      *  position specified.  An index of 0 represents the first item
      *  and the back (bottom) of the display list.
      *
-     *  @param item The item to add as a child of this Group instance
+     *  @param item The item to add as a child of this Group instance.
+     * 
      *  @param index The index position to which the item is added. If 
      *  you specify a currently occupied index position, the child object 
      *  that exists at that position and all higher positions are moved 

     */
    private function get canShareDisplayObject():Boolean
    {
    	return blendMode == "normal" && (layeringMode == ITEM_ORDERED_LAYERING);
    }
    
    /**

    /**
     *  @inheritDoc
     * 
     *  @throws RangeError If the index position does not exist in the child list.
     */ 
    override public function getLayoutItemAt(index:int):ILayoutItem
    {
