anchor.diff:      var emptyRootDiv;
       var treeStatusDiv;
       var nodes = [];
  +    var currOpener;
   
       function load(url,target) {
         if (target != '')
  
positive.code:     function onClickTreeNode(ontology_node_id) {
        var ontology_display_name = document.forms["pg_form"].ontology_display_name.value;
        var ontology_version = document.forms["pg_form"].ontology_version.value;
        load('<%= request.getContextPath() %>/ConceptReport.jsp?dictionary='+ ontology_display_name + '&version='+ ontology_version  + '&code=' + ontology_node_id,top.opener);
      }
  
      function onClickViewEntireOntology(ontology_display_name) {
  
negative.code:       treeStatusDiv = new YAHOO.widget.Module("treeStatus", {visible:true} );
        resetTreeStatus();
  
        currOpener = opener;
        initTree();
      }
  
  