anchor.diff:          failure:responseFailure
         };
   
  -      var ontology_display_name = Constants.CODING_SCHEME_NAME;
  +      var ontology_display_name = "<%=Constants.CODING_SCHEME_NAME%>";
         var cObj = YAHOO.util.Connect.asyncRequest('GET','<%= request.getContextPath() %>/ajax?action=expand_tree&ontology_node_id=' +id+'&ontology_display_name='+ontology_display_name,callback);
       }
   
  
positive.code:     }
  
      function onClickViewEntireOntology(ontology_display_name) {
        var ontology_display_name = Constants.CODING_SCHEME_NAME;//document.pg_form.ontology_display_name.value;
        tree = new YAHOO.widget.TreeView("treecontainer");
        tree.draw();
        resetRootDesc();
  
negative.code: 
        tree = new YAHOO.widget.TreeView("treecontainer");
        var ontology_node_id = document.forms["pg_form"].ontology_node_id.value;
        var ontology_display_name = "<%=Constants.CODING_SCHEME_NAME%>";
  
        if (ontology_node_id == null || ontology_node_id == "null")
        {
  