数据压缩参考

LZ77 Demo:http://demo.java2script.org/lz77js/

Another LZ77 Demo:http://www.geocities.com/diogok_br/lz77/demo.html

Huffman Demo:http://www.ioyu.com/io/javascript/huffman.asp

arithmetic coding demo:http://www.animal.ahrgr.de/showAnimationDetails.php3?lang=en&anim=1

Javascript animation framework:http://sixrevisions.com/javascript/10-impressive-javascript-animation-frameworks/

Canonical Huffman Coding:http://blog.csdn.net/goncely/archive/2006/03/06/616589.aspx