jquery get started: 

http://www.k99k.com/jQuery_getting_started.html

http://docs.jquery.com/Tutorials:Getting_Started_with_jQuery#Plug_me:_Writing_your_own_plugins

jquery的 的selector:

http://docs.jquery.com/DOM/Traversing/Selectors#XPath_Selectors

JSON客户端解释器： 

 https://github.com/douglascrockford/JSON-js 

JSON Introduction:

http://www.json.org 

JSON服务器端处理类库：

http://json.codeplex.com/releases/view/94220 

JQuery - Ajax 入门： 

http://www.simple-talk.com/content/article.aspx?article=1031

JavaScript入门： 

http://developer.51cto.com/art/201107/277356.htm 

超强Javascript入门： 

http://abruzzi.iteye.com/blog/646947 

IBM JS入门：

http://www.ibm.com/developerworks/web/library/wa-javascriptstart2/index.html 

setAttribute在IE7下是不work的，比如，obj.setAttribute("class","css class name")

替代方法是： 

obj.classNmae = "css class name";