TransM.jsPosted on December 29, 2009 and no shout so far
From the website :
Transm.js can run on major browsers such as Mozilla Firefox 1.5+, Opera 9+, Safari 2+, Chrome 3+ and IE 6+. This script supports 113 image transition for browsers supporting HTML 5 canvas, and 51 image transition for browsers supporting VML filter. Those supported transitions including alpha transition, checkerboard, blinds, circles, gradient, pull, etc.
This script is distributed under Netzgestade Non-commercial Software License Agreement, so you can use this script for non-commercial purpose and private website only based on special conditions.