var mapDiv=document.getElementById('map');var panelDiv=document.getElementById('panel');var om=null;var map=null;var springs;var clusterer;var redIcon=new GIcon(G_DEFAULT_ICON);redIcon.image='http://www.acme.com/resources/images/markers/red.PNG';redIcon.shadow='http://www.acme.com/resources/images/markers/shadow.PNG';redIcon.iconSize=new GSize(20,34);redIcon.shadowSize=new GSize(37,34);redIcon.iconAnchor=new GPoint(9,34);redIcon.infoWindowAnchor=new GPoint(9,2);redIcon.infoShadowAnchor=new GPoint(18,25);function Setup()
{try
{if(!GBrowserIsCompatible())
{mapDiv.innerHTML='Sorry, your browser is not compatible with Google Maps.';return;}
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());clusterer=new Clusterer(map);SavePositionZoomTypeCookieOnChanges(map);if(!GetPositionZoomTypeCookie(map))
map.setCenter(new GLatLng(37.7,-122.4),9);map.setMapType(G_NORMAL_MAP);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 springElements=xmlDoc.getElementsByTagName('spring');springs=[];for(var s=0;s<springElements.length;++s)
{var spring=new Object();spring.state=springElements[s].getAttribute('state');spring.lat=parseFloat(springElements[s].getAttribute('lat'));spring.lng=parseFloat(springElements[s].getAttribute('lng'));spring.location=new GLatLng(spring.lat,spring.lng);spring.name=springElements[s].getAttribute('name');var tempf=springElements[s].getAttribute('tempf');if(tempf=='W'||tempf=='H'||tempf=='B'||tempf=='U')
{spring.tempf=tempf;spring.tempc=tempf;}
else
{spring.tempf=parseInt(tempf);spring.tempc=DegfToDegc(tempf);}
springs.push(spring);}
springs.sort(CompareNames);var panelHtml='<font size="-2">';for(var s=0;s<springs.length;++s)
{var spring=springs[s];var marker=new GMarker(spring.location,{icon:redIcon,title:spring.name});spring.marker=marker;GEvent.addListener(marker,'click',MakeCaller(PopUp,s));clusterer.AddMarker(marker,spring.name);var link='<a href="javascript:PopUp( '+s+' )">';var html=link+'<img border="0" src="http://www.acme.com/resources/images/markers/red_small.PNG"></a> '+link+spring.name+'</a>, '+TempHtml(spring.tempf,spring.tempc)+'<br />';panelHtml+=html;}
panelHtml+='</font>';panelDiv.innerHTML=panelHtml;om.Clear();}
catch(e)
{GLog.write('RequestChecker:\n'+Props(e));}}
function DegfToDegc(tempf)
{var tempc=(tempf-32)*100/180;tempc=tempc.toFixed(0);return tempc;}
function CompareNames(a,b)
{if(a.name<b.name)
return-1;else if(a.name>b.name)
return 1;else
return 0;}
function PopUp(s)
{try
{var spring=springs[s];var html='<table><tbody><tr><td><b>'+spring.name+'</b>, '+spring.state+'</td></tr><tr><td>'+TempHtml(spring.tempf,spring.tempc)+'</td></tr><tr><td><font size="-2">'+(spring.lat>=0.0?'N':'S')+' '+Math.abs(spring.lat)+' '+(spring.lng>=0.0?'E':'W')+' '+Math.abs(spring.lng)+'</font></td></tr></tbody></table>';spring.marker.openInfoWindowHtml(html,{maxWidth:300});}
catch(e)
{GLog.write('PopUp:\n'+Props(e));}}
function TempHtml(tempf,tempc)
{if(tempf=='W')
return'warm';else if(tempf=='H')
return'hot';else if(tempf=='B')
return'boiling';else if(tempf=='U')
return'unknown';else
return tempf+'&deg;F / '+tempc+'&deg;C';}