var imglist = new Array(
	"img/bg01.jpg",
	"img/bg02.jpg",
	"img/bg03.jpg",
	"img/bg04.jpg",
	"img/bg05.jpg" );
var selectnum = Math.floor((Math.random() * 100)) % imglist.length;
var output = "<img src=" + imglist[selectnum] + " class='bgimg' />";
document.write(output);

/*-- fadeIn --*/
$(function() {
	$('.bgimg').fadeIn(450, function() {
	});
});