#main-menu {
	position: absolute;
	left: 315px;
	top: 49px;
	width: 600px;
	height: 20px;
	padding: 0;
	margin: 0;
	}
	
	
#main-menu li {
	margin: 0;
	padding: 0;
	list-style: none;
	float: left;
	}
	
	#main-menu a {
		display: block;
		height: 20px;
		text-indent: -9000px;
		overflow: hidden;
		background-image: url(main-menu-a.gif);
		}
		
#mm-about 		{	width: 85px; background-position: 0 0; }
#mm-our-people 	{ 	width: 95px; background-position: -85px 0; }
#mm-what-we-do 	{ 	width: 110px; background-position: -180px 0; }
#mm-contact 	{ 	width: 105px; background-position: -290px 0; }
#mm-why			{	width: 165px; background-position: -390px 0; }

#mm-about:hover			{	background-position: 0 -20px; }
#mm-our-people:hover 	{ 	background-position: -85px -20px; }
#mm-what-we-do:hover 	{ 	background-position: -180px -20px; }
#mm-contact:hover 		{ 	background-position: -290px -20px; }
#mm-why:hover			{	background-position: -390px -20px; }

#mm-about.selected			{	background-position: 0 -40px; }
#mm-our-people.selected 	{ 	background-position: -85px -40px; }
#mm-what-we-do.selected 	{ 	background-position: -180px -40px; }
#mm-contact.selected 		{ 	background-position: -290px -40px; }	
#mm-why.selected			{	background-position: -390px -40px; }