function initialize() {
  if (GBrowserIsCompatible()) {
    var glatOR = 50.901387;
    var glongOR = 0.569144;

    var map = new GMap2(document.getElementById("map_canvas"));

    map.setCenter(new GLatLng(50.901387,0.569144), 13);
    map.setUIToDefault();
    
    var point = new GLatLng(glatOR, glongOR);
    var icon = new GIcon(G_DEFAULT_ICON,'site/img/marker_olde.png');
    map.addOverlay(new GMarker(point, icon));
    
  }
}