/* sub-menu styles */
#nav_link li a{	
	display: block;
}
.sub_menu{
	margin: 0;
	padding: 0;
	position: absolute;
	visibility: hidden;
	display: block;
	margin: -6px 0 0 -20px;
}

.sub_menu ul li a{	
	width: 190px;
	background-color: #ffffff;
	color: #f15b40;
	font-size: 14px;
	font-weight: bold;
	padding: 5px 12px;
	display: inline;
	filter:alpha(opacity=80); /* IE */
	-moz-opacity:0.8;
	-khtml-opacity: 0.8;
	opacity: 0.8;
}

.sub_menu ul li a:hover{	
	background-color: #99a3a9;
}