jquery.validate.js

jquery.validate.js详解:

http://www.cnblogs.com/hejunrex/archive/2011/11/17/2252193.html

jquery.bt.js详解：

vearn.iteye.com/blog/444841

jquery.bt.js  的Demo:

http://www.lullabot.com/files/bt/bt-latest/DEMO/index.html

excanvas-r3.js 支持ie低版本的canvans:
http://openexz.sinaapp.com/2011/04/07/%E4%BD%BF%E7%94%A8excanvas%E6%97%B6%E7%9A%84%E5%B8%B8%E8%A7%81%E9%97%AE%E9%A2%98/