anchor.diff:            <form id="pg_form">
               
               <input type="hidden" id="ontology_node_id" name="ontology_node_id" value="C32608" />
  +
               <input type="hidden" id="ontology_display_name" name="ontology_display_name" value="NCI Thesaurus" />
               <input type="hidden" id="ontology_version" name="ontology_version" value="11.09d" />
   
  
positive.code:     </div>
    
  </body>
  </html>
negative.code:             <div id="ft"></div>
            </div>
            <div id="treeStatus">
  
              <div id="bd"></div>
            </div>
            <div id="emptyRoot">
  