title: selected value empty even marked as selected in developer tool
body: <p>When I output <code>user</code> element value it empty even it selected. Here is element from firefox inspector</p>
  
  <pre><code>&lt;select name="user" data-default-opt="" tabindex="-1" style="display: none;" class="selectized"&gt;
      &lt;option value="17" selected="selected"&gt;Option1&lt;/option&gt;
  &lt;/select&gt;
  </code></pre>
  
  <p>here is how I checking the value</p>
  
  <pre><code>...
  var doc = ifrm.contentDocument? ifrm.contentDocument: ifrm.contentWindow.document;
   console.log( doc.getElementsByName("user")[0].value);
  ...
  </code></pre>
  
  <p>output empty. Also on submit value comes empty. How to fix that?</p>