ndexFileComponent){

            if (!isChunked) {
             var selectIds = new Array('toc_group_by_namespace', 'toc_group_by_location', 'toc_group_by_component_type');
             // Make all the tabs invisible.
               for (i = 0; i < 3; i++){
                  var tab = getElementObject(selectIds[i]);
                  tab.style.display = 'none';
               }
               var selTab = getElementObject(id);
               selTab.style.display = 'block';
            } else {
             