This article shows you how to integrate existing frameset and non-frameset applications into IBM® WebSphere® Portal V6.x. By utilizing a custom portal theme, the external application can be integrated into a portal on its own page with few to no changes in the application. The single custom portal theme can be used to integrate several different applications in the same installation.
I posted to delicious.com
Integrating Web applications with WebSphere Portal V6: The JSPPage custom theme
Your favourite external commenting service goes here! I recommend http://www.disqus.com