function show(layName){
	if( navigator.appName.charAt(0)=="M"){
	document.all(layName).style.visibility="visible";
	}
	if(navigator.appName.charAt(0)=="N"){
		if(navigator.appVersion.charAt(0)>=5){
		document.getElementById(layName).style.visibility="visible";
		}
	else{
	document.layers[layName].visibility="show";
	}
}
}


function hide(layName){
if( navigator.appName.charAt(0)=="M")
{document.all(layName).style.visibility="hidden";}
if(navigator.appName.charAt(0)=="N"){
		if(navigator.appVersion.charAt(0)>=5){
		document.getElementById(layName).style.visibility="hidden";
		}
	else{
document.layers[layName].visibility="hide";}
}
}