http://tags.library.upenn.edu/tag/web2.0+ajax+programming PennTags Feed http://tags.library.upenn.edu/makerecord/url/5573 http://tags.library.upenn.edu/makerecord/url/5573 Good site on programming with ajax. Lots of examples and good code library to use. I like this site since it cuts thru the evangelical zealotry of many ajax sites and gives the good, the bad, and the ugly...<br /> http://tags.library.upenn.edu/makerecord/url/3613 http://tags.library.upenn.edu/makerecord/url/3613 <p>Site with tutorials on xmlhttprequest, drag and drop, forms, uploaders, image gallery, live search, and tabbed pages.</p><p>A must page.&nbsp;</p>