title: values are seen in firebug but array length is shown as undefined
body: <p>see below the code used from my end.</p>
  
  <pre><code>var len1=document.getElementById(div_name);
              alert(len1.length);
  </code></pre>
  
  <p>Values are getting populated for len1 array in firebug. but when i try to get the length of len1.length i get it as undefined.</p>
  
  <p>share me your suggestions
  thanks!</p>