// 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].attributes["target"]!=null && hrefs[l].attributes["target"].value=="_blank")
                 {     
		              var path = hrefs[l].pathname;
                      if(!path.match(/^\__doPostBack/)){                   
                        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(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(pageTracker) == "object") pageTracker._trackPageview(lnk); 
}