if ( cell == null ) return null;
	public CellHandle getCell( int slotId, int rowId, int colId )	{		if ( slotId > tableSlots.length - 1 || rowId < 1 || colId < 1 )			return null;		LayoutRow row = getSimpleSlot( slotId ).getLayoutRow( rowId - 1 );		LayoutCell cell = row.getLayoutCell( colId - 1 );		return cell.getCell( );	}