hi 
i have two questions:

1- i want to download a website needs authentication 
(username,password)
what should i do?
2 -  i want to download the messages of yahoo group
for example:
<http://groups.yahoo.com/group/group/messages/41002?expand=1>
but if i put this url in winhttrack the yahoo always take 
me to the login page
so how i can do that and i only want to download the 
messages expanded not any thing else.

thanks