function logOutFromPaypal()
{
    var Pixel = new Element('img', {src:"https://www.paypal.com/webapps/auth/logout", width:"1px", height:"1px"});
    url = $('paypalout').readAttribute('href');
    setTimeout(function(){ document.body.appendChild(Pixel);location.href = url},2000);
    return false;
}

function payPalPopUp(url)
{
    if (!url) {
        url = $('topPayPalIn').readAttribute('href');
    }
    mywindow = window.open (url, "_PPIdentityWindow_", "location=1, status=0, scrollbars=0, width=400, height=550");
    return false;
}