Google Analytics javascript
<p>Here is a Google Analytics' code</p>

<pre><code>var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-20366831-2']);
_gaq.push(['_trackPageview']);

(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);
})();
</code></pre>

<p>How my client side calls Google anonymous function? </p>
