function load() {

       if (GBrowserIsCompatible()) {
         var map = new GMap2(document.getElementById("map"));
         map.addControl(new GSmallMapControl());
         map.addControl(new GMapTypeControl());
         map.setCenter(new GLatLng(50.064192, 0.74707), 4);

     function creerMarker(point, onglet1) {
       var marker = new GMarker(point);
       var infoTabs = [
         new GInfoWindowTab("Infos", onglet1)
 
         ];
       GEvent.addListener(marker, "click", function() {
         marker.openInfoWindowTabsHtml(infoTabs);
         });
       return marker;
       }
  
         GDownloadUrl("donnees.xml", function(data) {
           var xml = GXml.parse(data);
           var markers = xml.documentElement.getElementsByTagName("marker");
           for (var i = 0; i < markers.length; i++) {
             var point = new GLatLng(parseFloat(markers[i].getAttribute("lat")), parseFloat(markers[i].getAttribute("lng")), 9);
             var marker = creerMarker(point, "<font color=black>" + markers[i].getAttribute("info") + "<br>" + markers[i].getAttribute("details") + "</font>" + "<br><a style=\"color:black;\" href=\"#" + markers[i].getAttribute("ancre") + "\">Cliquez ici pour voir la fiche complete</a>" );
             map.addOverlay(marker);
           }
         });
       }
     }