Umair.P 0 Newbie Poster

I have this program that should tell me browser details but navigator.appCodeName is showing Mozilla on IE, Safari, Opera, Chrome, and FireFox. Can any one tell me why?

<html>
<head>
<title>Javascript Example 1</title>
<script type="text/javascript">
	function detectBrowser(){
		(document.getElementById("appCode")).innerHTML = navigator.appCodeName;
		(document.getElementById("appName")).innerHTML = navigator.appName;
		(document.getElementById("appVersion")).innerHTML = navigator.appVersion;
		(document.getElementById("userAgent")).innerHTML = navigator.userAgent;
		(document.getElementById("platForm")).innerHTML = navigator.platform;		
	}
</script>
</head>
<body>
	<b>Application Code: </b><div id="appCode"></div><br />
	<b>Application Name: </b><div id="appName"></div><br />
	<b>Application Version: </b><div id="appVersion"></div><br />
	<b>User Agent: </b><div id="userAgent"></div><br />
	<b>Platform: </b><div id="platForm"></div><br />
	<input type="button" value="Check Browser" onclick="detectBrowser();">
</body>
</html>