.topbj {
	background-attachment: fixed;
	background-image: url(image/top.JPG);
	background-repeat: no-repeat;
	background-position: left top;
}
.bjlxwm {
	background-attachment: fixed;
	background-image: url(image/lxwmbj1.jpg);
	background-repeat: no-repeat;
	background-position: left bottom;
}