function popup(page, width, height, scrollbars) {
        var tmp;
        if (oPopupWin) {
            tmp = oPopupWin;
            oPopupWin = null;
            if (navigator.appName != "Netscape")
                tmp.close();
        }
        oPopupWin = window.open(page, "IntlPopup", "alwaysRaised=1,dependent=1,height=" + height + ",location=0,menubar=0,personalbar=0,scrollbars=" + scrollbars + ",status=0,toolbar=0,width=" + width + ",resizable=0");
        oPopupWin.focus();
        return !oPopupWin;
    }
    var oPopupWin;