function navil(tab){
    	var bc_norm = 'rgb(241,248,255)';
	var bc_new = 'rgb(239,223,205)';
	    
	var l_norm = '1px solid rgb(208,229,255)';
	var l_new = '1px solid rgb(239,140,33)';
	
    	//var bc_norm = 'rgb(239,223,205)';
	//var bc_new = 'rgb(241,248,255)';
	    
	//var l_norm = '1px solid rgb(239,140,33)';	
	//var l_new = '1px solid rgb(208,229,255)';
	
   	document.getElementById("uebersicht").style.backgroundColor = bc_norm;
   	document.getElementById("preise").style.backgroundColor = bc_norm;	
   	document.getElementById("umgebung").style.backgroundColor = bc_norm;
   	document.getElementById("kontakt").style.backgroundColor = bc_norm;
   	document.getElementById("route").style.backgroundColor = bc_norm;
   	document.getElementById("google").style.backgroundColor = bc_norm;
   	document.getElementById("weiter").style.backgroundColor = bc_norm;
   	document.getElementById("buchungsplan").style.backgroundColor = bc_norm;
	
	document.getElementById("uebersicht").style.borderRight = l_norm;
   	document.getElementById("preise").style.borderRight =l_norm;
   	document.getElementById("umgebung").style.borderRight = l_norm;
   	document.getElementById("kontakt").style.borderRight = l_norm;
   	document.getElementById("route").style.borderRight = l_norm;
   	document.getElementById("google").style.borderRight = l_norm;
   	document.getElementById("weiter").style.borderRight = l_norm;
   	document.getElementById("buchungsplan").style.borderRight = l_norm;
	document.getElementById(tab).style.borderRight = l_new;
	
	document.getElementById("uebersicht").style.borderBottom = l_norm;
   	document.getElementById("preise").style.borderBottom = l_norm;
   	document.getElementById("umgebung").style.borderBottom = l_norm;
   	document.getElementById("kontakt").style.borderBottom = l_norm;
   	document.getElementById("route").style.borderBottom = l_norm;
   	document.getElementById("google").style.borderBottom = l_norm;
   	document.getElementById("weiter").style.borderBottom = l_norm;
   	document.getElementById("buchungsplan").style.borderBottom = l_norm;
	document.getElementById(tab).style.borderBottom = l_new;
	
   	document.getElementById(tab).style.backgroundColor = bc_new;
	
   
   }
   
   function go(tab){
   location.href=document.getElementById('l'+tab).href;
   }