function opn_win(URL,W,H) {
var win;
win = window.open(URL, 'info', 'toolbar=no,location=no,directoryies=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width='+W+',height='+H);
}
function opn_mapwin(URL,W,H) {
var win;
win = window.open(URL, 'map', 'toolbar=no,location=no,directoryies=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width='+W+',height='+H);
}
function opn_calcwin(URL, W, H) {
    var win;
    win = window.open(URL, 'calculation', 'toolbar=no,location=no,directoryies=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=' + W + ',height=' + H);
}
function opn_parentwin(URL) {
    if (!window.opener || window.opener.closed) {
        window.open(URL, "mainWin");
    }
    else {
        window.opener.document.location.href = URL;
        window.opener.focus();
    }
}