if (document.getElementsByTagName) {
    // Initialize external link handlers 
    var hrefs = document.getElementsByTagName("a");
    for (var l = 0; l < hrefs.length; l++) {
        // try {} catch{} block added by erikvold VKI 
        try {
            //protocol, host, hostname, port, pathname, search, hash 
            if (hrefs[l].protocol == "mailto:") {
                startListening(hrefs[l], "click", trackMailto);
            } else if (hrefs[l].protocol == "tel:") {
                startListening(hrefs[l], "click", trackTelto);
            } else if (hrefs[l].hostname == location.host) {
                var path = hrefs[l].pathname + hrefs[l].search;
                var isDoc = path.match(/\.(?:doc|eps|svg|xls|ppt|pdf|xls|zip|txt|vsd|vxd|js|css|rar|exe|wma|mov|avi|wmv|mp3)($|&)/i);
                if (isDoc) {
                    startListening(hrefs[l], "click", trackExternalLinks);
                }
            } else if (!hrefs[l].href.match(/^[removed]/)) {
                startListening(hrefs[l], "click", trackExternalLinks);
            }
        } catch (e) {
            continue;
        }
    }
}

function startListening(obj, evnt, func) {
    if (obj.addEventListener) {
        obj.addEventListener(evnt, func, false);
    } else if (obj.attachEvent) {
        obj.attachEvent("on" + evnt, func);
    }
}

function trackMailto(evnt) {
    var href = (evnt.srcElement) ? evnt.srcElement.href : this.href;
    var mailto = "/mailto/" + href.substring(7);
    _gaq.push(['_trackPageview', mailto]);
}

function trackTelto(evnt) {
    var href = (evnt.srcElement) ? evnt.srcElement.href : this.href;
    var telto = "/telto/" + href.substring(4);
    _gaq.push(['_trackPageview', telto]);
}

function trackExternalLinks(evnt) {
    var e = (evnt.srcElement) ? evnt.srcElement : this;
    while (e.tagName != "A") {
        e = e[removed];
    }
    var lnk = (e.pathname.charAt(0) == "/") ? e.pathname : "/" + e.pathname;
    if (e.search && e.pathname.indexOf(e.search) == -1) lnk += e.search;
    if (e.hostname != location.host) lnk = "/external/" + e.hostname + lnk;
    _gaq.push(['_trackPageview', lnk]);

}