function initialize() {
      if (GBrowserIsCompatible()) {
     	var map = new GMap2(document.getElementById("map_canvas"));
     	map.setCenter(new GLatLng(49.000042, 12.061315), 13);
       
	map.addControl(new GMapTypeControl());
	map.addControl(new GOverviewMapControl());
	map.addControl(new GSmallMapControl());


	//Marker
  	var point = new GLatLng(49.000042, 12.061315);
	bueromarker = new GMarker(point);		

	GEvent.addListener(bueromarker, "click", function() {
   		bueromarker.openInfoWindowHtml("<div style='font-family:sans-serif; color:#D00000; background-color:#D1D1D1; border:1px dashed silver; padding:10px;'><b>Veloclub Ratisbona</b><br>Clubhaus<br>Ziegetsdorfer Str. 46a</div>");
  	 });
	map.addOverlay(bueromarker);
	
	      }
    }