UPDATE! Development progress for Animator.js: 14-Nov-2006: Removed the dependency on prototype.js 16-Nov-2006: Added more transitions - check out the new bouncy and elastic transitions 9-Dec-2006: Allow people to specify CSS class names in CSSStyleSubject. 18 March 2007: improvements to AnimatorChain: seekTo() method (thanks Tim Stone) and resetOnPlay option (thanks Kaspar Fischer); 19 March 2007: