document.observe("dom:loaded", function() {
	gmap_initialize();
});

function gmap_initialize() {
	if (GBrowserIsCompatible()) {
		
		var map_div = document.getElementById("map_canvas");
		
		map_div.style.width = '500px';
		map_div.style.height = '300px';
		map_div.style.marginBottom = '30px';
		
		var map     = new GMap2(map_div);
		var point   = new GLatLng(51.524445,-0.105422);
		
		map.setCenter(point, 16);
		map.setUIToDefault();
		
		var marker = new GMarker(point);
		map.addOverlay(marker);

		var message = "<h3>Serious</h3>51 Kingsway Place, Sans Walk<br />Clerkenwell<br />London EC1R 0LU";
		marker.openInfoWindowHtml(message);
	}
}