function tracker(trackerurl, trackersite, trackerpage, trackerdata) {
    document.write("<img style='float: left; width: 1px; height: 1px;' src='" + trackerurl + "/site.asp?site=" + trackersite + "&amp;page=" + trackerpage + "&amp;data=" + trackerdata + "&amp;img=no&amp;ref=" + escape(document.referrer) + "' alt='' />");
}