http://www.zhangxinxu.com/wordpress/2012/12/jquery-html5validate-html5-form-validate-plugin/
http://www.cnblogs.com/luluping/archive/2009/04/15/1436177.html
http://www.iteye.com/topic/769021
http://www.open-open.com/news/view/1048931
http://polaris.blog.51cto.com/1146394/258781/