Slide Show > Set Up Show > Browsed at a kiosk
That is the setting that does just what you want. The only things that
will work are buttons, hyperlinks, and the Escape key.
--David
--
David M. Marcovitz
Author of _Powerful PowerPoint for Educators_
http://www.PowerfulPowerPoint.com/
Microsoft PowerPoint MVP
Associate Professor, Loyola University Maryland