function switchlayer(Layer_Name,status) {
	var GECKO = document.getElementById? 1:0;
	var NS = document.layers? 1:0;
	var IE = document.all? 1:0 ;
	if (status==0) 
		{ modus="none";}
	if (status==1) 
  		{ modus="inline";}
	if (status==2) 
  		{ modus="block";}
	if (GECKO)
       {document.getElementById(Layer_Name).style.display=modus;}
  	if (NS)
       {document.layers[Layer_Name].display=modus;}
  	if (IE)
       {document.all[Layer_Name].style.display= modus;}
}