j_security_check & custom form

Gi I am developing a web application and using j_security_check for user authorisation but I would like to add a drop down menu to the form so a language can be selected for the pages
[190 byte] By [au048a] at [2007-10-2 16:35:35]
# 1
After I re-read the post to make some sense out of it I have to addI have already added the drop down but how can I retrieve what is being selected after user presses login button
au048a at 2007-7-13 17:41:16 > top of Java-index,Enterprise & Remote Computing,Web Tier APIs...