Javascript implementation of "Fifteen puzzle" game (http://en.wikipedia.org/wiki/15_puzzle) Tested in the following browsers: IE 6.0 - 8.0, FF 17, Chrome 22, Safari 5.1.1 FifteenPuzzle.js requires Event.js package, which can be acquired at the following links: Github - https://github.com/mark-rolich/Event.js JS Classes - http://www.jsclasses.org/package/212-JavaScript-Handle-events-in-a-browser-independent-manner.html