In my neverending quest to optimize everything I see, here is how I would handle urls:<p><pre><code> http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.js</code></pre>
to<p><pre><code> http://api.google.com/jquery142.js
</code></pre>
and<p><pre><code> http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.1/jquery-ui.min.js
</code></pre>
to<p><pre><code> http://api.google.com/jqueryui181m.js
</code></pre>
Less prone to errors, easier to remember.