function popUpOpen() {
    var addr='https://www.arpanet.co.jp/cgi/pp.html';
    if (document.layers) { addr='NewWindow-Dummy.html'; }
    window.open(addr,"PopUp","width=600,height=700,toolbar=1,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=1");
    return;
}