.a2 {
	background-image:  url(../waku_img/A2.gif);
	background-repeat: repeat-x;
	background-position: left bottom;
	height: 5px;

}
.a4 {
	background-image:  url(../waku_img/A4.gif);
	background-repeat: repeat-y;
	background-position: left top;
	width: 5px;

}
.a5 {
	background-image:  url(../waku_img/A5.gif);
	background-repeat: repeat-y;
	background-position: left top;
	width: 5px;

}
.a7 {
	background-image:  url(../waku_img/A7.gif);
	background-repeat: repeat;
	background-position: left top;
	height: 5px;

}