Where is the Logon Box

From: hon123456 (peterhon321_at_yahoo.com.hk)
Date: 09/30/04 

Date: 29 Sep 2004 23:49:25 -0700

Dear all,
        
         I have new XP, on the log in page, I can type username and
password. But there is no input box for me to specify which domain or
computer to login.
Please suggest how to add this input box.

Thanks.