//	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.


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|jpg|png|svg|xls|ppt|pdf|xls|zip|txt|vsd|vxd|js|css|rar|exe|wma|mov|avi|wmv|mp3)($|&)/); 
				
				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]);
}