var NS = false;
var NS6 = false;
var IE = false;
var OP = false;

Browser = navigator.appName;
Version = navigator.appVersion.substring(0,1);
Agent = navigator.userAgent;

MIE = Browser.search(/Microsoft/);
Netscape = Browser.search(/Netscape/);
Opera = Agent.search(/Opera/);

if (MIE != -1) IE = true;

if (Netscape != -1)
{
	if (Version == 5)
	{
		NS6 = true;
	}
	else
	{
		NS = true;
	}
}

if (Opera != -1)
{
	OP = true;
	IE = false;
}