// Use this for initialization
    void Start()
    {
        singleton = this;

        yesCall += CancelButton;
        yesButton.onClick.AddListener(yesCall);
        cancelButton.onClick.AddListener(CancelButton);
    }
 void CreateMap()
 {
     if (!isDirty && CreateMapPanelController.createPanelMapController == null)
     {
         Instantiate(createMapPanel);
     }
     else if (isDirty && AreYouSureMenuController.singleton == null)
     {
         AreYouSureMenuController controller = Instantiate(AreYouSurePanel).GetComponent <AreYouSureMenuController>();
         controller.yesCall += InstantiateMapPanel;
     }
 }