on Banner Scrolled
This is invoked by BannerX
when the current Banner
is being scrolled.
Parameters
position
The index position of the current Banner
being displayed. The next Banner
at position+1 will be visible if positionOffset is 0.
position Offset
Float value in the range [0, 1) indicating the offset from the Banner
at position.
position Offset Pixels
Same as positionOffset but in pixels.