public void alertKeyRelease(KeyEvent releasedKey){
		switch (releasedKey.getKeyCode()){
		case KeyEvent.VK_UP:
			upHeld = false;
			break;
		case KeyEvent.VK_DOWN:
			downHeld = false;
			break;
		case KeyEvent.VK_LEFT:
			leftHeld = false;
			break;
		case KeyEvent.VK_RIGHT:
			rightHeld = false;
			break;
		}
	}