GMail hacked

Hello,
i lost my gmail account password i am sure some one hacked the pwd and also changed all my security questions also but i have my facebook account safe because of different pwd and with same mail id can any one help me plzzzzzzz.....to get my mail again through facebook can i get my account ? and my friends list (email id list also with me) please tell me the process to get back my mail id because i lost my picasa also i lost my all photo memories plzzzzzzzzz how can i get back through face book is it is possible? the only hope for me is facebook with same mail id but with different pwd plzzzzzzzz help me