Lens Took a fall...

I was shooting in a theater the other day.... i was coming up an aisle, and rounded around a row of seats to go up the next row.... but my camera strap caught on the corner seat and pulled the camera and lens off my shoulder. It hit the carpeted aisle, no glass broken. But the autofocus does not seem to work now. I can switch to manual, and the focus goes from close to infinity just fine. Lens shoots just fine, just noi autofocus.

Anything I can do on this, or any ideas?

Thanks!

Dave

Its a nikon 80-200 2.8. WELL out of warrantee.