How to make the animation "pause/stop"?

Hi! im new to flash but i wanna learn it and make flash movies and maby games later too.
i have watch some tutorial movies so i know how to make a button,movieclip, and so on but i cant figure out how to make a pause button.

I want to do a movie that “pauses” automatically when for example a guy talk like in this movie: http://www.newgrounds.com/portal/view/34264 (the movie suck but you know what i mean) and then you press a button and it continue playing.

i know how to make a stop button and play button but it is that pause i dont get so please help! thx anyway, :sure: