body {
	background-image: url(../images/bg.jpg);
	background-repeat: repeat-x;
	background-position: top;
	font-size: 12px;
	margin-top: 0px;
}
.tb_bg {
	border: 1px solid #996600;
}
.aisatu {
	background-image: url(../images/index_r5_c1.jpg);
	background-repeat: repeat-x;
	background-position: left top;
	background-attachment: fixed;
}