I believe what Yellow Mustang Girl was saying is when you log in to , there is a little box that says "Remember Me". Make sure that is checked.

As for what I was saying, it is possible that it is your web browser that isn't remembering your password and thus is requiring a password every time. Try one o these:

If you are using firefox:
Go to FIle>Preferences and then click the "Security Tab". Make sure that Remember Passwords for sites is checked.

In Internet Explorer:
I found a great troubleshot page with pictures on what you can try if IE isn't remembering your passwords: Internet Explorer: “Remember my password” ticked, doesn’t remember password? .

Let us know if one of those works.