Help a JS virgin find that sweet spot

I'm practicing JS by trying to make a rock, paper, scissor game. 

I have failed.

Can /prog/ help a nigga out?

http://pastebin.com/2Sq06a0c

Everything is appreciated, just keep in mind I'm new as fuck to programming.

>>9
The ``wonders of dynamic typing'' brought to you by the language with the second-worst coercion rules, that is.