Assign j_user value to a java variable in umLogonPage.jsp

Hi All
I need to do some post processing immediately after login and require the user id for the same. So how do we acess the value in the user id field and assign it to a java variable in the umLogonPage.jsp..??
Java specific forums claim that this is not possible directly and can be only done on submit function or through hidden fields in the form. Any ideas with regard to the form that is present in umLogonPage.jsp..??
Thanks
Deepak

Hi,
we use this for saving the login time of the user. There are few therads about creating a custom login module (for example: [Custom Login Module - how to go on |http://forums.sdn.sap.com/thread.jspa?threadID=357616]).
We have created a login module which extends AbstractLoginModule, in login() method :
public boolean login() throws LoginException {
Object option = g_sharedState.get("javax.security.auth.login.name");
if (option != null && !option.equals("")) {
String l_userID = (String)option;
IUserAccount l_account = UMFactory.getUserAccountFactory().getUserAccountByLogonId(l_userID);
IUserAccount mutableAccount = accountFactory.getMutableUserAccount(account.getUniqueID());
l_mutAccount.setLastSuccessfulLogonDate(new Date());
l_mutAccount.commit();
about login modules and login stacks start here: [http://help.sap.com/saphelp_nw04/helpdata/en/8c/f03541c6afd92be10000000a1550b0/frameset.htm|http://help.sap.com/saphelp_nw04/helpdata/en/8c/f03541c6afd92be10000000a1550b0/frameset.htm]
Hope this helps,
Romano

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Message was edited by:
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