var userBr=userBrowser();

function userBrowser() {
// возвращает переменную содержащую сведения о браузере пользователя
	var BrowserName = navigator.appName;
	if (BrowserName.indexOf("Internet Explorer") > -1)
		BrowserName = "IE";
	else if (BrowserName.indexOf("Netscape") > -1)
		BrowserName = "NN";
	else if (BrowserName.indexOf("Opera") > -1)
		BrowserName = "Opera";
	else
		BrowserName = "other";
	this.BrowserName = BrowserName;
	var pattern = /\d+.\d+/gi;
	var BrowserVersion = navigator.appVersion;
	BrowserVersion = BrowserVersion.match(pattern);
	var maxBV = 0;
	for (var i = 0; i < BrowserVersion.length; i++) { 
		BrowserVersion[i] = parseFloat(BrowserVersion[i]);
		if (maxBV < BrowserVersion[i]) maxBV = BrowserVersion[i];
	}
	this.BrowserVersion = maxBV;
//	alert(navigator.appName + "\n\r" + navigator.appVersion + "\n\r" + BrowserName + "\n\r" + maxBV);
	return this;
}