public void update(GameContainer gc, StateBasedGame sbg,int delta) throws SlickException {
		
		mousePositionX = Mouse.getX();
		mousePositionY = Mouse.getY();
		Input input = gc.getInput();
		if(mousePositionX >=20 && mousePositionX <= 270 && mousePositionY >= 380 && mousePositionY <= 440){
			playGameButton = buttonDown;
			if(input.isMousePressed(0)){
				sbg.enterState(2);
			}
		}else {
			playGameButton = buttonUp;
		}
		if(mousePositionX >=20 && mousePositionX <= 270 && mousePositionY >= 300 && mousePositionY <= 360){
			optionsButton = buttonDown;
			if(input.isMousePressed(0)){
				sbg.enterState(1);
			}
		}else {
			optionsButton = buttonUp;
		}
		if(mousePositionX >=20 && mousePositionX <= 270 && mousePositionY >= 220 && mousePositionY <= 280){
			closeGameButton = exitButtonDown;
			if(input.isMousePressed(0)){
				System.exit(0); // Exiting game.
			}
		}else {
			closeGameButton = buttonUp;
		}


	}