Help the idiot plox!

Hey. I could use some help hear. i cant get my code to work. yes i know this is stupid as sin but its for a class. I have to place 3 names in order alphabeticly. how the names get in is unimportant, but what i need is the code to sort the names. you all would be tits ass kewl if you could tell me the right lines for this cuz i am tired of failling. lol.

your right it's realy not. but for some reason i am in this class rather than javascripting. i think my school my be retarted. but i still want code. lol