// Layer Ein-/Ausblenden
function ShowLayer(wert) 
  {
       if (document.layers) 
       {
            obj = eval("document."+wert);
       } 
       else 
       {
            obj = document.getElementById(wert);
	    obj = obj.style;
       } 
       obj.visibility = "visible";
 }
 
function UnshowLayer(wert) 
  {
       if (document.layers) 
       {
            obj = eval("document."+wert);
       } 
       else 
       {
            obj = document.getElementById(wert);
            obj = obj.style;
       } 
       obj.visibility = "hidden";
  }


function hover(imgname,imgsrc){
	document[imgname].src=imgsrc;
	}


function sitemap_ein(id) {
	document.getElementById(id).style.display = "block";
	}
function sitemap_aus(id) {
	document.getElementById(id).style.display = "none";
	}