This is a Javascript excercise.
Press the button and the dice will be thrown and eventually stop.
Images were rendered with POV-Ray.

Made by Pekka "PQ" Paalanen, http://www.iki.fi/pq/
A package containing all files is here.
Tested to work with Mozilla 2001100112-Linux, IE6 and Opera 5.12, 6.0 and 6.01-Linux. Thank you, testers.
Does not work with Netscape and propably Konqueror.