function showAddress(controlID) 
	{
	  var address  = document.getElementById(controlID).value;
      if (geocoder) {
        geocoder.getLatLng(
          address,
          function(point) {
            if (!point) {
              alert("La dirección: " + address + " no se localiza");
            } else {
		      window.open("mapa.php?point="+point.toUrlValue()+"&address="+address,"Mapa",
			              "width=520, height=320,scrollbars=NO,menubar=NO,resizable=no,status=NO,toolbar=NO,location=NO");
            }
          }
        );
      }
    }