[Javascript] scroll event

[Hakan M (Backbase)]

>>How to capture onScroll event in firefox. window.oncroll = function;
>>doesn't work in firefox :(
> 
> The scroll event only fires when you scroll by dragging the scrollbar,
> not when you use the arrow keys or the mouse wheel. So the scroll
> event is very badly supported in Mozilla.

True, but on the other hand, you could probably solve it by defining 
your own setter for the scrollTop and scrollLeft properties?