anchor.diff:                  showNoPathFoundStatus();
               }
               else {
  -
                 showPartialHierarchy();
  -
                 for (var i=0; i < respObj.root_nodes.length; i++) {
                   var nodeInfo = respObj.root_nodes[i];
                   addTreeBranch(ontology_node_id, root, nodeInfo);
  
positive.code:       rootDescDiv.render();
      }
  
      function showPageRenderingAction() {
        rootDescDiv.setBody("<span class='instruction_text'>(Note: This tree only shows partial hierarchy.)</span>");
        rootDescDiv.setBody("<span class='instruction_text'>(      Rendering tree. Please wait...)</span>");
        rootDescDiv.show();
        rootDescDiv.render();
      }
  
negative.code: 
      function searchTree(ontology_node_id, ontology_display_name) {
          var handleBuildTreeSuccess = function(o) {
          var respTxt = o.responseText;
          var respObj = eval('(' + respTxt + ')');
          if ( typeof(respObj) != "undefined") {
  