The Demo Source was exactly copied to the portal environment and doesn't work .. some suggestions ... hier is the source example !
Here is tab #1
<rich:tab label="Second" disabled="true">
Here is tab #2
Here is tab #3
It doesn't work at all due to js resources not reslving with portlet namespace. We are working on the problem... I think the fix for this was checked in yesterday, but I will have to double check.
As an interim solution, you can copy the js files to your webapp... they must be refencered as described here: