if (!Array.prototype.shuffle) {
Array.prototype.shuffle = function() {
for(var j,i = this.length; i; j = parseInt(Math.random() * i),x = this[--i],this[i] = this[j],this[j] = x);
return this;
};
}

document.write("A = ","
A.shuffle() = ",a.shuffle());

//]]>