Ajax for Everyone
Spry is a JavaScript-based framework that enables the rapid development of Ajax-powered web pages. Not a JavaScript guru? No problem. Spry was designed to feel like an extension of HTML and CSS, so anyone with basic web-production skills can create next-generation web experiences by adding the power of Ajax to their pages.
Another link mainly for my reference. Though I must say Spry does look interesting from a website developers/designers point of view. Gonna have to download the package and try it out. Not sure what use I would have for it but as I once again seem to be getting more and more into building and maintaining websites, knowledge of new tools and technologies do tend to give one a bit of an edge.