Are you new to Spry in Dreamweaver? Are you having a hard time understanding where to start? Are you wanting to do more other than form validations like create sliding panels that update when other events are fired in your site design? I’d highly suggest starting with Don Booth’s in-depth article to understand the basics that make the Spry framework for AJAX tick. This includes understanding what a Data Set is and how an observer works which is very similar to listeners in ActionScript. Once you pick up the basics you’ll be having a hard time creating the content!!
Building a photo album with the Spry framework
The next step is understanding how observers work in detail. Here is a direct sample I’d suggest you de-construct after walking through the article above:
Data Set Observer Sample
Hope this helps!