// JScript File
    var newWin;
    function OpenWindow(url, winname, w, h) {
      windowleft = (screen.width - w) / 2;
      windowtop = (screen.height - h) / 2;
      settings = '"target=_blank, toolbar=no,directories=no,menubar=no,scrollbars=yes,resizable=yes,status=no,width=' + w + ',height=' + h + ',left=' + windowleft + ',top=' + windowtop + '"';
      closeWindow();
      newWin = window.open(url, winname, settings);
      newWin.focus();
    }
    function closeWindow() {
      if (newWin && !newWin.closed) {
        newWin.close();
      }
    }