The easiest way to show this kind of nonsense up is just to quote Leviticus at them:

* Don't let cattle graze with other kinds of Cattle (Leviticus 19:19)


* Don't have a variety of crops on the same field. (Leviticus 19:19)


* Don't wear clothes made of more than one fabric (Leviticus 19:19)


* Don't cut your hair nor shave. (Leviticus 19:27)


* Any person who curseth his mother or father, must be killed. (Leviticus 20:9)


* If a man cheats on his wife, or vise versa, both the man and the woman must die. (Leviticus 20:10)


* If a man sleeps with his father's wife... both him and his father's wife is to be put to death. (Leviticus 20:11)


* If a man sleeps with his wife and her mother they are all to be burnt to death. (Leviticus 20:14)


* If a man or woman has sex with an animal, both human and animal must be killed. (Leviticus 20:15-16)


* If a man has sex with a woman on her period, they are both to be "cut off from their people" (Leviticus 20:18)


* Psychics, wizards, and so on are to be stoned to death. (Leviticus 20:27)


* If a priest's daughter is a whore, she is to be burnt at the stake. (Leviticus 21:9)


* People who have flat noses, or is blind or lame, cannot go to an altar of God (Leviticus 21:17-18)


* Anyone who curses or blasphemes God, should be stoned to death by the community. (Leviticus 24:14-16)



Source: http://biblebabble.curbjaw.com/laws.htm