html, body{
	height: 100%;
}
.bgi_1{
	background-image: url(bb_img/index_base_r10_c2.jpg);
	background-repeat:repeat-y;
}
.bgi_2{
	background-image: url(bb_img/index_base_r10_c9.jpg);
	background-repeat:repeat-y;
}
.bgi_3{
	background-image: url(bb_img/index_base_r15_c2.jpg);
	background-repeat:repeat-y;
}
.bgi_4{
	background-image: url(bb_img/index_base_r15_c10.jpg);
	background-repeat:repeat-y;
}
.bgi_5{
	background-image: url(index_img/index_base_r13_c11.jpg);
	background-repeat:repeat-y;
}
.bgi_6{
	background-image: url(index_img/index_base_r13_c23.jpg);
	background-repeat:repeat-y;
}
.bgi_7{
	background-image: url(index_img/index_base_r13_c33.jpg);
	background-repeat:repeat-y;
}
.bnr_img{
	margin-bottom: 7px;
}