var map = null;

function Gload() {
   if (GBrowserIsCompatible()) {
      map = new GMap2(document.getElementById("map"));
      map.addControl(new GLargeMapControl());
      map.addControl(new GMapTypeControl());
      map.setCenter(new GLatLng(47.14, 2.12), 6);

      var point = new GLatLng(43.591886,2.109233);
      var marker = new GMarker(point);
      map.addOverlay(marker);

      var windowHtml = "<img style=\"padding: 1px 0 0 35px;\" src=\"http://www.activpermis.com/design/i/logoactiv.jpg\">";
      GEvent.addListener(marker, "click", function() {
         marker.openInfoWindowHtml(windowHtml);
      });
      marker.openInfoWindowHtml(windowHtml);
   }
}

onload=Gload