Use buttons to control scroll pane

[dunnma]

So somehow I have figured out how to load data from an XML file, and dynamically generate multiple instances of a "movie" and place them on a scrollpane offset from each other (think of it as a ticker).

My question/problem is how can I use buttons on either end of the scrollpane to control scrolling left and right? If I turn on horizontal scrolling the scroll bar appears and I can use it...but I would much rather use buttons.

Any help would be greatly appreciated.

Thanks!