diff --git a/_includes/header.html b/_includes/header.html
index c1417e7..bfc92d0 100644
--- a/_includes/header.html
+++ b/_includes/header.html
@@ -34,7 +34,14 @@
var _gaq = _gaq || [];
_gaq.push(['_setAccount', '{{ site.analytics }}']);
_gaq.push(['_trackPageview']);
- window.onload = function() {
+
+ (function() {
+ var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
+ 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);
+ })();
+
+ window.onload = function() {
var headers = ['{{ site.headers | join:"', '" }}'];
var header = headers[Math.floor(Math.random() * headers.length)];
document.getElementById('masthead').style.backgroundImage = "url('/asset/header/" + header + ".jpg')";