As always, the Web Centric Reources have extensive links.
Also, as always, there are cheat sheets and other material in the Moodle folder for each chapter.
The truly excellent reference book Javascript: The Definitive Guide, is available through the ACM Safari books site.
The important classic book Javascript: The Good Parts by Douglas Crockford is also available through the ACM Safari books site.
You can also find his videos through the Web Centric Resources page.