gistfile1.txt

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    'flor' : {
      'bg' : "images/bg_flor.gif",
      'cor' : "#5baa64",
      'gif' : "images/flor.gif"
    },
    'portuga' : {
      'bg' : "images/bg_portuga.gif",
      'cor' : "#986433",
      'gif' : "images/portuga.gif"
    },
    'mariachi' : {
      'bg' : "images/bg_mariachi.gif",
      'cor' : "#5baa64",
      'gif' : "images/mariachi.gif"
    }
  };

  var size = description.length
  var x = Math.floor(size*Math.random())
  document.getElementById('latino').src=description.x[gif];
  </script>