// Script para trackear descargas (visualizaciones) de documentos .pdf 

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|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); 
				} 
			} 
		} 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) { 
		return false; 
		lnk = "/external/" + e.hostname + lnk; 
	} 
	if (typeof(pageTracker) == "object") pageTracker._trackPageview(lnk); 
}