When i browse to a web page with a username and password, firefox displays a drop-down list with saved usernames, this list includes saved usernames and passwords from a number of other sites. these sites are all for the same domain, but not the same site. How do i limit the list to only include saved passwords from the current host. for example, if I am on site http://www.example.com, the saved passwords lists entries for http://admin.example.com , http://portal.example.com , ...