Resources that could help you and have helped me
They have a simple 3 step process to quit or stop smoking weed and many other addictions for that matter.
Here are some of the forums I'm familiar with on helping you too:
Cannabis Coach is also available.
I think you have to pay for this too, but if the guide can't help you, this could be a good step in the right direction too.
I haven't tried this detox, but people say its one of the best out there:
This is the guide I am using. Very good indeed. But you need to be patient and stick to the plan.