function GMapsLoad(latitude, longitude)
{
	if (GBrowserIsCompatible()) {
		var map = new GMap2(document.getElementById("map"));
		map.addControl(new GSmallMapControl());
		map.addControl(new GMapTypeControl());
		map.setCenter(new GLatLng(latitude, longitude), 3);
		
		// Download the data in data.xml and load it on the map. The format we
		// expect is:
		// <markers>
		//   <marker lat="37.441" lng="-122.141"/>
		//   <marker lat="37.322" lng="-121.213"/>
		// </markers>
		GDownloadUrl("xml.php?type=xml", function(data, responseCode) {
			var xml = GXml.parse(data);
			var markers = xml.documentElement.getElementsByTagName("marker");
			var path = [];
			for (var i = 0; i < markers.length; i++) {
				var point = new GLatLng(parseFloat(markers[i].getAttribute("lat")), parseFloat(markers[i].getAttribute("lng")));
				path.push(point);
				map.addOverlay(new GMarker(point));
			}
			map.addOverlay(new GPolyline(path));
		});
	}
}