@classmethod
def autoScroller(cls):
    """
        Class method to get a reference to the auto scroller.
        
        @return reference to the auto scroller object
        @rtype AutoScroller
        """
    if cls._autoScroller is None:
        from .AutoScroll.AutoScroller import AutoScroller
        cls._autoScroller = AutoScroller()
    return cls._autoScroller
