//' ** browser and OS detection: **
var bName = navigator.appName;
var bVer = parseInt(navigator.appVersion);
var ua = navigator.userAgent;
var browser = "";
var os = "";

//'** set the browser variable:
/* Firefox and Safari will set NS6 */
if (ua.indexOf("Opera") != -1) {
	browser = "Opera";
} else if (ua.indexOf("Gecko") != -1) {
	browser = "NS6";
} else if (bName == "Netscape") {
	if (bVer == 4)
		browser = "NS4";
	else if (bVer < 4)
		browser = "NS3";
} else if (ua.indexOf("MSIE 5") != -1 || 
		   ua.indexOf("MSIE 6") != -1) { //' put IE6 here for now
	browser = "IE5";
} else if (ua.indexOf("MSIE 4") != -1) {
	browser = "IE4";
} else if (bName == "Microsoft Internet Explorer" && bVer < 4) {
	browser = "IE3";
} else {
	browser = "NS6";
}

//' set the OS variable:
if (ua.indexOf("Mac") != -1)
	os = "Mac";
else if (ua.indexOf("Win") != -1)
	os = "Win";
else
	os = "other";