Originally Posted by Kalle

DOM is pretty straigth forward once you gasped the basic of it, you will find the MSDN Library more than excellent for DOM references:
http://msdn.microsoft.com/en-us/library/aa155133.aspx

-> HTML & DHTML (Dynamic HTML)

When you view the CSS reference on MSDN you will also be able to see the scripting names for that style like:
same goes for the HTML reference, you will see which events and actions that apply to each tag.