Stephen,

Please have a review of the following links.

WARNING!
The ClearHistory script will currently cause issues with XP. I still need to review this script for general public useage. It still removes a little too much data to be considered safe to use on users machines. However, the concept may prove useful to you.

http://www.kixtart.org/ubbthreads/showflat.php?Cat=&Board=UBB2&Number=107432

http://www.kixtart.org/ubbthreads/showflat.php?Cat=&Board=UBB14&Number=104199

http://www.microsoft.com/office/ork/2000/journ/KioskMode.htm