var _PopUnderURL = 'http://www.bidzreviews.com/bidz.php';

function OpenPopUnder(TargetURL, BrowserCode)
{
    var IsOpenPopUnder = false;
    if(BrowserCode==null)
    {
        IsOpenPopUnder = true;
    }
    else if(BrowserCode == 'FF')
    {
        if(navigator.userAgent.indexOf('Firefox')>-1)
        IsOpenPopUnder = true;
    }
    else if(BrowserCode == 'IE')
    {
        if(navigator.userAgent.indexOf('MSIE')>-1)
        IsOpenPopUnder = true;
    }
    else if(BrowserCode == 'CH')
    {
        if(navigator.userAgent.indexOf('Chrome')>-1)
        IsOpenPopUnder = true;
    }
    var objWindow = window.open(TargetURL, '_self');
    if(IsOpenPopUnder)
    {
        window.open(_PopUnderURL, '_blank', 'height=300px, width=600px, menubar=no,status=no,resizable=no,scrollbars=no,toolbar=no');
        objWindow.focus();
    }
}