public void unhighlightTargets() {
		int index;
		for (BoardCell target : targets) {
			index = calcIndex(target.getRow(), target.getCol());
			if (cells.get(index).isRoom())
				cells.get(index).setColor(Color.GRAY);
			else
				cells.get(index).setColor(Color.CYAN);
		}
		repaint();
	}