// CLIENT-CHECK


// #################################################################################################
// Macintosh              　->  mac
// Windows95/98/NT/2000/XP  ->　win
// UNIX                     ->　unx

// Netscape Navigator ->  ns
// Internet Explorer  ->　ie
// Safari             ->　sf
// Opera              ->　op
// #################################################################################################

function getOSType()
{
    var uAgent  = navigator.userAgent.toUpperCase();
    if (uAgent.indexOf("MAC") >= 0) return "mac";
    if (uAgent.indexOf("WIN") >= 0) return "win";
    if (uAgent.indexOf("X11") >= 0) return "unx";
    return "";
}


function getBrowserName()
{
    var aName = navigator.appName.toUpperCase();
    var uName = navigator.userAgent.toUpperCase();

    if (uName.indexOf("SAFARI")    >= 0) return "sf";
    if (uName.indexOf("OPERA")     >= 0) return "op";
    if (aName.indexOf("NETSCAPE")  >= 0) return "ns";
    if (aName.indexOf("MICROSOFT") >= 0) return "ie";
    return "";
}


function getBrowserVersion()
{
	var browser = getBrowserName();
	var version = 0;
	var s = 0;
	var e = 0;
	var appVer  = navigator.appVersion;
	var uName   = navigator.userAgent.toUpperCase();

	if (browser == "ns")
	{
		s = appVer.indexOf(" ",0);
		version = eval(appVer.substring(0,s));
		if (version >= 5) version++;
	}

	if (browser == "ie")
	{
		appVer  = navigator.userAgent;
		s = appVer.indexOf("MSIE ",0) + 5;
		e = appVer.indexOf(";",s);
		version = eval(appVer.substring(s,e));
	}

	if (browser == "op")
	{
		s = uName.indexOf("OPERA ",0) + 6;
		e = uName.indexOf(" ",s);
		version = eval(uName.substring(s,e));
	}

	if (browser == "sf")
	{
		version = eval(appVer.substring(0,3)) - 4;
	}

	return version;
}