Login/Logoff for AS/400 Servlet

Hi All,
I create a servlet that add record to  AS/400 file from Browser and it
working great (using toolbox and RecordLevel Access). Now I try to add a
Logoff/Login function, once the logoff button pressed, the next request to
write to AS/400 is supposed to pop-up a login box again. Here is what I got
:

OBSERVATION :
The login pop-up only appear once for the first request after  I start the
servlet engine (JWSDK 1.0.1 on PC). But for next request or if I close and
re-open the Browser it won't pop-up the login box again. I'm pretty sure I
disconnectAllService() on my servlet (and watch no suspicios job hang on
wrkactjob) 
The only way to make it show up again is to stop and re-start the servlet
engine.

QUERY :
Could someone share the experience on how to create a logoff and login
Process, what technique should I use ? 
I'm expecting the login box can appear many times for one servlet instance.

Thank you in advance for your help.

regards,
Ivan. L





+---
| This is the JAVA/400 Mailing List!
| To submit a new message, send your mail to JAVA400-L@midrange.com.
| To subscribe to this list send email to JAVA400-L-SUB@midrange.com.
| To unsubscribe from this list send email to JAVA400-L-UNSUB@midrange.com.
| Questions should be directed to the list owner: joe@zappie.net
+---