>>Is jQuery a part of AJAX? Or it should be a separate download (free?)?
>
>Did you try Googling it before you asked?
>
>~~Bonnie
>
Not yet, but I will. Somehow it's much easier for me to google for somebody else and not for myself. Weird, but true.

Sounds interesting and yes, it's free

http://docs.jquery.com/How_jQuery_Works

I guess I'll download it and play with it a bit.