Publish as AS 2.0 and add this script
var interval:Number = setInterval(
This will pause your animation and then start it up again.
The 3000 on the second to last line is 3 seconds - change to however long you want to pause (2000 for 2 seconds etc)
Create new AS timeline for each separate pause. Where you want the animation to pause on the timeline add a Keyframe and apply above script to this frame.
This works great for me.
Make sure you create new AS timeline for each pause - pauses won't work in your document if the script for multiple pauses is on the same timeline.