Tree View Checkbox Expand collapse
<p>Am trying to add expand collapse effect , but its not working :(</p>

<pre><code>Here is my fiddle 
</code></pre>

<p><a href="http://jsfiddle.net/Pervez/udc8f/6/" rel="nofollow">http://jsfiddle.net/Pervez/udc8f/6/</a> </p>

<p>EDIT:</p>

<p>I also want to place these 'li' side by side in two column </p>
