#wrapper{
	background:url(image/top_bg.jpg) center top repeat-x;
}
#mainimg{
	width:900px;
	height:331px;
	padding:20px 0 20px;
	margin:0 auto;
	clear:both;
}
#maintext{
	width:890px;
	margin:0 auto 25px;
	padding:0 10px 30px 0;
	border-bottom:1px dotted #CCC;
}
#viewer{
	width:407px;
	height:378px;
	float:left;
	overflow:hidden;
	position:relative;
}
#viewer img{
	top:0;
	left:0;
	position:absolute;
}