rem: panelTree.outlinerBoxObject.selection.select( index ); 
add: panelTree.treeBoxObject.selection.select( index ); 
context:     openBranch:      function ( aComponentName, aSelectItem )        {          var panelTree = document.getElementById( "prefsTree" );          var selectItem = document.getElementById( aSelectItem );          var index = panelTree.contentView.getIndexOfItem( selectItem );          if ( !panelTree.view.isContainerOpen( index ) )            panelTree.view.toggleOpenState(index);          panelTree.outlinerBoxObject.selection.select( index );        }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/07d96867f11683becf5e1a6ca5e64e6a9324c957/nsPrefWindow.js/buggy/xpfe/components/prefwindow/resources/content/nsPrefWindow.js