div#categoryArea{
	margin-bottom:12px;
}

div#categoryArea td{
	padding:1px;
	background-repeat:no-repeat;
	background-position:50% 50%;
}

#categoryArea td#nr_au a{
	background-image:url("../image/au.gif");
}
#categoryArea td#nr_line a{
	background-image:url("../image/line.gif");
}
#categoryArea td#nr_contents a{
	background-image:url("../image/contents.gif");
}
#categoryArea td#nr_solution a{
	background-image:url("../image/solution.gif");
}
#categoryArea td#nr_corporate a{
	background-image:url("../image/corporate.gif");
}
#categoryArea td#nr_csr a{
	background-image:url("../image/csr.gif");
}
#categoryArea td#nr_others a{
	background-image:url("../image/other.gif");
}
#categoryArea td#nr_all a{
	background-image:url("../image/all.gif");
}

#categoryArea td#nr_au a:hover{
	background-image:url("../image/au_on.gif");
}
#categoryArea td#nr_line a:hover{
	background-image:url("../image/line_on.gif");
}
#categoryArea td#nr_contents a:hover{
	background-image:url("../image/contents_on.gif");
}
#categoryArea td#nr_solution a:hover{
	background-image:url("../image/solution_on.gif");
}
#categoryArea td#nr_corporate a:hover{
	background-image:url("../image/corporate_on.gif");
}
#categoryArea td#nr_csr a:hover{
	background-image:url("../image/csr_on.gif");
}
#categoryArea td#nr_others a:hover{
	background-image:url("../image/other_on.gif");
}
#categoryArea td#nr_all a:hover{
	background-image:url("../image/all_on.gif");
}

#categoryArea td a{
	display:block;
	width:300px;
	height:36px;
}

#categoryArea p img{
	display:none;
}
#categoryArea p.current img{
	display:block;
}