The original is on archive.org.
Get the samples that come with VS2008
http://blogs.msdn.com/saraford/archive/2008/12/16/did-you-know-you-can-go-directly-to-the-installed-code-samples-from-within-visual-studio-379.aspx
How to set up the .Net source code for debugging
http://blogs.msdn.com/sburke/archive/2008/01/16/configuring-visual-studio-to-debug-net-framework-source-code.aspx
What you need to use jquery in intellisense
http://msdn.microsoft.com/en-us/magazine/dd453033.aspx