#nav {
	padding: 10px 0 0;
	height: 53px;
	overflow: hidden;
	background: url(interface/cidic.png) repeat-x top;
	position: relative;
}
#nav 
ul {
	list-style: none;
	margin: 0 auto;
	padding: 0;
	width: 505px;
}
#nav 
li {
	float: left;
}
#nav 
a {
	display: block;
	width: 100px;
	height: 43px;
	float: left;
	text-indent: 145px;
	overflow: hidden;
	background-image: url(interface/cidic.png);
}
#home_button 
a {
	width: 117px;
	background-position: 0 -63px;
}
#about_button 
a {
	width: 145px;
	background-position: 0 -106px;
}
#work_button 
a {
	width: 119px;
	background-position: 0 -149px;
}
#links_button 
a {
	width: 124px;
	background-position: 0 -192px;
}
#home_button 
a:hover {
	background-position: -145px -63px;
}
#about_button 
a:hover {
	background-position: -145px -106px;
}
#work_button 
a:hover {
	background-position: -145px -149px;
}
#links_button
a:hover {
	background-position: -145px -192px;
}
#nav 
div {
	width: 10px;
	height: 63px;
	position: absolute;
	top: 0;
	background-image: url(interface/cidic.png);
}
#nav 
.w {
	left: 0;
	background-position: -290px -63px;
}
#nav 
.e {
	right: 0;
	background-position: -300px -63px;
}