Smoking is really a addiction and not easy to quit all of sudden. But good thing is there are many rehabilition center for helping to get rid of these habits. Try them and make a great change in your life.
Start one day at a time.
If your smoke 10 sticks a day, try to smoke smoke less stick a day. Bad habits are hard to forget so why not build a habit of smoking less a day and not totally quit smoking in one day.
try this one. maybe it could help...