function openGallery ( newurl, newheight, newwidth ) {
    var H = parseInt(newheight) + parseInt(30)
    var W = parseInt(newwidth)  + parseInt(20)
    window.open ( newurl,'close','width='+W+',height='+H+',resizable=no,scrollbars=no,status=0,toolbar=no,directories=0,fullscreen=no,left=0,top=0' );
  }