beyond html
You can build some very nice web pages without any of the technologies in this section. However, when you're ready to move to the next level, experiment a little with these links.
Javascript
A very short explanation of what Javascript is and how scripts written by others can be used in your pages, complete with samples and a list of resources.
Cascading Style Sheets
A six part overview of what Cascading Style Sheets are, how to use them for various purposes and why you'd want to use them.
Using Stylesheets in Dreamweaver
Stylesheets will make your web publishing easier and make your site more consistant in various browsers. This tutorial is for version 4 so also read the update for MX.
DHTML
This effect can be done several different ways but GoLive makes it easy to use the floating boxes feature from DHTML to create rollovers in your page.
Taylor's Dynamic HTML Tutorial
So what is DHTML anyway and why would I want to use it? This article from the Webmonkey people will give you a good start towards understanding the concept.
A large collection of Javascript and DHTML scripts that are free and easily used in your pages. Just don't get too carried away with specials effects!
XML
A very good overview of the subject by the folks at Webmonkey.
XML: It's Not Your Father's HTML
Another brief but good introduction to XML from Webreference.
