callone.js

function myFunction() {
	function firstGuy() {
		return 'first one';
	}
	function secondGuy() {
		return 'second one';
	}
	function thirdGuy() {
		return 'third one';
	}
	var possibilities = [firstGuy, secondGuy, thirdGuy];
	return possibilities[Math.floor((Math.random() * 3) + 1)]();
}