObjB] * rfr; CamZ = objz[fromObjB] * rfr; } else { // cities code computeCityOffsetB(); CamX = objx[fromObjB] + dCore * Math.cos(dElta) * Math.cos(aLpha); CamY = objy[fromObjB] + dCore * Math.cos(dElta) * Math.sin(aLpha); CamZ = objz[fromObjB] - dCore * Math.sin(dElta); } } if (checkBarycenterPerspectiveB.checked) { var xNumerator = objx[toObjB] * objMass[toObjB], yNumerator = objy[toObjB] * objMass[toObjB], zNumerator = objz[toObjB] * objMass[toObjB], Denominator = objMass[toObjB]; for (var k = 1; k &lt;= numberOfSystemElementsB; k++) { xNumerator = xNumerator + objMass[systemElementsB[k]] * objx[systemElementsB[k]]; yNumerator = yNumerator + objMass[systemElementsB[k]] * objy[systemElementsB[k]]; zNumerator = zNumerator + objMass[systemElementsB[k]] * objz[systemElementsB[k]]; Denominator = Denominator + objMass[systemElementsB[k]]; } focusX = xNumerator / Denominator; focusY = yNumerator / Denominator; focusZ = zNumerator / Denominator; } else { focusX = objx[toObjB]; focusY = objy[toObjB]; focusZ = objz[toObjB]; } CtrX = focusX; CtrY = focusY; CtrZ = focusZ; ScrCtrY = pCanvasHeightB / 2; ScrCtrX = pCanvasWidthB / 2; pfContextB.font = txtFontB.value; arrangeB(fromObjB); sX = ScreenX(1, objx[1], objz[1], objy[1], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleB); sY = ScreenY(1, objx[1], objz[1], objy[1], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleB); sunX = sX; sunY = sY; vector1x = CamX - CtrX; vector1y = CamY - CtrY; vector1z = CamZ - CtrZ; vector2x = CamX - objx[1]; vector2y = CamY - objy[1]; vector2z = CamZ - objz[1]; dot = vector1x * vector2x + vector1y * vector2y + vector1z * vector2z; mag = Math.sqrt(vector1x *vector1x+ vector1y * vector1y+ vector1z *vector1z) * Math.sqrt(vector2x * vector2x + vector2y * vector2y + vector2z * vector2z); sunTheta = 180 * Math.acos(dot / mag) / Math.PI; for (kk = 1; kk &lt;= objects; kk++) { k = plotOrderB[kk]; XX = objx[k]; YY = objy[k]; ZZ = objz[k]; sX = ScreenX(k, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleB); sY = ScreenY(k, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleB); dd = Math.sqrt((CamX - objx[k]) * (CamX - objx[k]) + (CamY - objy[k]) *(CamY - objy[k]) + (CamZ - objz[k]) *(CamZ - objz[k])); angularsize = 180 * Math.atan(objDiameter[k] / dd) / Math.PI; plotsize = 1000 * angularsize * sScaleB * 8.726E-06;// 3.58550596659124E-07 * 16; //Plot only if less than 90 degrees away vector1x = CamX - CtrX; vector1y = CamY - CtrY; vector1z = CamZ - CtrZ; vector2x = CamX - objx[k]; vector2y = CamY - objy[k]; vector2z = CamZ - objz[k]; dot = vector1x * vector2x + vector1y * vector2y + vector1z * vector2z; mag = Math.sqrt(vector1x *vector1x+ vector1y * vector1y+ vector1z *vector1z) * Math.sqrt(vector2x * vector2x + vector2y * vector2y + vector2z * vector2z); if (k == toObjB) { theta = 0; //prevent a /0 error in Acos. } else { ddm = dot / mag; if (ddm &gt; 1) {ddm = 1} theta = 180 * Math.acos(ddm) / Math.PI; } // end if (k == toObjB) if (k == 1) {sunTheta = theta} if (theta &lt; 90) { if (plotsize &lt; minimumObjectSizeB) { plotsize = minimumObjectSizeB; } // end if (plotsize &lt; minimumObjectSizeB) if (((k != fromObjB) || (rfr &gt; 1))) { pContextB.beginPath(); if (lastXb[k] == -999) { pContextB.moveTo(sX, sY) } else { pContextB.moveTo(lastXb[k], lastYb[k]); pContextB.lineTo(sX, sY); } lastXb[k] = sX; lastYb[k] = sY; //pContextB.arc(sX, sY, trailSizeA, 0, 6.3, true); if (objz[k] &gt; 0) { pContextB.strokeStyle = 'rgb(' + objTrailRed[k] + ',' + objTrailGreen[k] + ',' + objTrailBlue[k] + ')'; } else { pContextB.strokeStyle = 'rgb(' + objSubZRed[k] + ',' + objSubZGreen[k] + ',' + objSubZBlue[k] + ')'; } // end if (objz[k] &gt; 0) //pContextB.fill(); if (checkTrailsCA.checked) { pContextB.lineWidth = trailSizeB; } else { pContextB.lineWidth = 0.000001; } pContextB.stroke(); if (k == 1 &amp;&amp; checkSunGraphicB.checked){ pfContextB.drawImage(solImage, sX - 14, sY - 14); } if (checkCrescentsB.checked &amp;&amp; k != 1) { vector1x = objx[k]; vector1y = objy[k]; vector1z = objz[k]; vector2x = objx[k] - objx[fromObjB]; vector2y = objy[k] - objy[fromObjB]; vector2z = objz[k] - objz[fromObjB]; vector1mag = Math.sqrt(vector1x * vector1x+ vector1y * vector1y + vector1z*vector1z); vector2mag = Math.sqrt(vector2x * vector2x+ vector2y * vector2y + vector2z*vector2z); dot = vector1x * vector2x + vector1y * vector2y + vector1z * vector2z ; mag = vector1mag * vector2mag; theta = Math.acos(dot / mag); rise = sY - sunY; run = sX - sunX; phi = Math.atan2(rise, run) - 0.5 * Math.PI; if (sunTheta &gt; 90) {phi = phi - Math.PI} drawCrescentB(k, sX, sY, plotsize, theta, phi); } else { pfContextB.beginPath(); pfContextB.arc(sX, sY, plotsize, 0, 6.3, true); pfContextB.fillStyle = 'rgb(' + objColorRed[k] + ',' + objColorGreen[k] + ',' + objColorBlue[k] +')'; pfContextB.fill(); } // end if(checkCrescentB.checked &amp;&amp; k != 1) if (checkLabelsB.checked) { pfContextB.fillStyle = 'rgb(' + objLabelRed[k] + ',' + objLabelGreen[k] + ',' + objLabelBlue[k] +')'; pfContextB.fillText(objName[k], sX, sY + 20) } } // if (((k != fromObjB) || (rfr &gt; 1))) } // end if (theta &lt; 90) } // next k } // end if (checked) } //end plotPerspectiveB function plotStaticObjectsA() { perspectiveClsA(); pTrailSize = 0.01; var minObjSizePA = 3; rfr = 1; if (parseInt(selectCitiesA.value) == cities + 1 ) { CamX = objx[fromObjA] * rfr; CamY = objy[fromObjA] * rfr; CamZ = objz[fromObjA] * rfr; } else { computeCityOffsetA(); CamX = objx[fromObjA] + dCore * Math.cos(dElta) * Math.cos(aLpha); CamY = objy[fromObjA] + dCore * Math.cos(dElta) * Math.sin(aLpha); CamZ = objz[fromObjA] - dCore * Math.sin(dElta); } CtrX = objx[toObjA]; CtrY = objy[toObjA]; CtrZ = objz[toObjA]; ScrCtrY = pCanvasHeightA / 2; ScrCtrX = pCanvasWidthA / 2; pTrailSize = 0.4; for (k = 1; k &lt;= 1346; k++) { sX = ScreenX(k, KBOx[k], KBOz[k], KBOy[k], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(k, KBOx[k], KBOz[k], KBOy[k], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); pContextA.beginPath(); pContextA.arc(sX, sY, pTrailSize, 0, 6.3, true); pContextA.fillStyle = '#ffffff'; pContextA.fill(); } pTrailSize = 0.2; for (k = 1; k &lt;= 66038; k++) { sX = ScreenX(k, sKBOx[k], sKBOz[k], sKBOy[k], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(k, sKBOx[k], sKBOz[k], sKBOy[k], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); pContextA.beginPath(); pContextA.arc(sX, sY, pTrailSize, 0, 6.3, true); pContextA.fillStyle = '#ffffff'; pContextA.fill(); } } // plotStaticObjectsA function plotStaticObjectsB() { perspectiveClsB(); pTrailSize = 0.01; var minObjSizePB = 3; rfr = 1; if (parseInt(selectCitiesB.value) == cities + 1 ) { CamX = objx[fromObjB] * rfr; CamY = objy[fromObjB] * rfr; CamZ = objz[fromObjB] * rfr; } else { computeCityOffsetB(); CamX = objx[fromObjB] + dCore * Math.cos(dElta) * Math.cos(aLpha); CamY = objy[fromObjB] + dCore * Math.cos(dElta) * Math.sin(aLpha); CamZ = objz[fromObjB] - dCore * Math.sin(dElta); } CtrX = objx[toObjB]; CtrY = objy[toObjB]; CtrZ = objz[toObjB]; ScrCtrY = pCanvasHeightB / 2; ScrCtrX = pCanvasWidthB / 2; pTrailSize = 0.4; for (k = 1; k &lt;= 1346; k++) { sX = ScreenX(k, KBOx[k], KBOz[k], KBOy[k], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleB); sY = ScreenY(k, KBOx[k], KBOz[k], KBOy[k], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleB); pContextB.beginPath(); pContextB.arc(sX, sY, pTrailSize, 0, 6.3, true); pContextB.fillStyle = '#ffffff'; pContextB.fill(); } pTrailSize = 0.2; for (k = 1; k &lt;= 66038; k++) { sX = ScreenX(k, sKBOx[k], sKBOz[k], sKBOy[k], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleB); sY = ScreenY(k, sKBOx[k], sKBOz[k], sKBOy[k], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleB); pContextB.beginPath(); pContextB.arc(sX, sY, pTrailSize, 0, 6.3, true); pContextB.fillStyle = '#ffffff'; pContextB.fill(); } } // plotStaticObjectsB function plotTrailsA() { //perspectiveClsA(); perspectiveTrails2ClsA(); pTrailSize = 0.01; var minObjSizePA = 3; rfr = 1; if (checkStereo.checked) { compute3dCameraPositions(objx[toObjA], objy[toObjA], objz[toObjA], objx[fromObjA], objy[fromObjA], objz[fromObjA], parseInt(txtBaseline.value)); CamX = stereoX1 * rfr; CamY = stereoY1 * rfr; CamZ = objz[fromObjA]; } else { if (parseInt(selectCitiesA.value) == cities + 1 ) { CamX = objx[fromObjA] * rfr; CamY = objy[fromObjA] * rfr; CamZ = objz[fromObjA] * rfr; } else { // cities code computeCityOffsetA(); CamX = objx[fromObjA] + dCore * Math.cos(dElta) * Math.cos(aLpha); CamY = objy[fromObjA] + dCore * Math.cos(dElta) * Math.sin(aLpha); CamZ = objz[fromObjA] - dCore * Math.sin(dElta); } } if (checkBarycenterPerspectiveA.checked) { var xNumerator = objx[toObjA] * objMass[toObjA], yNumerator = objy[toObjA] * objMass[toObjA], zNumerator = objz[toObjA] * objMass[toObjA], Denominator = objMass[toObjA]; for (var k = 1; k &lt;= numberOfSystemElementsA; k++) { xNumerator = xNumerator + objMass[systemElementsA[k]] * objx[systemElementsA[k]]; yNumerator = yNumerator + objMass[systemElementsA[k]] * objy[systemElementsA[k]]; zNumerator = zNumerator + objMass[systemElementsA[k]] * objz[systemElementsA[k]]; Denominator = Denominator + objMass[systemElementsA[k]]; } focusX = xNumerator / Denominator; focusY = yNumerator / Denominator; focusZ = zNumerator / Denominator; } else { focusX = objx[toObjA]; focusY = objy[toObjA]; focusZ = objz[toObjA]; } CtrX = objx[toObjA]; CtrY = objy[toObjA]; CtrZ = objz[toObjA]; ScrCtrY = pCanvasHeightA / 2; ScrCtrX = pCanvasWidthA / 2; //pTrailSize = 1; pTrailSize = Number(txtTrailSizeA.value); if (checkPreTrailsA.checked) { for (j = 1; j &lt;= nPreTrails; j++) { sX = ScreenX(0, trail[j][1][0], trail[j][1][2], trail[j][1][1], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(0, trail[j][1][0], trail[j][1][2], trail[j][1][1], CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); ptContextA.beginPath(); ptContextA.moveTo(sX, sY); var kStep = 4; k = 1 under = sign(trail[j][k][2]); while (trail[j][k][0] != 0 &amp;&amp; trail[j][k][1] != 0 &amp;&amp; trail[j][k][2] != 0) { XX = trail[j][k][0]; YY = trail[j][k][1]; ZZ = trail[j][k][2]; sX = ScreenX(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); ptContextA.lineTo(sX, sY); if (sign(trail[j][k][2]) != under) { if (sign(trail[j][k][2]) == 1) { under = 1; ptContextA.strokeStyle = 'rgb(' + preTrailSubZRed[j] + ',' + preTrailSubZGreen[j] + ',' + preTrailSubZBlue[j] +')'; //ptContextA.strokeStyle = 'rgb(' + preTrailRed[j] + ',' + preTrailGreen[j] + ',' + preTrailBlue[j] +')'; } else { under = -1; ptContextA.strokeStyle = 'rgb(' + preTrailRed[j] + ',' + preTrailGreen[j] + ',' + preTrailBlue[j] +')'; //ptContextA.strokeStyle = 'rgb(' + preTrailSubZRed[j] + ',' + preTrailSubZGreen[j] + ',' + preTrailSubZBlue[j] +')'; } ptContextA.stroke(); ptContextA.beginPath(); ptContextA.moveTo(sX, sY); } k = k + kStep; } dummy = sign(trail[j][k-kStep][2]); dummy2 = trail[j][k-kStep][2]; dummy3 = sign(7); dummy4 = sign(-7); if (sign(trail[j][k-kStep][2]) == 1) { ptContextA.strokeStyle = 'rgb(' + preTrailRed[j] + ',' + preTrailGreen[j] + ',' + preTrailBlue[j] +')'; } else { ptContextA.strokeStyle = 'rgb(' + preTrailSubZRed[j] + ',' + preTrailSubZGreen[j] + ',' + preTrailSubZBlue[j] +')'; } ptContextA.lineWidth = pTrailSize; ptContextA.stroke(); } // next j } //end if (checkPreTrailsA.checked) if (checkAxes.checked) { var D = Math.pow(rangeRotateCameraD.value, 4) / 40000 * AU; ptContextA.strokeStyle = 'rgb(50, 15, 53)'; XX = -D; YY = 0; ZZ = 0; sX = ScreenX(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); XX = 0; YY = 0; ZZ = 0; sX2 = ScreenX(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY2 = ScreenY(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); ptContextA.beginPath(); ptContextA.moveTo(sX, sY); ptContextA.lineTo(sX2, sY2); ptContextA.stroke(); ptContextA.strokeStyle = 'rgb(199, 59, 212)'; XX = 0; YY = 0; ZZ = 0; sX = ScreenX(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); XX = D; YY = 0; ZZ = 0; sX2 = ScreenX(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY2 = ScreenY(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); ptContextA.beginPath(); ptContextA.moveTo(sX, sY); ptContextA.lineTo(sX2, sY2); ptContextA.stroke(); ptContextA.strokeStyle = 'rgb(199, 59, 212)'; XX = 0; YY = 0; ZZ = D; sX = ScreenX(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); XX = 0; YY = 0; ZZ = 0; sX2 = ScreenX(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY2 = ScreenY(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); ptContextA.beginPath(); ptContextA.moveTo(sX, sY); ptContextA.lineTo(sX2, sY2); ptContextA.stroke(); ptContextA.strokeStyle = 'rgb(50, 15, 53)'; XX = 0; YY = 0; ZZ = 0; sX = ScreenX(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY = ScreenY(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); XX = 0; YY = 0; ZZ = -D; sX2 = ScreenX(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); sY2 = ScreenY(0, XX, ZZ, YY, CamX, CamZ, CamY, CtrX, CtrZ, CtrY, ScrCtrX, ScrCtrY, sScaleA); ptContextA.beginPath(); ptContextA.moveTo(sX, sY); ptContextA.lineTo(sX2, sY2); ptContextA.stroke(); } // end if (checkAxes.checked) } //end plotTrailsA function plotTrailsB() { //perspectiveClsB(); perspectiveTrails2ClsB(); pTrailSize = 0.01; var minObjSizePB = 3; rfr = 1; if (chec
