<html>
<head>
<title>Browser Detective</title>
<script>
var bVersion = 0;
var isNav = false;
var isIE = false;
function checkBrowser(){
if (navigator.appName == "Netscape"){
isNav = true;
} else {
if (navigator.appName == "Microsoft Internet Explorer"){
isIE = true;
}
}
bVersion = parseInt(navigator.appVersion);
if (bVersion < 4){
alert("Consider getting a newer browser! This code might not work!");
}
if ((!isNav) && (!isIE)){
alert("I do not recognize this browser. This code might not work");
}
}
</script>
</head>
<body>
<center>
<h1>Browser Detective<hr></h1>
<script>
checkBrowser();
if (isNav){
document.write("Netscape Navigator");
} else {
if (isIE){
document.write("Internet Explorer");
}
}
</script>
</center>
</body>
</html>