see on this website http://darrencooney.com/V2/ when u click on visual.on the left side u will see something like a slider but button press.i have looked but hevent find a good one so if u can send me a good tutorial for this please tell me as soon as posible oka.thanks in advanced.
I wrote a tute on that effect on this site 
http://www.kirupa.com/developer/flash5/slidingmenu.asp
pom :asian: