anchor.diff:      function initTree() {
   
         tree = new YAHOO.widget.TreeView("treecontainer");
  -      var ontology_node_id = "C32608"; //DYEE
  -      var ontology_display_name = "NCI Thesaurus"; //DYEE
  +      var ontology_node_id = document.forms["pg_form"].ontology_node_id.value;
  +      var ontology_display_name = document.forms["pg_form"].ontology_display_name.value;
   
         if (ontology_node_id == null || ontology_node_id == "null")
         {
  
positive.code:         failure:responseFailure
        };
  
        var ontology_display_name = "NCI Thesaurus"; //DYEE
        var ontology_version = "11.09d"; //DYEE
        var cObj = YAHOO.util.Connect.asyncRequest('GET','/ncitbrowser/ajax?action=expand_tree&ontology_node_id=' +id+'&ontology_display_name='+ontology_display_name+'&version='+ontology_version,callback);
      }
  
  
negative.code: 
          showTreeLoadingStatus();
          var ontology_source = null;
          var ontology_version = document.forms["pg_form"].ontology_version.value;
          var request = YAHOO.util.Connect.asyncRequest('GET','/ncitbrowser/ajax?action=build_tree&ontology_node_id=' +ontology_node_id+'&ontology_display_name='+ontology_display_name+'&version='+ontology_version+'&ontology_source='+ontology_source,buildTreeCallback);
        }
      }
  