Countdown timer

I’m stuck with what I’m sure is a fairly simple problem here.
In my game I have a number of bombs that the user can drag onto the arena. What I would like to happen is when the bomb is released it has a three second countdown before exploding.
Like I said I’m sure it’s easy but I just can’t seem to get my head around it.

Cheers
[import]uid: 7841 topic_id: 12397 reply_id: 312397[/import]

Hey
Take a look at Jonathans great library, we use it our games.
http://jonbeebe.tumblr.com/post/2439016279/how-to-use-the-new-time-functions [import]uid: 22737 topic_id: 12397 reply_id: 45175[/import]