a.etc-link01 {
	background-image:url(../images/ban1a.jpg);
	background-repeat:no-repeat;
	height: 38px;
	width: 135px;
	display:block;
}
a.etc-link01:hover {
	background-image:url(../images/ban1b.jpg);
}
a.etc-link02 {
	background-image:url(../images/ban2a.jpg);
	background-repeat:no-repeat;
	height: 38px;
	width: 162px;
	display:block;
}
a.etc-link02:hover {
	background-image:url(../images/ban2b.jpg);
}
a.etc-link03 {
	background-image:url(../images/ban3a.jpg);
	background-repeat:no-repeat;
	height: 38px;
	width: 243px;
	display:block;
}
a.etc-link03:hover {
	background-image:url(../images/ban3b.jpg);
}