The AddressBookJSPProvider JSPs are located in html subdirectory under the /var/opt/SUNWportal/portals/<portal_id>/desktop/default/html/AddressBookJSPProvider directory.
The JSPs available in the AddressBookJSPProvider subdirectory and their functionality are:
Displays address book entries.
JavaScript functions used by channel (included by content.jsp).
Displays navigation links in channel (included by content.jsp).
Displays navigation pull-down menu in channel (included in content.jsp).
Controls state of channel (included by content.jsp).
Allows editing of channel preferences.
Displays error message in channel.
Persists changes to channel preferences.