Perhaps instead of the CGI feedreader script we can use this. If we have to.

Describes and links to several apps in Perl and Javascript that parse RSS for display

Javascript object for reading rss in an ajax manner.  Looks like you still need to have a server side get the xml piece so as to not encounter security issues on the client.  But nice compact code and looks to do the trick.  I'll swap the 'alert' for a listing thingie, but otherwise...