//http://www.webreference.com/programming/javascript/onloads/
function addLoadEvent(func) {
    var oldonload = window.onload;
    if (typeof window.onload != 'function') {
        window.onload = func;
    } else {
        window.onload = function() {
            if (oldonload) {
                oldonload();
            }
            func();
        };
    }
}
function initTagLinks() {
    var hrefs = document.getElementsByTagName("a");
    var link_path = "";
    for (var l = 0; l < hrefs.length; l++) {
        try {
            var link_path = hrefs[l].pathname; var link_location = String(hrefs[l]); if (link_location.match(/^mailto:/i)) { addmailtotrackerlistener(hrefs[l]); } else if (location.host == hrefs[l].hostname) { if (link_path.match(/\.(doc|pdf|xls|ppt|zip|txt|vsd|vxd|js|css|rar|exe|wma|mov|avi|wmv|mp3)$/)) { addtrackerlistener(hrefs[l]); } } else
            { addtrackerlistener(hrefs[l]); }
        } catch (err) { }
    }
}
function addtrackerlistener(obj) {
    if (obj.addEventListener) {
        obj.addEventListener('click', trackfiles, true);
    } else if (obj.attachEvent) {
        obj.attachEvent("on" + 'click', trackfiles);
    }
}
function addmailtotrackerlistener(obj) {
    if (obj.addEventListener) {
        obj.addEventListener('click', trackmailto, true);
    } else if (obj.attachEvent) {
        obj.attachEvent("on" + 'click', trackmailto);
    }
}
function trackfiles(array_element) {
    var file_path = "";
    var destination_host = (array_element.srcElement) ? array_element.srcElement.hostname : this.hostname;
    if (location.host != destination_host) {
        file_path = "/virtual/exlink/" + cleanURL(window.location, true) + '/' + ((array_element.srcElement) ? array_element.srcElement.hostname : this.hostname);
        file_path = file_path + ((array_element.srcElement) ? "/" + cleanURL(array_element.srcElement.pathname, false) : this.pathname);
    } else {
        file_path = ((array_element.srcElement) ? "/" + array_element.srcElement.pathname : this.pathname);
        var file_details = file_path.split('/');
        file_path = cleanURL(window.location, true) + '/' + file_details[(file_details.length - 1)];
        file_path = (("") + file_path);
    }
    pageTracker._trackPageview(file_path);
}
function trackmailto(array_element) {
    var email = ((array_element.srcElement) ? array_element.srcElement.href : this.href).substring(7); var url = cleanURL(window.location, true); var mail_path = '/virtual/mailto/' + url + '/' + email; pageTracker._trackPageview(mail_path);
}
function cleanURL(url, end) {
    var url = url.toString();
    var urlLen = url.length;
    if (end) {
        if (url.charAt((urlLen - 1)) == '/') url = url.substring(0, (urlLen - 1));
    } else {
        if (url.charAt(0) == '/') url = url.substring(1, urlLen);
    }
    return url;
}

addLoadEvent(initTagLinks);