public Cell getNextCell(Direction dir)
	{
		Cell head = this.getHead();
		int i = head.getI();
		int j = head.getJ();

		switch (dir)
		{
		case UP:
			return new Cell(i,j-1);

		case LEFT:
			return new Cell(i-1,j);

		case DOWN:
			return new Cell(i,j+1);

		case RIGHT:
			return new Cell(i+1,j);

		default:
			return new Cell(i,j);
		}
	}