div#ulnav {
	margin-left: auto;
	margin-right: auto;
	margin-bottom: 0px;

	padding: 18px 0 0 0;
	width: 660px;
	clear: both;
	height: 25px;
	background-image: url(/images/lineaa.gif);
	background-repeat: repeat-x;
	background-position: bottom;
	

}

#nav {

	margin-top:50px;
	padding: 11;
	height: 25px;
	list-style: none;
	display: inline;
	overflow: hidden;
	width: 560px;

	}

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

#nav a {
	float: left;
	padding: 25px 0 0 0;
	overflow: hidden;
	margin-right: 50px;
	height: 0px !important; 
	height /**/:25px; /* for IE5/Win only */
	}
	
#nav a:hover {
	background-position: 0 -25px;
	}

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

#tempresa a  {
	width: 47px;
	background: url(/images/nav_empresa.gif) top left no-repeat;
	}
	
#tserv a  {
	width: 44px;
	background: url(/images/nav_servicios.gif) top left no-repeat;
	}
	
#tclien a  {
	width: 40px;
	background: url(/images/nav_clien.gif) top left no-repeat;
	}
	
#tconta a  {
	width: 47px;
	background: url(/images/nav_conta.gif) top left no-repeat;
	}
	
#tportafolio a  {
	width: 60px;
	background: url(/images/nav_portafolio.gif) top left no-repeat;
	}