$(document).ready(function() {
						   
var theImages = new Array('/images/layout/header_1.jpg','/images/layout/header_2.jpg','/images/layout/header_3.jpg')


$('#spot_header').css({'background-image' : 'url('+theImages[(Math.floor(Math.random()*theImages.length))]+')'}).hide().fadeIn("slow");




						   
						   });