#main-body {
	position: relative;
	width: 982px;
	height: 1100px;
	margin: 0 auto;
	padding-bottom: 61px;
	display: block;
}

#main-body2 {
	position: absolute;
	left: -9999px;
	top: -9999px;
	display: none;
}

#bt-layout1 a {
 background: url(../images/bt_layout1_on.gif) 0 0 no-repeat;
}

#bt-layout2 a {
 background: url(../images/bt_layout2.gif) 0 0 no-repeat;
}