title: jQuery ajax form and Zend_Form file upload
body: <p>If i submit my ajax form from jQuery, and do </p>
  
  <pre><code>print_r($_FILES);
  </code></pre>
  
  <p>i get a list of files uploaded, 
  but if i do something like this </p>
  
  <pre><code>$add_form-&gt;sound_file-&gt;isUploaded();
  </code></pre>
  
  <p>or</p>
  
  <pre><code>$params = $this-&gt;_getAllParams();
  print_r($params);
  </code></pre>
  
  <p>i don't get my file in zend parametars, and i don't get it uploaded!?</p>
  
  <p>Mayb the problem is with he context beng ajax?!</p>