(function($) {
$.fn.randomize = function(childElem) {
	return this.each(function() {
	var $this = $(this);
	var elems = $this.children(childElem);
	elems.sort(function() { return (Math.round(Math.random())-0.5); });  
	$this.remove(childElem);  
	for(var i=0; i < elems.length; i++)
		$this.append(elems[i]);      
	});    
}
})(jQuery);