function OpenItem(n, x, y)
{
  var pw = x + 40;
  var ph = y + 40;
  var px = Math.round((screen.width  - pw) / 2);
  var py = Math.round((screen.height - ph) / 2);
  var opts =
    'status=yes,menubar=no,toolbar=no' +
    ',resizable=yes,scrollbars=yes,location=no' +
    ',width='  + pw +
    ',height=' + ph +
    ',left='   + px +
    ',top='    + py;
  var url = "/album/";
  var w = window.open(url + "item.cgi?n=" + n, "p" + n, opts);
  w.focus();
  return false;
}