Event.observe(window, 'load', function() { 
										   
		load_map()								   
	});
    function load_map() {
      if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map"));
        map.setCenter(new GLatLng(51.518464,-0.141256), 13);
		var point = new GLatLng(51.518464,-0.141256);
   		map.addOverlay(new GMarker(point));
	
      }
    }