#top-nav {
  list-style: none;
	float:right;
width:601px;
padding:0px;
margin:100px 0px 0px -50px;
}

#top-nav li {
  float: left;
}

#top-nav a * {
  display: none;
}

#top-nav a,
#top-nav a .hover {
	height: 58px;
	position: relative;
	display: block;
	background-image: url(../../images/menuback.jpg);
	background-repeat: no-repeat;
	background-position: 0 0;
	behavior: url(css/iepngfix.htc);
	cursor:pointer;
}

/* individual top-nav items */
#top-nav a.mb1 {
  background-position: 0 0;
  width: 150px;
}

#top-nav .highlight a.mb1:hover,
#top-nav a.mb1 .hover {
	background-position: 0 -71px;
	width: 150px;
}

#top-nav a.mb2 {
	background-position: -150px 0px;
	width: 146px;
}

#top-nav .highlight a.mb2:hover,
#top-nav a.mb2 .hover {
  background-position: -150px -71px;
}

#top-nav a.mb3 {
  background-position: -296px 0px;
  width: 153px;
}

#top-nav .highlight a.mb3:hover,
#top-nav a.mb3 .hover {
  background-position: -296px -71px;
}

#top-nav a.mb4 {
	background-position: -449px 0px;
	width: 152px;
}

#top-nav .highlight a.mb4:hover,
#top-nav a.mb4 .hover {
 background-position: -449px -71px;
}