#2dbody {
	height: 370px;
	width: 750px;
	background-image: url(../html_images/layout/body_area.jpg);
	background-color: #FFF;
}
#2dtn {
	background-image: url(../html_images/layout/body_navi.jpg);
	height: 370px;
	width: 150px;
}