getScript - How to only call if not already called
<p>on a Click, the following gets loaded:</p>

<pre><code>$.getScript('/javascripts/contacts.js');
</code></pre>

<p>How can I write a statement that says</p>

<p>if the getScript above is already loaded do X,, if not loaded it, do Y...?</p>

<p>Thanks</p>
