checkUserAgent();

function checkUserAgent() {
	ua = new Object();
	var useragent = navigator.userAgent;
	// Internet Explorer
	if (useragent.match(/MSIE (\d+\.\d+);/) && RegExp.$1 >= 5) {
		ua.InternetExplorer = RegExp.$1;
		return true;
	}
	// Netscape6
	if (useragent.match(/Netscape6\/(\d+\.\d+)/)) {
		ua.Netscape = RegExp.$1;
		return true;
	}
	// Mozilla (FireFox)
	if (useragent.match(/^Mozilla\/5\.0.+rv:(\d+\.\d+).+Gecko/) && RegExp.$1 >= 1) {
		ua.Mozilla = RegExp.$1;
		return true;
	}
	ua.other = 1;
	return false;
}

function getCopyrightLastYear() {
	return "2012";
}