.hanshin a {
      background: url(image/hanshin_button.gif) no-repeat 0 -42px;
	  width:293px;
	  height:42px;
	  overflow:hidden;
	  text-indent: -9999px;
	  display:block;
}
.hanshin a:hover {
      background: url(image/hanshin_button.gif) no-repeat ;
}
.west a {
      background: url(image/west_button.gif) no-repeat 0 -42px;
	  width:293px;
	  height:42px;
	  overflow:hidden;
	  text-indent: -9999px;
	  display:block;
}
.west a:hover {
      background: url(image/west_button.gif) no-repeat ;
}
.east a {
      background: url(image/east_button.gif) no-repeat 0 -42px;
	  width:293px;
	  height:42px;
	  overflow:hidden;
	  text-indent: -9999px;
	  display:block;
}
.east a:hover {
      background: url(image/east_button.gif) no-repeat ;