function showMaillist(id) {
    F1=window.open("maillist.jsp?id="+id, "maillist"+id, "width=450,height=550,dependent=yes,location=no,menuebar=no,resizable=yes,status=no,scrollbars=yes,toolbar=no");
  };

  function showPrintGrouplist(id) {
    F1=window.open("print_grouplist.jsp?id="+id, "grouplist"+id, "width=800,height=550,dependent=yes,location=no,menubar=yes,resizable=yes,status=no,scrollbars=yes,toolbar=no");
  };