Great Posts for learning Javascript

Douglas Crockford's Blog

http://javascript.crockford.com/

What ASP.NET Developers Should Know About JavaScript

http://odetocode.com/Articles/473.aspx

Closure On JavaScript Closures

http://odetocode.com/Blogs/scott/archive/2007/07/09/11077.aspx

A Good Example:

http://stackoverflow.com/questions/643542/doesnt-javascript-support-closures-with-local-variables

Function.apply and Function.call in /javaScript

http://odetocode.com/blogs/scott/archive/2007/07/04/11067.aspx