diff --git a/_includes/headerbottom.html b/_includes/headerbottom.html
index 52a046fcf..34664f6f0 100644
--- a/_includes/headerbottom.html
+++ b/_includes/headerbottom.html
@@ -11,7 +11,18 @@
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
-
+ var f = function(event){
+ _gaq.push(['_trackEvent','Downloads','Download',$(this).attr('href')]);
+ };
+ function endsWith(str, suffix) {
+ return str.indexOf(suffix, str.length - suffix.length) !== -1;
+ }
+ $(function(){
+ $('a').filter(function(){
+ var href = $(this).attr('href');
+ return !endsWith(href,'/') && !endsWith(href,'html');
+ }).on('click',f);
+ });
\ No newline at end of file