     /**
      *  @inheritDoc
      *  
+     *  <p>Note that for this class, the view does not need to be sorted in order to
+     *  call this method.</p>
+     * 
      *  @langversion 3.0
      *  @playerversion Flash 9
      *  @playerversion AIR 1.1

            }
        }

		updateParentMap(currentNode);

        currentIndex--; 
        return true;

                    try
                    {
                        currentNode = childCursor.current;
                        // update parent map
                        updateParentMap(currentNode);
                    }
                    catch (e:ItemPendingError)
                    {
