var docIdentifier  = '/FileDownloads';


  
function listenToClicks() 
{ 

	var fileTypes  = [".pdf", ".doc",  ".xls",  ".ppt", ".vsd", ".vxd", ".zip", ".rar", ".txt", ".exe", ".wma", ".mov", ".avi", ".wmv", ".mp3"];
    
	if (document.getElementsByTagName) 
	{
		var aTags = document.getElementsByTagName('a'); 

    
		ANCHOR:

		for (var i = 0; i < aTags.length; i++) 
		{ 
			if (aTags[i]=="")                                         
			{
				continue ANCHOR; 
			}
      			if (typeof aTags[i].hostname == "undefined")              
			{
				continue ANCHOR; 
			}
      			if (aTags[i].protocol.indexOf("javascript") != -1)       
			{	
				continue ANCHOR; 
			}   
      			if (aTags[i].hostname.indexOf(window.location.href) )
			{
       
        			FILE:
			        // look for a file extension

			        for (k = 0; k < fileTypes.length; k++)
				{
			        	if (aTags[i].pathname.indexOf(fileTypes[k]) != -1) 
					{
            					startListening(aTags[i],"click",trackDocuments);  
						continue ANCHOR; 
					} // file extension was found, go to next anchor
        			}
			} 

		}    
	}
}


function startListening (obj,evnt,func) { 
  if (obj.addEventListener) { 
    obj.addEventListener(evnt,func,false);
  } else if (obj.attachEvent) { 
    obj.attachEvent("on" + evnt,func);
  }
}



// trackDocuments:  calls _trackPageview before downloading a file
function trackDocuments (evnt) { 

  var url = (evnt.srcElement) ? "/" + evnt.srcElement.pathname : this.pathname; 
  url = docIdentifier + url;  
  //urchinTracker (url);
  pageTracker._trackPageview(url);
  
//  if (typeof(benchmarkTracker) == "object") {
//	  benchmarkTracker._trackPageview(url);
//  }
//  if (typeof(overallTracker) == "object") {
//	  overallTracker._trackPageview(url);
//  }
}

startListening(window, 'load', listenToClicks); // register an event listener to run the script when the load event fires.