function loadGMap(lon, lat, info_adicional) {
   if (GBrowserIsCompatible()) {
     var map = new GMap2(document.getElementById("cuadro_gmap"));
     map.setCenter(new GLatLng(lat, lon), 14);
     map.addControl(new GLargeMapControl());
     map.addControl(new GOverviewMapControl());
     map.addControl(new GMapTypeControl());
     var icon = new GIcon();

     marker = new GMarker(new GLatLng(lat, lon));
     map.setMapType(G_SATELLITE_MAP);

     /*
     GEvent.addListener(marker, "click", function(){
     marker.openInfoWindowHtml(info_adicional)});
     */

     map.addOverlay(marker);

   }
}