This is a nice add-on for Ajax coder especially if you using JQuery library. Now, you can can download the helper extension for Dreamweaver CS3, 8, MX, MX 2004.

Download here. or go to http://xtnd.us

I'm search for this kind of jquery helper for some times, and until today I found the website that offer this free little but useful extension to help me learn JQuery effectively :)