var ie=document.all;
var nn6=document.getElementById&&!document.all; 

function Pokaz(warstwa){
	if (nn6){
		document.getElementById(warstwa).style.visibility = "visible"; 
	//	document.getElementById(warstwa).style.position = "static";	
		document.getElementById(warstwa).style.display = "block";	
	} else {
		document.all[warstwa].style.visibility = "visible"; 
	//	document.all[warstwa].style.position = "static";
		document.all[warstwa].style.display = "block";
	}
}

function Zaslon(warstwa){
	if (nn6){
		document.getElementById(warstwa).style.visibility = "hidden"; 
	//	document.getElementById(warstwa).style.position = "absolute";	
		document.getElementById(warstwa).style.display = "none";		
	} else {
		document.all[warstwa].style.visibility = "hidden"; 
	//	document.all[warstwa].style.position = "absolute";	
		document.all[warstwa].style.display = "none";
	}
}