Using the Delivered Java iView for Detailed Navigation 
Use
You need not create your own Java iView for detailed navigation. You can use the special Java iView contained for detailed navigation in the standard delivery.
Prerequisites
Install the initial content for the Enterprise Portal. You can also find the files containing the default iView for detailed navigation here. Copy these files to the import directory on the Servlet Engine.
Activities
You can also create your own Java iView for detailed navigation. Read also
Creating Java iViews for Detailed Navigation.