var map;
function tracks_init(mapId,lat,lng,zoom) {
	if(GBrowserIsCompatible()) {
		map=new GMap2(myGetElementById(mapId));
		map.addControl(new GLargeMapControl());
		map.addControl(new GMapTypeControl());
 		map.setCenter(new GLatLng(lat,lng),zoom);
 		map.addControl(new GOverviewMapControl());
	}
  	else
 		alert("Sorry, the Google Maps API is not compatible with this browser");
}

function tracks_load() {
	url=document.location.href.substring(0,document.location.href.indexOf('/',7))+'/index.php';
	request={'url': url,'ajax': 'tracks_load'};
	data={};
	sendRequest(request,data);
}