#jaLink {
	height: 120px;
	width: 120px;
	position: relative;
	background-repeat: no-repeat;
	clip:  rect(40px auto 40px auto);
}
#jaLink a {
	display: block;
	height: 40px;
	width: 120px;
	top: 40px;
	bottom: 40px;
	position: relative;
}
#jaLink a:hover {
	display: block;
	height: 40px;
	width: 120px;
	background-position: center;
}
a:link, a:visited {
	text-decoration: none;
}
a:hover {
	text-decoration: underline;
}