star rating

参考：

1）http://www.cnblogs.com/xiaoyao2011/archive/2011/10/15/2213129.html

2)jquery.raty-评级插件:

http://360193550.iteye.com/blog/1767370

3)jQuery Raty评分插件学习实例:

http://jianzhong5137.blog.163.com/blog/static/98290492011102853639800/