goLogin = function(tURL) {
    var w = 416;
    var h = 300;
    var sw;
    var sh;
    sw = (screen.Width - w) / 2;
    sh = (screen.Height - h) / 2;
    //    window.open(url, t, 'Width=' + w + 'px, Height=' + h + 'px, Left=' + sw + ', Top=' + sh);

    window.open('/_Menu/Member/loginpop.asp?TargetURL=' + tURL, 'plogin', 'width=' + w + 'px,height=' + h + ',left=' + sw + ',top= ' + sh + ',resizable=no');
}