#prev, #next{
	text-indent:-9999px;
	width:55px;
	height:80px;
	margin-top:120px;
	display:block;
	overflow:hidden;
	z-index:100000;
}
#prev{
	background:url(../img/back01.png) no-repeat right;
	float:left;
}
#next{
	float:right;
	background:url(../img/next03.png) no-repeat;
}

#prev:hover{
	width:60px;
}
#next:hover{
	width:60px;
}