JDBC - CURSORS and scrolling throught large tables

Hello everybody!

I need advice on next problem:

I have servlet that performs SQL query to iSeries DB2 database. I use 
AS400JDBCDriver to access DB... Evrything is OK and everything works fine.

Now, what I'm interested in?

I need advice how to FETCH just (in eg.) 20 records in my web-app and 
disply them on html page. When user clicks on the next button I need to 
FETCH next 20 records and so on.
I tried to DECLARE CURSOR and use it for navigation throught records but I 
got message that statement isn't alowed.

I believe that there is solution because I'm already using web-app that 
scrolls throught DB table...

It would be nice if you can recomend me some literature avaiable in 
Information Centre.

Thanks,
Igor Bešlić, dipl. ing. rač. 
VOLKSBANK d.d.
OJ Informatika
Zelinska 2, 10000 Zagreb
tel: +385 1 6326422