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(50.35685,7.59209), 15);

  var marker = new GMarker(map.getCenter());
  GEvent.addListener(marker, "click", function() {
    marker.openInfoWindowHtml("<b>Dumslaff &amp; Partner</b><br/>L&ouml;hrstr 87b<br/>56068 Koblenz");
  });
  map.addOverlay(marker);
  marker.openInfoWindowHtml("<b>Dumslaff &amp; Partner</b><br/>L&ouml;hrstr 87b<br/>56068 Koblenz");    
  }
}