You might look at Spinner:

http://mooshell.net/w7S6f/

On Tue, Jan 5, 2010 at 1:55 PM, Rolf -nl <[email protected]> wrote:

> I've extended more's Mask so I can apply an opacity tween effect to
> the mask... (and still have all the benefits of Mask, else I could use
> DWalsh's Overlay...)
>
> Earlier I tried a simple way to extend Mask, just changing the
> showMask and hideMask methods:
> http://mootools.net/shell/A65x7/
>
> But then I get the error: The method "parent" cannot be called.
> Q1. Why can't I call the this.parent() methods showMask and hideMask?
>
>
> Then I extended it in another way (needed to use it, so, went for the
> easy way out):
> http://mootools.net/shell/PMpZM/
>
> In the original Mask show (and hide) methods it says:
> this.showMask.apply(this, arguments);
>
> Q2: When are these methods (show/hide) getting any arguments?
>
>
>

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