title: InsertBefore() is not working with javascript ajax
body: <p><code>data</code> is responseXML from ajax request which returns <code>&lt;b&gt;Test Text&lt;/b&gt;</code>
  <code>data</code> is XMLDocument object
  <code>streamObj</code> is DOM node of html page.</p>
  
  <pre><code>streamObj.insertBefore(data,streamObj.firstChild); 
  </code></pre>
  
  <p>It is not inserting the xml fragment. why?</p>