Need Help in vertical carousing

[prmlg]

1) Script Title:
Step Carousel
2) Script URL (on DD):
http://www.dynamicdrive.com/dynamicindex4/stepcarousel.htm
3) Describe problem:

How to carousel the images vertically instead of default horizontal behavior?

[vwphillips]

http://www.vicsjavascripts.org.uk/Demos/120103A.htm