How to attach a movieclip dynamically

Hello Friends,

I know how to attach a movieclip dynamically using flash 8 and cs3 but not in cs4. can u pls help me on this.

I made a movieclip named “box_mc” and i deleted from stage. It’s there in library. now i want to display the movieclip “box_mc” dynamically on stage. how to do this ??

Any ideas would be appreciated…

Rajesh