/* 
jQuery shuffle 

Copyright (c) 2008 Ca Phun Ung 
Dual licensed under the MIT (MIT-LICENSE.txt) 
and GPL (GPL-LICENSE.txt) licenses. 

http://yelotofu.com/labs/jquery/snippets/shuffle/ 

Shuffles an array or the children of a element container. 
This uses the Fisher-Yates shuffle algorithm 
*/ 

(function($){
$.fn.shuffle = function() { 
return this.each(function(){ 
var items = $(this).children(); 
return (items.length) ? $(this).html($.shuffle(items)) : this; 
}); 
} 
$.shuffle=function(arr) { 
for(var j, x, i = arr.length; i; j = parseInt(Math.random() * i), x = arr[--i], arr[i] = arr[j], arr[j] = x); 
return arr; 
} 
})(jQuery);