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// FROM: http://us5.campaign-archive2.com/?u=ea228d7061e8bbfa8639666ad&id=be8ff9ee56&e=ff0570c0b6
function doSomething (condition) {
  var stuff = {
    'one': function () {
      return 'one';
    },

    'two': function () {
      return 'two';
    },

    'three': function () {
      return 'three';
    }
  };

  if (typeof stuff[condition] !== 'function') {
    return 'default';
  }


  return stuff[condition]();
}