function load() {
  if (GBrowserIsCompatible()) {
  var map = new GMap2(document.getElementById("map"));
  
  map.enableScrollWheelZoom();
  map.addControl(new GLargeMapControl());
  map.addControl(new GMapTypeControl());
  map.setCenter(new GLatLng(50.464074,9.282414), 9);
  var geoXml = new GGeoXml("http://www.vulkanradweg.de/fileadmin/user_upload/gps/vulkanradweg1.kml");
      map.addOverlay(geoXml);         
  }
}