Rollover Animations

Add the Button Actions

Now add the play(); action to the button

Make certain the button is selected, then bring up the Actions-Button window
Click Gobal Functions > Timeline Control > play to add the play action

Change the Release event handler to Roll Over:

First select the on () event handler in the main actionScript window
Deselect the defaulte Release listener
Select the Roll Over listener

OK! Test your work now! It should function like the example below: