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='' />");
}

function targetBlank(url, name) {
    var w = window.open(url, name, "", true);
    return false;
}

function setOpacity(element, opacity) {

    var elementStyle = element.style;

    elementStyle.opacity = (opacity / 100);
    elementStyle.MozOpacity = (opacity / 100);
    elementStyle.KhtmlOpacity = (opacity / 100);
    elementStyle.filter = "alpha(opacity=" + opacity + ")";
}