// AvalibleTaskPage
    public void gotoAvalibleTasksPage()
    {
        _activePageForward(this._avalibleTaskPage);
        TaskScrollList script = _avalibleTaskPage.GetComponent <TaskScrollList> ();

        DataStore.List <Task> (list => {
            script.EnterPage(list as List <Task>);
        });
    }
    private void _leaveAvalibleTasksPage()
    {
        TaskScrollList script = _avalibleTaskPage.GetComponent <TaskScrollList> ();

        script.LeavePage();
    }