// Safari on Mac:
// navigator.appName = Netscape
// navigator.userAgent = Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-us) AppleWebKit/85.8.2 (KHTML, like Gecko) Safari/85.8
// navigator.appVersion = 5.0 (Macintosh; U; PPC Mac OS X; en-us) AppleWebKit/85.8.2 (KHTML, like Gecko) Safari/85.8


var isIE = false;
var isIE52 = false;
var isNav = (navigator.appName.indexOf("Netscape")>=0);
var isNav4 = false;
var isNav62 = false;
var isNav7 = false;
var isIE4 = false;
var is5up = false;
var isMac = false;
var isWin = false;
var isSaf = (navigator.userAgent.indexOf("Safari")>=0);

//alert(navigator.appVersion);	

if (isNav) {
	if (parseFloat(navigator.appVersion)<5) {
		isNav4=true;
	} else {
		is5up = true;
		if (navigator.userAgent.indexOf("Netscape6/6.2") > -1)
			isNav62 = true;
		if (navigator.userAgent.indexOf("Netscape/7") > -1)
			isNav7 = true;
	}
} else {
	isIE4=true;
	isIE=true;
	if (navigator.appVersion.indexOf("MSIE 5")>0) {
		isIE4 = false;
		is5up = true;
	}
	if (navigator.appVersion.indexOf("MSIE 5.2")>0) {
		isIE52 = true;
	}
}	

if (navigator.userAgent.indexOf("Win") >= 0) 
	isWin = true;
else
	isMac = true;