function load() {
  if (GBrowserIsCompatible()) {
      var map = new GMap2(document.getElementById("map"));

      map.addControl(new GLargeMapControl());
      map.addControl(new GMapTypeControl());
      map.setCenter(new GLatLng(49.4450, 8.5129), 15);

      var point = new GLatLng(49.4444, 8.5083);
      var marker = new GMarker(point);
      map.addOverlay(marker);

      GEvent.addListener(marker, "click", function() {
          marker.openInfoWindowHtml("PVM Vetterolf GmbH<br />Mundenheimer Strasse 39<br />68199 Mannheim<br />Telefon: 0621-85 31 72<br />eMail: info@pvm.de");
      });

  }
}