#pa_01 a {
	display: block;
	height: 480px;
	width: 31px;
	background-image: url(http://www.fengfeeldesign.org/tora_no_shiryou/switch_img/pa_01.jpg);
	background-repeat: no-repeat;
	text-indent: -9999px;
}
#pa_01 a:link {background-position: 0px 0px}
#pa_01 a:visited {background-position: 0px 0px}
#pa_01 a:hover {background-position: -31px 0px}
#pa_01 a:active {background-position: -31px 0px}

		#pa_02 a {
	display: block;
	height: 480px;
	width: 31px;
	background-image: url(http://www.fengfeeldesign.org/tora_no_shiryou/switch_img/pa_02.jpg);
	background-repeat: no-repeat;
	text-indent: -9999px;
}
#pa_02 a:link {background-position: 0px 0px}
#pa_02 a:visited {background-position: 0px 0px}
#pa_02 a:hover {background-position: -31px 0px}
#pa_02 a:active {background-position: -31px 0px}

		#pa_03 a {
	display: block;
	height: 480px;
	width: 31px;
	background-image: url(http://www.fengfeeldesign.org/tora_no_shiryou/switch_img/pa_03.jpg);
	background-repeat: no-repeat;
	text-indent: -9999px;
}
#pa_03 a:link {background-position: 0px 0px}
#pa_03 a:visited {background-position: 0px 0px}
#pa_03 a:hover {background-position: -31px 0px}
#pa_03 a:active {background-position: -31px 0px}