//**************************************************//
//   Browser Dection Example                        //
//   by Tim Wallace   (timothy@essex1.com)          //
//**************************************************
function getBrowserName()   {   
        document.forms[0].elements[0].value =navigator.appName;     
}
function getBrowserVersion()   {   
        document.forms[0].elements[0].value =  navigator.appVersion;     
}
function getBrowserCodeName()   {   
        document.forms[0].elements[0].value = navigator.appCodeName;     
}
function getBrowserUserAgent()   {   
        document.forms[0].elements[0].value =  navigator.userAgent;     
}
function getBrowserNameVersion()   {   
        document.forms[0].elements[0].value = navigator.appName + " " + navigator.appVersion;     
}

var navVersion = navigator.appVersion;
var verNum = navVersion.charAt(0);

if (navigator.appName == "Netscape" && verNum <= 4) {
	alert("Your browser is not compatible \nwith the code displayed on this site.\nPlease upgrade your browser before returning.");
	document.location = "http://www.netscape.com";
	var verOk = false;
} else {
	var verOk = true;
}
//<input type="button" value="appName" onClick="getBrowserName()">
//<input type="button" value="appVersion" onClick="getBrowserVersion()">
//<input type="button" value="appCodeName" onClick="getBrowserCodeName()">
//<input type="button" value="userAgent" onClick="getBrowserUserAgent()"><br><br><br>
//<input type="button" value="appName / appVersion" onClick="getBrowserNameVersion()"><br><br>