Good question (though I got it wrong :(). The only quibble I have with the formatting is the use of the term "function(s)" in the question.
The "(s)" doesn't make sense in that context, since only 1 function choice is possible with radio buttons.
Thanks,
webrunner
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A SQL query walks into a bar and sees two tables. He walks up to them and asks, "Can I join you?"
Ref.: http://tkyte.blogspot.com/2009/02/sql-joke.html