What kind of snake is this?

Some tell me it's a rattlesnake, others say it's a gopher or bull snake! I thought it was a baby moccasin, I really need to know what kind it is! I have three small dogs, two acres of land and I'm extremely worried this is a venomous snake! Heres a picture of... show more Some tell me it's a rattlesnake, others say it's a gopher or bull snake! I thought it was a baby moccasin, I really need to know what kind it is! I have three small dogs, two acres of land and I'm extremely worried this is a venomous snake!

Heres a picture of it
http://tinypic.com/view.php?pic=2ic1bw8&s=7

http://tinypic.com/r/x5niu9/7
Update: I live in florida, and have had moccasins in my driveway
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