a.nav:link {
	color:#000000;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10pt;
	font-weight: bold;
}
a.nav:visited {
	color:#000000;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10pt;
	font-weight: bold;
}
a.nav:hover {
	text-decoration: underline;
	color:#000000;
	background-color: #ddd; 
	font-weight: bold;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10pt;
}
a.nav:active {
	text-decoration: underline;
	color:#000000;
	background-color: #ddd; 
	font-weight: bold;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 10pt;
}

#nav_grau {
	background:#ddd;
	margin:0px 0px 0px 0px;
	padding:0px 0px 0px 0px;
}

#nav_weiss {
	background:#fff;
	margin:0px 0px 0px 0px;
	padding:0px 0px 0px 0px;
}