function show(id)
        {
		if (br5) document.getElementById(id).style.visibility = "visible";
        if (ns4) document.layers[id].visibility = "show"
        if (ie4) document.all[id].style.visibility = "visible"
        }

function tfenster(URL1,URL2,URL3) {  
	parent.frames.menue.location.href=URL1;
	parent.frames.main.location.href=URL2;
	parent.frames.sitemap.location.href=URL3;
}

function tfenster2(URL1,URL2) {  
	parent.frames.menue.location.href=URL1;
	parent.frames.main.location.href=URL2;
}
		
if (top.frames.length != 6) top.location.href="index.htm";