function mapload() {
      if (GBrowserIsCompatible()) {
      	var codemap_xml = "../xml/marker.xml";
        var codemap = new GMap2(document.getElementById("codemap"));
        codemap.addControl(new GSmallMapControl());
        codemap.addControl(new GMapTypeControl());
        codemap.setCenter(new GLatLng(52.5237, 13.415), 10);
        
        
        GDownloadUrl(codemap_xml, function(data, responseCode) {
		var codexml = GXml.parse(data);
	  	var codemarkers = codexml.documentElement.getElementsByTagName("marker");
		    for (var i = 0; i < codemarkers.length; i++)
			{
				point = new GLatLng(codemarkers[i].getAttribute("lat"),codemarkers[i].getAttribute("lng"));
				codemap.addOverlay(new GMarker(point));
			}
		});
      }
    }