all() function not working in Firefox
<p>In IE below line is working . popup is a div element.</p>

<pre><code>popup.all("submenu").innerHTML = "";
</code></pre>

<p>But in other browsers below error is coming</p>

<blockquote>
  <p>popup.all is not a function.</p>
</blockquote>

<p>Is there any alternative for all function in other browsers.</p>

<p>Please suggest me. Thanks.</p>
