var IE = (navigator.appName == "Microsoft Internet Explorer") ? 1 : 0;
var NS = (navigator.appName == "Netscape") ? 1 : 0;
var MO = (navigator.appName == "Mozilla") ? 1 : 0;
var hideMenu = null;


  
function Show(div){
if(IE) eval('document.all.'+div+'.style.visibility="visible"');
if(NS) eval('document.getElementById("" + div + "").style.visibility="visible"');
if(MO) eval('document.getElementById("" + div + "").style.visibility="visible"');
}

function Hide(div){

if(IE) eval('document.all.'+div+'.style.visibility="hidden"');
if(NS) eval('document.getElementById("" + div + "").style.visibility="hidden"');
if(MO) eval('document.getElementById("" + div + "").style.visibility="hidden"');
}