Sliding Menu content question

So I’ve found this question asked a few times but no one seems able (or willing) to answer it, unless I missed it somewhere.

I followed the sliding menu tutorial ( and everything is swell, aside from the fact that I can’t get the content to load/unload with the sliding. Meaning when the content3, for example, is slid into view, the animation should then begin. When you click to go to content1 and it slides away, the animation for content3 should end. I’ve tried doing this to the best of my ability, but my actionscript skill is really weak so I just end up breaking it.

I would really, really appreciate any help with this.

And if my explanation is still unclear, someone pointed to this site as a good (and pretty!) example: