if (!document.cookie){
 document.cookie = 'referrer=' + escape(document.referrer) +'; path=/; expires=Mon, 31-Dec-2020 00:00:01 GMT';
 document.cookie = 'path=' + escape(location.href) +'; path=/; expires=Mon, 31-Dec-2020 00:00:01 GMT';
}

function regnow(url) {
  url = url+ "&linkid=" + document.cookie;
  location.href= url;
}