#top_nav {
	width:960px;
	margin:5px auto 25px;
	padding:0;
	clear:right
}
#top_nav ul{
	background-color:#eee; 
	width:960px;
	margin:0 auto 0;
	padding:0;
	height:80px
}
#top_nav ul li{
	padding:0;
	float:left;
	list-style:none;
	margin:0
}
#top_nav ul a{
	background-color:#ac0; 
	width:118px;
	margin:0 2px 0 0;
	padding:60px 0 0 0;
	text-align:center;
	display:block;
	height:20px;
	color:#fff;
	text-decoration:none;
	font-size:9pt;
	font-weight:bold;
	text-transform:uppercase
}
#top_nav ul a:hover{
	background-color:#666; 
	color:#000;
}

#home {
	background-image:url('images/home.gif');
	background-repeat:no-repeat;
	background-position:center 0
}
#home:hover {
	background-position:center -80px
}
#aboutus {
	background-image:url('images/aboutus.gif');
	background-repeat:no-repeat;
	background-position:center 0
}#aboutus:hover {
	background-image:url('images/aboutus.gif');
	background-repeat:no-repeat;
	background-position:center -80px
}
#product {
	background-image:url('images/product.gif');
	background-repeat:no-repeat;
	background-position:center 0
}#product:hover {
	background-image:url('images/product.gif');
	background-repeat:no-repeat;
	background-position:center -80px
}


#directory {
	background-image:url('images/directory.gif');
	background-repeat:no-repeat;
	background-position:center 0
}#directory:hover {
	background-image:url('images/directory.gif');
	background-repeat:no-repeat;
	background-position:center -80px
}
#faq {
	background-image:url('images/faq.gif');
	background-repeat:no-repeat;
	background-position:center 0
}
#faq:hover {
	background-image:url('images/faq.gif');
	background-repeat:no-repeat;
	background-position:center -80px
}
#contact {
	background-image:url('images/contact.gif');
	background-repeat:no-repeat;
	background-position:center 0
}
#contact:hover {
	background-image:url('images/contact.gif');
	background-repeat:no-repeat;
	background-position:center -80px
}
#article {
	background-image:url('images/article.gif');
	background-repeat:no-repeat;
	background-position:center 0
}
#article:hover {
	background-image:url('images/article.gif');
	background-repeat:no-repeat;
	background-position:center -80px
}
#invite{
	background-image:url('images/invite.gif');
	background-repeat:no-repeat;
	background-position:center 0
}
#invite:hover {
	background-image:url('images/invite.gif');
	background-repeat:no-repeat;
	background-position:center -80px
}