Configuring Login Modules on SAP Web AS 640 preview

Hello,

I'm trying to make available the jaas login module HTTPCookieLoginModule.java provided with the SAP TechEd '03 Las Vegas. In the slides it says to place the jar in a folder called additional-lib which isn't included in the SAP Web AS 640 preview so I've guessed and put it in c:\usr\sap\J2E\J200\j2ee\cluster\server0\bin\ext\ (is this correct?)

It then says to add items to library.txt but this file isn't included in the SAP Web AS 640 preview. Is there a different file that needs to be modified?

Is the functionality available in the SAP Web AS 640 preview to use a custom JAAS login module?

Thanks.