$(document).ready(function(){
   $('a[href$=".pdf"]').click(function() {
	
	var thehref = $(this).attr('href');
	var docparts = thehref.split('/');
	var filename = docparts[docparts.length-1];
	
	var theurl = document.location.href;
	var urlparts = theurl.split('http://www.hitachi-da.com/');
	var urlname = urlparts[urlparts.length-1];
	
	var trackThisURL = '/' + urlname + '?pdf=' + filename;
	
	_gaq.push(['_trackPageview', trackThisURL]);
	
   });
 });