title: reRender doesn't refresh after event
body: <p>I just have a selectOneRadio and want to display (or not) a panel depending on the boolean  value (basic reRender after an event with a4j).
  My binding with the boolean is good, and the action confirms that the boolean value changes on clicking:</p>
  
  <p>Here is my <code>selectOneRadio</code> :</p>
  
  <pre><code>&lt;h:selectOneRadio  value="#{myController.myBoolean}"&gt;
      &lt;a4j:support event="onclick" action="#{...}"  reRender="myPanel" /&gt;
          &lt;f:selectItem itemLabel="Yes" itemValue="#{true}"/&gt;
          &lt;f:selectItem itemLabel="No" itemValue="#{false}"/&gt;
  &lt;/h:selectOneRadio&gt; 
  </code></pre>
  
  <p>Why is the reRender not working after using the <code>rendered</code> attribute (no effect) :</p>
  
  <pre><code>&lt;a4j:outputPanel id="myPanel"  rendered="#{myController.myBoolean}"&gt;...
  </code></pre>
  
  <p>whereas it works using <code>style</code> attribute, by changing the visibility :</p>
  
  <pre><code>&lt;a4j:outputPanel id="myPanel"  style="#{myController.myBoolean ? 'visibility:visible;':'display:none;'}"&gt;...
  </code></pre>
  
  <ul>
  <li>Richfaces 3.3.3.Final </li>
  <li>Same bug on every browsers</li>
  </ul>