One really cool feature in the "Ajax Library for .NET"

Ok, Ajax is cool.  Michael Schwartz's "Ajax Library for .NET" has a feature that is either new or I missed.  My biggest complaint with regards to Ajax is that amount of javascript code that is necessary to write when interfacing to a method on the server and then iterating through return values and such.

The ability to send an htmlcontrol to the server and back is very cool.  This minimizes the amount of javascript code necessary.  Since I have not worked with javascript in a while and have been reading up on the subject extensively in the last couple of weeks, this feature is awesome.  Thank you Michael.

Wally

Updated (7/24/2005): Reading an old copy of the AjaxGuide that I have, the feature I mention above is not in the document.