title: NSXMLParser Parsing Attributes
body: <p>How do you extract attributes from XML using NSXML parser??</p>
  
  <p>Heres my xml:</p>
  
  <pre><code>&lt;item&gt;
  &lt;title&gt;Button hails 'amazing' win&lt;/title&gt;
  &lt;description&gt;Jenson Button hailed yesterday's crazy Canadian Grand Prix victory as the best of his Formula One career.
  &lt;/description&gt;
  &lt;link&gt;http://www.skysports.com/story/0,19528,12433_6986809,00.html&lt;/link&gt;
  &lt;guid isPermaLink="false"&gt;12433_6986809&lt;/guid&gt;
  &lt;pubDate&gt;Mon, 13 Jun 2011 06:21:00 GMT&lt;/pubDate&gt;
  &lt;category&gt;News Story&lt;/category&gt;
  &lt;enclosure type="image/jpg" url="http://img.skysports.com/11/06/128x67/Canadian-GP-Jenson-Button-celebrates1_2609288.jpg" length="123456" /&gt;
  &lt;/item&gt;
  </code></pre>
  
  <p>I need to get the url from the enclosure tags.</p>
  
  <p>Thanks</p>