// Use this for initialization
    void Start()
    {
        activated = false;
        Ville v = FindObjectOfType <GameManager>().ville;

        transform.Find("ActivateImage").GetComponent <Button>().onClick.AddListener(() =>
        {
            if (!activated)
            {
                Debug.Log("click");
                if (v.ActiverBonus(transform.Find("Title").GetComponent <Text>().text))
                {
                    activated = true;
                    transform.Find("ActivateImage").GetComponent <Image>().sprite = activatedSprite;
                }
            }
        });
    }