Cocaine Addiction & Recovery Support Group
Cocaine addiction is the excessive intake of cocaine, and can result in physiological damage, lethargy, depression, or a potentially fatal overdose. Though the immediate craving to do more cocaine is strong and very common, this feeling usually subsides in most users within an hour. This craving can, as it has in many users, develop rather quickly into an intense...

http://addictiontreatmentchallenges.com/addiction-treatment/drug-addiction-and-alcoholism-treatment-the-4-phases-part-3-of-4
There is also a treatment plan called Smart Recovery, which is a non-religious 12-step program.
http://www.smartrecovery.org/
And this last link is from the smart recovery site. It is for friends and family of addicts.
http://www.smartrecovery.org/resources/library/For_Family_Volunteers_Professionals/those_who_care.htm
Just to give you a little information on things other than the traditional 12 step programs.