title: jstree dynamically adding child node to child node not creating
body: <p>Ian newbie to jquery, iam working with jstree. I am able to create tree with first of values but iam able to create childnodes to the childs present in the same tree.</p>
  
  <p>i could do this</p>
  
  <ul>
  <li><p>myttree</p>
  
  <pre><code>   mytreeval1
     mytreeval2
     mytreeval2
  </code></pre></li>
  </ul>
  
  <p>but i couldnot do this through code</p>
  
  <ul>
  <li><p>myttree</p>
  
  <pre><code>   mytreeval1
        subtreeval
        subtreeval
     mytreeval2
     mytreeval2
  </code></pre></li>
  </ul>
  
  <hr>
  
  <p>i tried the following code.</p>
  
  <pre><code>$('#jstreedemo').jstree('create_node', 1, 'inside', 'mytreeval1', node_callback(), true); function node_callback(){alert("Iam here");}
  </code></pre>
  
  <p>creating tree and adding nodes are in different functions();</p>
  
  <p>How to acheive this? anyone help me out with this.</p>