function anaustmp(id){
	if (document.getElementById(id).style.display == 'none') {
		document.getElementById(id).style.display = "";
    document.getElementById("img" + id).src = "/images/zu.jpg";
		document.getElementById("img" + id).alt = "ausblenden";
    document.getElementById("img" + id).title = "Klicke hier, um den Bereich auszublenden.";
	} else {
		document.getElementById(id).style.display = "none";
    document.getElementById("img" + id).src = "/images/auf.jpg";
		document.getElementById("img" + id).alt = "einblenden";
    document.getElementById("img" + id).title = "Klicke hier, um den Bereich einzublenden.";
	}
}

function togglenavi(id){
	if (document.getElementById("nav" + id).style.display == 'none') {
	  document.getElementById("nav1").style.display = "none";
    document.getElementById("nav2").style.display = "none";
    document.getElementById("nav" + id).style.display = "";
    document.cookie = "kat_nav=" + id + "; path=/";
	}
}

function getnavstate(id){
	cw = CookieLesen();
  if("" == cw){
  	if ("1" == id){
    	return("display:display");
    } else {
    	return ("display:none");
    }
  } else {
  	if(cw == id){
   		return("display:display");
    } else {
    	return ("display:none");
    }
  }
}

function CookieLesen() {
	Wert = "";
  if(document.cookie){
  	Wert = document.cookie;
  	Wert = Wert.slice(Wert.indexOf("=")+1,Wert.length);
  }
return Wert;
}