title: DOJO how to close all panes inside in a Accordioncontainer widget
body: <p>The following Accordioncontainer code. I am trying to close all panes. Please help me</p>
  
  <pre><code>  &lt;div style="width: 300px; height: 300px"&gt;
      &lt;div data-dojo-type="dijit/layout/AccordionContainer" style="height: 300px;"&gt;
          &lt;div data-dojo-type="dijit/layout/ContentPane" title="Heeh, this is a content pane"&gt;
              Hi!
          &lt;/div&gt;
          &lt;div data-dojo-type="dijit/layout/ContentPane" title="This is as well" selected="true"&gt;
              Hi how are you?
          &lt;/div&gt;
          &lt;div data-dojo-type="dijit/layout/ContentPane" title="This too"&gt;
              Hi how are you? .....Great, thx
          &lt;/div&gt;
      &lt;/div&gt;
  &lt;/div&gt;
  </code></pre>