void Start()
    {
        //Debug.Log ("pass="******",star="+star);
//		if (lightSprite == null) {
//			Sprite sp = Resources.Load ("levelImage/lightSprite", typeof(Sprite)) as Sprite;
//			lightSprite = sp;
//		}
//		if (offSprite == null) {
//			Sprite sp = Resources.Load ("levelImage/offSprite", typeof(Sprite)) as Sprite;
//			offSprite = sp;
//		}
        Text level = transform.Find("level").GetComponent <Text>();

        level.text = ((pass - 1) / BigPass + 1) + "-" + ((pass - 1) % BigPass + 1);
        if (isOpen)
        {
            for (int i = 0; i < starImages.Length; i++)
            {
                if (star > i)
                {
                    starImages[i].sprite = SpriteCache.getLightSprite();
                }
                else
                {
                    starImages[i].sprite = SpriteCache.getOffSprite();
                }
            }
        }
        else
        {
            transform.Find("stars").gameObject.SetActive(false);
        }
    }