$(document).ready(function(){
	$("#b2, #b3").hide();
})
$(window).load(function(){
	$("#b2").fadeIn({
		speed: 2000,
		queue: "first",
		preDelay: 5000,
		postDelay: 5000
	});
	$("#b3").fadeIn({
		speed: 2000,
		queue: "first",
	});
})