div#ulnav2 {
	margin-left: auto;
	margin-right: auto;
	margin-bottom: 0px;
	margin-top: 13px;
	padding: 0;
	width: 660px;
	clear: both;
	height: 25px;
	background-image: url(/images/linea_bg2.gif);
	background-repeat: repeat-x;
	background-position: bottom;
	 /*
	position: absolute;
	top: 77px;
	left: 0; */
}

#nav2 {
	margin: 0;
	padding: 11;
	height: 25px;
	list-style: none;
	display: inline;
	overflow: hidden;
	width: 660px;

	}

#nav2 li {
	margin: 0; 
	padding: 0;
   list-style: none;
	display: inline;
	}

#nav2 a {
	float: left;
	padding: 20px 0 0 0;
	overflow: hidden;
	margin-left: 25px;
	height: 0px !important; 
	height /**/:25px; /* for IE5/Win only */
	}
	
#nav2 a:hover {
	background-position: 0 -25px;
	}

#nav2 a:active, #nav2 a.selected {
	background-position: 0 -50px;
	}
	
	
/* rules */


	
#tperspectivas a  {
	width: 57px;
	background: url(/images/nav_perspectivas.gif) top left no-repeat;
	}
	
#tplanos a  {
	width: 41px;
	background: url(/images/nav_planos.gif) top left no-repeat;
	}
	
#tanimaciones a  {
	width: 53px;
	background: url(/images/nav_animaciones.gif) top left no-repeat;
	}
	
#tarquitectura a  {
	width: 57px;
	background: url(/images/nav_arquitectura.gif) top left no-repeat;
	}
	
#tcd a  {
width: 71px;
background: url(/images/nav_cd.gif) top left no-repeat;
	}

#tict a  {
width: 12px;
background: url(/images/nav_ict.gif) top left no-repeat;
	}

	#tict a  {
width: 80px;
background: url(/images/nav_luz.gif) top left no-repeat;
	}