 
 	//--------------------------------------------------------------------------
 	//
-	//  Class constants
-	//
-	//--------------------------------------------------------------------------
-
-	/**
-	 *  @private
-	 *  Role of treeItem.
-	 */
-	private static const ROLE_SYSTEM_OUTLINEITEM:uint = 0x24; 
-
-	/**
-	 *  @private
-	 */
-	private static const STATE_SYSTEM_COLLAPSED:uint = 0x00000400;
-
-	/**
-	 *  @private
-	 */
-	private static const STATE_SYSTEM_EXPANDED:uint = 0x00000200;
-
-	/**
-	 *  @private
-	 */
-	private static const STATE_SYSTEM_FOCUSED:uint = 0x00000004;
-	
-	/**
-	 *  @private
-	 */
-	private static const STATE_SYSTEM_INVISIBLE:uint = 0x00008000;
-	
-	/**
-	 *  @private
-	 */
-	private static const STATE_SYSTEM_SELECTABLE:uint = 0x00200000;
-	
-	/**
-	 *  @private
-	 */
-	private static const STATE_SYSTEM_SELECTED:uint = 0x00000002;
-	
-	/**
-	 *  @private
-	 */
-	private static const EVENT_OBJECT_FOCUS:uint = 0x8005; 
-	
-	/**
-	 *  @private
-	 */
-	private static const EVENT_OBJECT_SELECTION:uint = 0x8006; 
-	
-	/**
-	 *  @private
-	 */
-	private static const EVENT_OBJECT_STATECHANGE:uint = 0x800A;
-
-	//--------------------------------------------------------------------------
-	//
 	//  Class methods
 	//
 	//--------------------------------------------------------------------------

			if (index < tree.verticalScrollPosition ||
				index >= tree.verticalScrollPosition + tree.rowCount)
			{
				accState |= STATE_SYSTEM_INVISIBLE;
			}
			else
			{
				accState |= STATE_SYSTEM_SELECTABLE;

				var item:Object = getItemAt(index);

				if (item && tree.dataDescriptor.isBranch(item, tree.dataProvider))
				{
					if (tree.isItemOpen(item))
						accState |= STATE_SYSTEM_EXPANDED;
					else
						accState |= STATE_SYSTEM_COLLAPSED;
				}

				var renderer:IListItemRenderer =
					tree.itemToItemRenderer(item);

				if (renderer != null && tree.isItemSelected(renderer.data))
					accState |= STATE_SYSTEM_SELECTED | STATE_SYSTEM_FOCUSED;
			}
		}
		return accState;

	 */
	override public function get_accRole(childID:uint):uint
	{
		return childID == 0 ? role : AccConst.ROLE_SYSTEM_OUTLINEITEM;
	}

	/**
