function popUp() {
url="welcome/privacy.htm";
message="We have detected that you are using popup blocking software.\nIn order to use our system you will need to allow popups on our website.";
var w = window.open(url,"",'toolbar=no,location=no,directories=no,status=no,scrollbars=yes,menubar=no,resizable=no,width=640,height=480');
if (!w) alert(message)
}