public void setPheromoneLevel(int pheromone)
	{
		amtPheromone = pheromone;
		pheromoneLabel.setText("Ph: " + pheromone);
		
		if (pheromone >= 1000)
			setBackground(PHEROMONE_1000);
		else if (pheromone >= 800)
			setBackground(PHEROMONE_800);
		else if (pheromone >= 600)
			setBackground(PHEROMONE_600);
		else if (pheromone >= 400)
			setBackground(PHEROMONE_400);
		else if (pheromone >= 200)
			setBackground(PHEROMONE_200);
		else if (pheromone > 0)
			setBackground(PHEROMONE_0);
		else if (getBackground().equals(QUEEN_NODE_COLOR))
			setBackground(QUEEN_NODE_COLOR);
		else
			setBackground(OPEN_NODE_COLOR);
	}