addLoadEvent(initialize);
    window.onunload =  GUnload;
   
    function initialize () 
                       {
                        if (GBrowserIsCompatible()) 
                          {
                           var map = new GMap2(document.getElementById("map"));
                           latitude = gevent['latitude'];
                           longitude = gevent['longitude'];
                           var mapcenter = new GLatLng(latitude, longitude);
                           var markerpos = new GLatLng(latitude, longitude);
                           var marker = new GMarker(markerpos);
                           map.setCenter(mapcenter, 12);
                           map.addControl(new GLargeMapControl());
                           map.addControl(new GMapTypeControl());
                           //link = "http://maps.google.de/maps?daddr=Flughafenstra%C3%9Fe+50,+70629+Stuttgart+(M%C3%B6venpick+Hotel+Stuttgart+Airport)&ie=UTF8&z=11";
                           GEvent.addListener(marker, "click", function () 
                                                                       {
                                                                        var html = gevent['html'];
                                                                        marker.openInfoWindowHtml(html);
                                                                       });
                         map.addOverlay(marker);
                        }
                       }