Hey, I'm not sure if this is the right section for a post like this, but I thought it might be javascript related. The two new's image/content rotators used in both of these websites is made in what coding?

http://ampedgaming.org
http://www.teamdynamic.biz

How would you go about making these? Any websites/tutorials on such?
If not about how much would something like this cost to get made?

That is all, thanks for all responses, and sorry if this is the wrong forum.