//	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
//

if (document.getElementsByTagName) { 
	// Initialize external link handlers 
	var hrefs = document.getElementsByTagName("a"); 
	for (var l = 0; l < hrefs.length; l++) { 
		//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|eps|exe|jpg|pdf|png|ppt|svg|vsd|xls|zip)($|\&)/); 
			if (isDoc) { 
				startListening(hrefs[l],"click",trackExternalLinks); 
			} 
		} else { 
			startListening(hrefs[l],"click",trackExternalLinks); 
		} 
	} 
} 
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);
}