public void mouseWheelMoved(MouseWheelEvent e)
	{
		if(e.getWheelRotation() < 0)			//scrolled up
		{
			Main.world.changePerm(1);
		}
		else if(e.getWheelRotation() > 0)		//scrolled down
		{
			Main.world.changePerm(-1);
		}
	}