HTML Code:
<script language="JavaScript" type="text/JavaScript">
if(navigator.appName == "WebTV")
{
alert("You're using the WebTV browser.")
}
if(navigator.appName == "Netscape")
{
alert("You're using a Netscape browser.")
}
if(navigator.appName == "Microsoft Internet Explorer")
{
alert("You're using the Internet Explorer browser.")
}
</script>
HTML Code:
<script type="text/javascript">
var browser=navigator.appName;
var b_version=navigator.appVersion;
var version=parseFloat(b_version);
document.write("Browser name: "+ browser);
document.write("<br />");
document.write("Browser version: "+ version);
</script>
You can use them, but I recommend the last one => Javascript Browser Sniffer