Using masks and scroll?

programming flash
#1

http://222gallery.com/

Check the effect with the slide sideways

Is there a feirly easy way to create this?

#2

http://www.kirupa.com/developer/mx/infinite.htm

you could use a mod of that

#3

i am looking for the same thing. 2 buttons that scoll an mc but do not let it scoll past either end of the x.