<!--
browser = navigator.appName;
ie = "Microsoft Internet Explorer";
netscape = "Netscape";
os = navigator.platform;

var version = parseInt(navigator.appVersion);
var tabs = ["NavProducts", "CustService", "AboutUs"];

function show(tab) {
if (document.getElementById) {
document.getElementById(tab).style.visibility = 'visible';
}	
else if (browser == netscape) {
document.layers[tab].visibility = 'visible';
}
else if (browser == ie) {
document.all[tab].style.visibility = 'visible';
}
}

function hide(tab) {
if (document.getElementById) {
document.getElementById(tab).style.visibility = 'hidden';
}	
else if (browser == netscape) {
document.layers[tab].visibility = 'hidden';
}	
else if (browser == ie) {
document.all[tab].style.visibility = 'hidden';
}
}

function display(tab) {
for (var i = 0; i < tabs.length; i++) {
if (tabs[i] == tab) {
show(tabs[i]);
}
}
}

// -->