**Disclaimer** I am not the original author of this software. I've taken this excellent package by Philippe Maegerman and merely built it into a single file which does not pollute the main javascript namespace, and can be optionally minified. ** Requirements ** Apache Ant 1.7 or greater Java 1.6 or greater ** Enhancements ** All tweening classes are under the main name space Tween e.g. var t = new Tween() var c = new Tween.ColorTween() var o = new Tween.OpacityTween() var t = new Tween.TextTween() var s = new Tween.Sequence() var p = new Tween.Parallel() I've left the source files themselves more or less in tact ** Compilation ** run ant from the main directory.