public override void updateItem(GameObject item, int index)
    {
        if (item == null)
        {
            return;
        }

        MissionChooseButton button = item.GetComponent <MissionChooseButton> ();

        button.updateButton(missonList [index]);
    }
    public override void initButton(int i)
    {
        if (nodeList [i] == null)
        {
//			nodeList [i] = NGUITools.AddChild (gameObject, (fatherWindow as MissionChooseWindow ).missionChooseBarPrefab);
        }


        nodeList [i].name = StringKit.intToFixString(i + 1);

        MissionChooseButton button = nodeList [i].GetComponent <MissionChooseButton> ();

        button.fatherWindow = fatherWindow;
        button.updateButton(missonList [i]);
    }