var mapDiv=document.getElementById('map');;var instructionsDiv=document.getElementById('instructions');var params,map,om;var boats,markers;var colors=['ff0000','00ff00','0000ff','ffff00','ff00ff','00ffff','990000','009900','000099','999900','990099','009999','99ffff','ff99ff','ffff99','9999ff','99ff99','ff9999','ff9900','ff0099','00ff99','99ff00','9900ff','0099ff','000000','ffffff','999999',];var nColors=colors.length;var baseIcon=new GIcon();baseIcon.iconSize=new GSize(19,19);baseIcon.iconAnchor=new GPoint(9,9);baseIcon.infoWindowAnchor=new GPoint(7,7);function Setup()
{try
{if(!GBrowserIsCompatible())
{mapDiv.innerHTML='Sorry, your browser is not compatible with Google Maps.';return;}
SetLanguage(LANG_ENGLISH);instructionsDiv.innerHTML='<font size="-1">'+_mInstructions+'</font>';params=GetParameters();if(!params['class'])
params['class']='all';if(!params.days)
params.days='last5';om=new OverlayMessage(mapDiv);map=new GMap2(mapDiv,{draggableCursor:'default'});map.addControl(new GLargeMapControl());map.addMapType(WMS_TOPO_MAP);map.addMapType(WMS_DOQ_MAP);map.addControl(new GMapTypeControl());map.addControl(new GScaleControl());map.setCenter(new GLatLng(31,-138),4);om.Set('Loading...');HttpGet('data.xml',RequestChecker);}
catch(e)
{GLog.write('Setup:\n'+Props(e));}}
function RequestChecker(request)
{try
{var xmlDoc=request.responseXML.documentElement;var clasElements=xmlDoc.getElementsByTagName('class');clasNames=[];for(var i=0;i<clasElements.length;++i)
{var clas=clasElements[i].getAttribute('class');var name=clasElements[i].getAttribute('name');clasNames[clas]=name;}
var nLastDays,lastDay;if(params.days=='all')
nLastDays=-1;else
{if(params.days=='last15')
nLastDays=15;else if(params.days=='last10')
nLastDays=10;else if(params.days=='last7')
nLastDays=7;else if(params.days=='last5')
nLastDays=5;else if(params.days=='last4')
nLastDays=4;else if(params.days=='last3')
nLastDays=3;else if(params.days=='last2')
nLastDays=2;else if(params.days=='last')
nLastDays=1;else
nLastDays=0;var positionElements=xmlDoc.getElementsByTagName('position');lastDay=-1;for(var i=0;i<positionElements.length;++i)
{var day=positionElements[i].getAttribute('day');if(day>lastDay)
lastDay=day;}}
boats=[];markers=[];var nPositions=0;var wLat=0,wLng=0;var boatElements=xmlDoc.getElementsByTagName('boat');for(var i=0;i<boatElements.length;++i)
{var boat=new Object();boat.clas=boatElements[i].getAttribute('class');if(params['class']=='all'||boat.clas==params['class'])
{var color=colors[i%nColors];boat.id=boatElements[i].getAttribute('id');boat.name=boatElements[i].getAttribute('name');boat.type=boatElements[i].getAttribute('type');boat.owner=boatElements[i].getAttribute('owner');boat.from=boatElements[i].getAttribute('from');var boatNum=boats.length;boats.push(boat);positionElements=boatElements[i].getElementsByTagName('position');var points=[];for(var j=0;j<positionElements.length;++j)
{var day=positionElements[j].getAttribute('day');if(nLastDays==-1||lastDay-day+1<=nLastDays)
{var lat=parseFloat(positionElements[j].getAttribute('lat'));var lng=parseFloat(positionElements[j].getAttribute('lng'));var point=new GLatLng(lat,lng);if(points.length>0&&lat==points[points.length-1].lat()&&lng==points[points.length-1].lng())
continue;var marker=new GMarker(point,{icon:MakeIcon(day,color),title:boat.name});marker.lat=lat;marker.lng=lng;marker.day=day;marker.dst2go=positionElements[j].getAttribute('dst2go');marker.cortime=positionElements[j].getAttribute('cortime');marker.stdcl=positionElements[j].getAttribute('stdcl');marker.stdfl=positionElements[j].getAttribute('stdfl');marker.eta=positionElements[j].getAttribute('eta');marker.boatNum=boatNum;GEvent.addListener(marker,'click',MakeCaller(PopUp,nPositions));map.addOverlay(marker);markers.push(marker);++nPositions;points.push(point);if((boat.id!='AE'||params['class']=='A')&&lng<wLng)
{wLat=lat;wLng=lng;}}}
if(points.length>=2)
map.addOverlay(new GPolyline(points,'#'+color));}}
map.setCenter(new GLatLng(wLat,wLng),5);var daysSelect=document.getElementById('days');if(params.days=='all')
daysSelect.selectedIndex=0;else if(params.days=='last15')
daysSelect.selectedIndex=1;else if(params.days=='last10')
daysSelect.selectedIndex=2;else if(params.days=='last7')
daysSelect.selectedIndex=3;else if(params.days=='last5')
daysSelect.selectedIndex=4;else if(params.days=='last4')
daysSelect.selectedIndex=5;else if(params.days=='last3')
daysSelect.selectedIndex=6;else if(params.days=='last2')
daysSelect.selectedIndex=7;else if(params.days=='last')
daysSelect.selectedIndex=8;var clasSelect=document.getElementById('class');clasSelect[0].selected=true;var n=1;for(var clas in clasNames)
{if(clas!='clear')
{clasSelect[n]=new Option(clasNames[clas],clas);if(params['class']==clas)
clasSelect[n].selected=true;++n;}}
om.Clear();}
catch(e)
{GLog.write('RequestChecker:\n'+Props(e));}}
function MakeIcon(day,bgcolor)
{var icon=new GIcon(baseIcon);icon.image='icons/'+day+'_'+bgcolor+'.png';return icon;}
function PopUp(i)
{try
{var boatNum=markers[i].boatNum;var html='<table border="0"><tr><td><img width="45" height="42" src="boat.jpg"></td><td align="left"><b>'+boats[boatNum].name+'</b>, July '+markers[i].day+':<br /> N '+markers[i].lat+'  W '+(-markers[i].lng)+'</td></tr><tr><td colspan="2">'+markers[i].dst2go+' miles to go<br>Time: '+markers[i].cortime+', ETA: '+markers[i].eta+'<br>#'+markers[i].stdcl+' in class ('+clasNames[boats[boatNum].clas]+'), #'+markers[i].stdfl+' in fleet<br><font size="-2">'+boats[boatNum].type+' out of '+boats[boatNum].from+'<br>Owned/skippered by '+boats[boatNum].owner+'</font></td></tr></table>';markers[i].openInfoWindowHtml(html,{maxWidth:300});}
catch(e)
{GLog.write('PopUp:\n'+Props(e));}}