@Override
	public void move(Excel start, Excel finish) {
		// TODO Auto-generated method stub
		
		if (start.getX() == begin.getX() && start.getY() == begin.getY())			
			{
				begin = finish;
				setColoredExes();
			}
		
		if (start.getX() == end.getX() && start.getY() == end.getY())
			{
			end = finish;
			setColoredExes();
			}
	}