title: action method is not called in <a4j:commandLink> tag
body: <pre><code>&lt;a4j:commandLink onclick="return call();" action="#{bean.deleteUser(all_user.userID)}" reRender="viewUserGrid"&gt;
  &lt;h:graphicImage style="border-style:none;" url="/images/delete.jpg"  height="10px" /&gt;
  &lt;/a4j:commandLink&gt;
  </code></pre>
  
  <p>The problem is deleteUser method is not getting invoked in the backing bean why is it so.But it is invoking the javascript function Please help me.</p>