The ScrollPixelsX and ScrollPixelsY values control the direction of scrolling movement. X values control horizontal movement, and Y values control vertical movement.
Positive values move to the right or bottom, negative values move to the left or top.
If both the X and Y values are non-zero, the movements are combined, resulting in a slanted movement. The Zoom parameter can be used to cause an explosive effect by contracting and expanding the contents. This will automatically handle upgraded versions of browsers. AVIs are movies that can include sound and more than 256 colors. AVI files can be compressed using a number of techniques.