body {
	background-color: #FFFFFF;
	background-image: url(image/bg.jpg);
	margin-right: 100px;
	margin-left: 100px;
}
body {
	background-image: url(image/bj.jpg);
}
body {
	background-image: url(image/bj2.jpg);
}
body {
	background-image: url(image/bj.jpg);
}