#main_navigation
{	margin: 0;
	padding: 0}
	
	#main_navigation li
	{	float: left;
		list-style: none;
		font: 12px Tahoma, Arial}

	#main_navigation li a
	{
	display: block;
	background: #202e37;
	padding: 5px 10px 5px 10px;
	text-decoration: none;
	border-right: 1px solid black;
	width: auto;
	color: #FFFFFF;
	white-space: nowrap;
}

	#main_navigation li a:hover
	{	background: #999;}
		
		#main_navigation li ul
		{	margin: 0;
			padding: 0;
			position: absolute;
			z-index:10;
			visibility: hidden;
			border-top: 1px solid black}
		
		#main_navigation li ul li
		{	float: none;
			display: inline}
			position: absolute;
			z-index:10;
		
		#main_navigation li ul li a
		{	width: auto;
			background: #ccc;}
			position: absolute;
			z-index:10;
		
		#main_navigation li ul li a:hover
		{	background: #999;}