MVC custom authorization and jQuery redirect

http://beckelman.net/post/2010/04/01/Custom-ASPNET-MVC-Authorization-Attribute-For-Ajax-Requests.aspx
http://blogs.msdn.com/b/rickandy/archive/2011/05/02/securing-your-asp-net-mvc-3-application.aspx

Tuning jQuery: http://www.artzstudio.com/2009/04/jquery-performance-rules/

Memory leak: http://stackoverflow.com/questions/1462649/jquery-memory-leak-with-dom-removal