need help plz reply soon

[KIERIOSHIMOTO]

hey, if u have a nokia phone then ull know how cool bounce is, so u guys should help me with making it in flash, i have a ground platform but i cant figure out how to make my ball bounce of the roof and walls

-=|kez|=-

[TheCanadian]

Gravitation: Phyics
http://www.kirupa.com/developer/actionscript/gravity.htm

Springs: Elasticity, Physics, and Flash MX
http://www.kirupa.com/developer/actionscript/spring.htm