title: jQuery: submit form after a value is selected from dropdown
body: <p>I have this form in my HTML:</p>
  
  <pre><code>&lt;form action="/awe/ChangeTheme/Change" method="post"&gt;
  
      &lt;select id="themes" name="themes"&gt;
          ...
          &lt;option value="blitzer"&gt;blitzer&lt;/option&gt;
      &lt;/select&gt;
  
      &lt;input type="submit" value="change" /&gt;
  
  &lt;/form&gt;
  </code></pre>
  
  <p>Anybody knows how to submit it when a value is selected in the 'themes' dropdown?</p>