javascript : how to find the parent node given the innerhtml
<p>Here is my HTML snippet. </p>

<pre><code>&lt;div id='advanced'&gt;
  &lt;a id='javscript'&gt;testing&lt;/a&gt;
&lt;/div&gt; 
</code></pre>

<p>I need to find the parent node given the innerhtml testing.</p>
