body {
		font-family: arial, helvetica, serif;
	}
	
	#nav, #nav ul { /* all lists */
		padding: 0;
		margin: 0;
		list-style: none;
		float : left;
		height:50px;
		width : 11em;
	
	}
	
	#nav li { /* all list items */
		position : relative;
		
		float : left;
		line-height : 1.25em;
		margin-bottom : -1px;
		width: 11em;
	}
	
	#nav li ul { /* second-level lists */
		position : absolute;
		left: -999em;
		margin-left : 11.05em;
		margin-top : -2em;
	}
	
	#nav li ul ul { /* third-and-above-level lists */
		left: -999em;
		margin-top:-14px;
	}
	
	#nav li a {
		background-image:url(../site_imgs/css/menu_bg.gif);
		background-position:center left;
		width: 10em;
		display : block;
		color : black;
		font-weight : bold;
		text-decoration : none;
		background-color : white;
		border : 1px solid black;
		padding : 0 0.5em;
		margin-top:5px;
	}
	#nav li ul li a {
		
		background-image:url(../site_imgs/css/menu_bg.gif);
		background-position:center left;
		width: 10em;
		display : block;
		color : black;
		font-weight : bold;
		text-decoration : none;
		border : 2px solid black;
		padding : 0 0.5em;
		margin-top:1.5px;
		}
	
	#nav li a:hover {
		color : white;
		background-color : black;
	}
	
	#nav li:hover ul ul, #nav li:hover ul ul ul, #nav li.sfhover ul ul, #nav li.sfhover ul ul ul {
		left: -999em;
	}
	
	#nav li:hover ul, #nav li li:hover ul, #nav li li li:hover ul, #nav li.sfhover ul, #nav li li.sfhover ul, #nav li li li.sfhover ul { /* lists nested under hovered list items */
		left: auto;
	}
	
	#content {
		margin-left : 12em;
	}