function popupform(myform, windowname)
                                {
                                if (! window.focus)return true;
                                window.open('', windowname, 'height=640,width=870,scrollbars=no');
                                myform.target=windowname;
                                return true;
                                }

function setjs() {
        if (navigator.product == 'Gecko') {
                document.forms[3]["interface"].value = 'mozilla';
        } else if (navigator.appName == 'Microsoft Internet Explorer' && navigator.userAgent.indexOf("Mac_PowerPC") > 0) {
                document.forms[3]["interface"].value = 'konqueror';
        } else if (navigator.appName == 'Microsoft Internet Explorer' && document.getElementById && document.getElementById('loginform').innerHTML) {
                document.forms[3]["interface"].value = 'ie';
        } else if (navigator.appName == 'Konqueror') {
                document.forms[3]["interface"].value = 'konqueror';
        } else if(window.opera) {
                document.forms[3]["interface"].value = 'opera';
        }
}