jq验证插件validate

博客：

http://www.cnblogs.com/linjiqin/p/3433635.html

http://blog.csdn.net/windxxf/article/details/7520340

http://gqsunrise.iteye.com/blog/1933366

jq插件库：http://www.jq22.com/jquery-info743

菜鸟教程：http://www.runoob.com/jquery/jquery-plugin-validate.html