var nn=(document.layers)?true:false; //-- Netscape 4.7.1
var nn6=(document.getElementById)?true:false; //-- Netscape 6.0, FireFox 1.0.7
var ie=(document.all)?true:false;//-- IE 5.0





function show()
{
if(nn) {	
		document.layers["komm"].visibility = "show";
	} 
	else if(ie) {	
		document.all["komm"].style.visibility = "visible";
	}
	else if(nn6)
	{
	document.getElementById("komm").style.visibility = "visible";
	}
	//--setTimeout("hide();", 7000);//--tutaj definiujemy czas ukazania siÍ banneru
}



function hide() {
	if(nn) {	
	document.layers["komm"].visibility = "hide";
		 } 
	else if(ie) {
	document.all["komm"].style.visibility = "hidden";
			}
	else if(nn6) {
	document.getElementById("komm").style.visibility = "hidden";
			}
	
}