To retrieve your password we need your basic data - your e-mail address which you'd given during registration and your login.
You will provide us with your data and we will send your old password on e-mail you had given during your registration.
If you lose or forget your password and you ask for its reminding, we suggest that after logging in you should change your password on the new one - you never know whether somebody has already used your password.

write in an e-mail you have given during your registration
write in your Nick