jQuery UI tab : disable Ajax functionality

jQuery UI tab : disable Ajax functionality

I have code like this:
<div id="tabs">
<ul>
<li><a href="app/content1.html">Tab 1</a></li>
<li><a href="app/content2.html">Tab 2</a></li>
</ul>
</div>
It is using ajax functionality,how can i disable ajax functionality
and let page directly navigate to link?
Thanks in advance
--