public void printPOS(Course[][] courses)
	{
		for(int x = 0; x < courses.length; x++)
		{
			if (courses[x][0] != null)
				System.out.println();
			
			for(int y = 0; y < courses[x].length; y++)
			{
				if (courses[x][y] != null)
					System.out.println(courses[x][y]);
			}
		}
	}