function open_window1() {
  win = window.open('cgi-bin/schedule.cgi', 'schedule', 'width=800,scrollbars=yes,resizable=yes');
  win.focus();
}
function open_window2() {
  win = window.open('schedule.cgi', 'schedule', 'width=800,scrollbars=yes,resizable=yes');
  win.focus();
}