.bk_img {
	background-image: url(images/bk_img.gif);
	background-repeat: repeat;
}
.waku_line {
	background-image: url(images/waku_line.gif);
	background-repeat: repeat-y;
}
.bkwaku_img {

	background-image: url(images/bk_waku.gif);
	background-repeat: repeat;
}