<style type="text/css">
.container {
	width: 735px;
	margin: 0 auto;
	position: relative;
}
#headermenu {
	margin-right: auto;
	margin-left: auto;
	padding-top: 2px;
	width: 735px;
	height: 35px;
	font-size: 16px;
	line-height: 12px;
}
ul.topnav {
	list-style: none;
	margin: 0;
	width: 735px;
	font-size: 1.0em;
	padding-top: 0;
	padding-right: 20px;
	padding-bottom: 0;
	padding-left: 20px;
	float: none;
}
ul.topnav li {
	float: left;
	margin: 0;	
	padding: 0 15px 0 0;
	position: relative; /*--Declare X and Y axis base--*/
}
ul.topnav li a{
	padding: 10px 5px;
	color: #fff;
	display: block;
	text-decoration: none;
	float: left;
}
ul.topnav li a:hover{
	background: url(../imagenes/menu/topnav_hover.gif) no-repeat center top;
}
ul.topnav li span { /*--Drop down trigger styles--*/
	width: 17px;
	height: 35px;
	float: left;
	background: url(../imagenes/menu/subnav_btn.gif) no-repeat center top;
}
ul.topnav li span.subhover {background-position: center bottom; cursor: pointer;} /*--Hover effect for trigger--*/
ul.topnav li ul.subnav {
	list-style: none;
	position: absolute; /*--Important - Keeps subnav from affecting main navigation flow--*/
	left: 0;
	top: 35px;
	margin: 0;
	padding: 0;
	display: none;
	float: left;
	width: 170px;
	-moz-border-radius-bottomleft: 5px;
	-moz-border-radius-bottomright: 5px;
	-webkit-border-bottom-left-radius: 5px;
	-webkit-border-bottom-right-radius: 5px;
	border: 1px solid #111;
}
ul.topnav li ul.subnav li{
	margin: 0; padding: 0;
	border-top: 1px solid #0161b7; /*--Create bevel effect--*/
	border-bottom: 1px solid #013461; /*--Create bevel effect--*/
	clear: both;
	width: 170px;
}
html ul.topnav li ul.subnav li a {
	float: left;
	width: 145px;
	background: #024f93 url(../imagenes/menu/dropdown_linkbg.gif) no-repeat 10px center;
	padding-left: 20px;
}
html ul.topnav li ul.subnav li a:hover { /*--Hover effect for subnav links--*/
	background: #013b6f url(../imagenes/menu/dropdown_linkbg.gif) no-repeat 10px center; 
}
#header img {
	margin: 20px 0 10px;
}
</style>

