Login with wrong password , web address changed

Dear all, Whenever user login to domino web application , if password is incorrect, this message will shown :

"You provided an invalid username or password.Please sign in again: "

and the web address auto changed to something like this

http://servername .com/names.nsf?Login”

so , if user not aware of it, user will try keep enter the password again and can’t login to it .

how can i avoid the change of address, i want the web address remain unchanges .

i checked the domcfg.nsf , did not find out where it specify !!

Please help if you have any idea .

Thank you very much.

Regards,