var hrefs=document.getElementsByTagName("a");
var link_path="";
for(var l=0;l<hrefs.length;l++){
try{
var link_path=hrefs[l].pathname;
if(location.host==hrefs[l].hostname){
if(link_path.match(/\.(doc|pdf|xls|ppt|zip|txt|vsd|vxd|js|css|rar|exe|wma|mov|avi|wmv|mp3)$/)){
addtrackerlistener(hrefs[l]);}}else{
addtrackerlistener(hrefs[l]);}}
catch(err){}}
function addtrackerlistener(obj){
if(obj.addEventListener){
obj.addEventListener('click',trackfiles,true);}else if(obj.attachEvent){
obj.attachEvent("on"+'click',trackfiles);}}
function trackfiles(array_element){
file_path="";
if(location.host!=this.hostname){
file_path="/exlinks/"+((array_element.srcElement)?"/"+ array_element.srcElement.hostname:this.hostname);}
file_path=file_path +((array_element.srcElement)?"/"+ array_element.srcElement.pathname:this.pathname);
pageTracker._trackPageview(file_path);}