// (C) Stephen "felgall" http://www.codingforums.com/showthread.php?t=252059
 
Array.prototype.shuffle = function() {
   var s = [];
   while (this.length) s.push(this.splice(Math.random() * this.length, 1));
   while (s.length) this.push(s.pop());
   return this;
}
						

//javascript/136