browserName = navigator.appName;
versionName = navigator.userAgent;
if (browserName.indexOf("Microsoft") >= 0) {
	browser = "IE";
} else if (browserName.indexOf("Netscape") >= 0) {
	browser = "NS";
} else {
	browser = "unknown";
}
if (navigator.userAgent.indexOf("7.") >= 0) {
	version = parseFloat(navigator.userAgent.substr(navigator.userAgent.indexOf("7."),3));
} else if (navigator.userAgent.indexOf("6.") >= 0) {
	version = parseFloat(navigator.userAgent.substr(navigator.userAgent.indexOf("6."),3));
} else if (navigator.userAgent.indexOf("5.") >= 0) {
	version = parseFloat(navigator.userAgent.substr(navigator.userAgent.indexOf("5."),3));
} else if (navigator.userAgent.indexOf("4.") >= 0) {
	version = parseFloat(navigator.userAgent.substr(navigator.userAgent.indexOf("4."),3));
} else if (navigator.userAgent.indexOf("3.") >= 0) {
	version = parseFloat(navigator.userAgent.substr(navigator.userAgent.indexOf("3."),3));
} else if (navigator.userAgent.indexOf("2.") >= 0) {
	version = parseFloat(navigator.userAgent.substr(navigator.userAgent.indexOf("2."),3));
} else if (navigator.userAgent.indexOf("1.") >= 0) {
	version = parseFloat(navigator.userAgent.substr(navigator.userAgent.indexOf("1."),3));
} else {
	version = 0.0;
}