a.navi5_1:Link, a.navi5_1:Visited, a.navi5_1:Hover, a.navi5_1:Active {
	display:block;
	width:163px;
	height:23px;
	background:url('../images/navigation/aktuellestudien_1.gif') no-repeat;	
}

a.navi5_1:Hover {
	background:url('../images/navigation/aktuellestudien_1_on.gif') no-repeat;	
} 

.navi5_1 span {
	display:none;
}