Javascript gaJsHost
<p>i just want to know the use of this script.. </p>

<pre><code> var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");

 document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
</code></pre>

<p>i found this on some websites.. :)</p>

<p>and also this one..</p>

<pre><code> var pageTracker = _gat._getTracker("UA-1965499-1");

 pageTracker._initData();

 pageTracker._trackPageview();
</code></pre>
