function ShowHideLayers() { //v9.0
  var i,p,v,obj,args=ShowHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3)
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'block':(v=='hide')?'none':v; }
    obj.display=v; }
}


function toggledisplay(id,Pfeil){
	if(document.getElementById){
		var obj=document.getElementById(id);
		var pic=document.getElementsByName(Pfeil);
		obj.style.display=(obj.style.display=='block'?'none':'block');
		pic[0].src=(obj.style.display=='block'?'/images/pfeil_ov.png':'/images/pfeil.png');
		}
		else if(document.all){id.style.display=(id.style.display=='block'?'none':'block');
		Pfeil.src=(id.style.display=='block'?'/images/pfeil_ov.png':'/images/pfeil.png');
		}
		else if(document.layers){document.id.style.display=(document.id.style.display=='block'?'none':'block');
		document.Pfeil.src=(document.id.style.display=='block'?'/images/pfeil_ov.png':'/images/pfeil.png')
		}
	}