// Menu script
<!--
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
var ns = (browserName == "Netscape" && browserVer <5);
var ns6 = (browserName == "Netscape" && browserVer == 5);
var ie = (browserName == "Microsoft Internet Explorer");
var mac = (navigator.userAgent.indexOf("Mac") != -1);


function visible(lelayer){
		
	if (ns)	{	
		document.layers[lelayer].visibility = "show";
	} else if  (ie) {
		document.all[lelayer].style.visibility = "visible";
	}	else if (ns6) { 
		document.getElementById(lelayer).style.visibility = "visible";
	} // end if 


} // end function 

function invisible(lelayer){
	
	if (ns) { 
		document.layers[lelayer].visibility = "hide";
	} else if (ie) { 
		document.all[lelayer].style.visibility = "hidden";
	} else if (ns6) { 
		document.getElementById(lelayer).style.visibility = "hidden";
	} // end if ]

} // end fucntion

//-->