// This javascript tags file downloads and external links in Google Analytics.
// You need to be using the Google Analytics New Tracking Code (ga.js)
// for this script to work.
// To use, place this file on all pages just above the Google Analytics tracking code.
// All outbound links and links to non-html files should now be automatically tracked.
//
// This script has been provided by Goodwebpractices.com
// Thanks to ShoreTel, MerryMan and Colm McBarron
//
// www.goodwebpractices.com
// VKI has made changes as indicated below.

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].hostname == location.host) {
var path = hrefs[l].pathname + hrefs[l].search;
var isDoc = path.match(/\.(?:doc|dot|docx|dotx|eps|jpg|png|svg|xls|xlt|xlsx|xlst|ppt|pps|pptx|ppsx|pot|potx|pdf|xls|zip|txt|vsd|vxd|js|css|rar|exe|wma|mov|avi|wmv|mpg|mpeg|mp3)($|\&|\?)/i);
if (isDoc) {
startListening(hrefs[l], "click", trackExternalLinks);
}
}
else {
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);
if (typeof (secondTracker) == "object") secondTracker._trackPageview(mailto);
if (typeof (pageTracker) == "object") pageTracker._trackPageview(mailto);
}

function trackExternalLinks(evnt) {
var e = (evnt.srcElement) ? evnt.srcElement : this;
while (e.tagName != "A") {
e = e.parentNode;
}
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;
if (typeof (secondTracker) == "object") secondTracker._trackPageview(lnk);
if (typeof (pageTracker) == "object") pageTracker._trackPageview(lnk);
}