RSS Reader webpart with tab support and asynchronous periodic data refresh using AJAX

I have recently written my first article on Codeproject.

The article describes the development of AJAX enabled webpart on MOSS 2007 SP1.

cool thing about it is the that it also utilizes the AJAX Control
Toolkit including programmatically adding and styling TabContainer and
TabPanel controls which can be quite tricky for a beginner. The article
can be found here: