/* UL for main navigation */
#main_nav {
	position: absolute;
	background: url(../images/ll_main_menu.png) no-repeat;
	width: 384px;
	height: 32px;
	z-index: 20;
	}
	
/* LI for main navigation */
#main_nav li {
	position: absolute;
	list-style: none;
	}

/* Defines size for list items and links */	
#main_nav li, #main_nav a {
	height: 32px;
	width: 96px;
	display: block;
	}

/* Hides text labels of links */
#main_nav a {
	text-indent: -5000px;
	text-decoration: none;
	}
	
/* Positions clickable button areas */
#nav_pos1 {left: 0px; top: 0px;}
#nav_pos2 {left: 96px; top: 0px;}
#nav_pos3 {left: 192px; top: 0px;}
#nav_pos4 {left: 288px; top: 0px;}

/* Assigns and positions background image for hover states */
#nav_pos1 a:hover, #nav_pos1 a:visited:hover {
	background: transparent url(../images/ll_main_menu.png) no-repeat 0px -32px;
	}
#nav_pos2 a:hover, #nav_pos2 a:visited:hover {
	background: transparent url(../images/ll_main_menu.png) no-repeat -96px -32px;
	}
#nav_pos3 a:hover, #nav_pos3 a:visited:hover {
	background: transparent url(../images/ll_main_menu.png) no-repeat -192px -32px;
	}
#nav_pos4 a:hover, #nav_pos4 a:visited:hover {
	background: transparent url(../images/ll_main_menu.png) no-repeat -288px -32px;
	}