If you are really addicted to gambling then you need a self discipline and a motivation on why you should get out of that addiction. Maybe you can start little by little. Many of us here already mention some of the ways and i think you can corporate some of it. It may help you a lot.
Gambling addiction is hard to treat, its a mental or emotional disease when there is no medicinal cure. It always start with the addicted gamblers on his acceptance that he really is addicted. I must say one can be easily addicted with gambling if he has let his emotions control his decision making.