I would agree that this is the best answer of all.
I would also add to this general suggestion that to help get out of your 'funk' that you read the Bible. Not just a few chapters but maybe a few books.
Beyound that go to church and beyound that do some type of charity work.
Nothing will make you feel better than helping someone else.
Also, if this is more than just an occassional thing certainly see a doctor. There are many wonderful drugs that will help as well as advice a doctor can give on changing things that might be causing your depression.
Why choose? A person should use every tool they can imagine.