function photo(url,w,h) {
  okno = null;
  config = "width=" + w + ",height=" + h
  + ",toolbar=no,location=no,directories=no,"
  + "status=no,menubar=no,"
  + "scrollbars=no,resizable=no,";

  okno = window.open(url,'',config);
  okno.focus();
  }