Play Random Movie Clip

(My apologies, this was originally posted in the wrong section)

Hey all,

So I have searched for this but nothing quite answers my question…

I have 4 movie clips on the stage, which can be numbered or named whatever you like.

To start, I need some code that tells one of them (at random) to play.

Then when the clip finishes playing, on the last keyframe, some similar code that tells another of the 4 clips to play (at random), but not the same clip again.

What would be the best way to set this up? I am new to arrays etc…

Thanks!