function toggle_map( info_id, lat, lon, zoom ){

   var element = $( "infoblock_map_" + info_id );

   if ( element.style.display == "none" ){
      blindDown( element, { afterFinish: function(){
            logDebug( "Loading Map" );
            var map_obj = new google_map( "infoblock_map_" + info_id, false );
            gmap = map_obj.getMap();

            var pt = new GLatLng(lat, lon);
            gmap.setCenter(pt, zoom);
            marker = new GMarker( pt );
            gmap.addOverlay(marker);
            } } );
   } else {
      blindUp(element);
   }


}