var os = getOSType();
var browser = getBrowserName();
var version = getBrowserVersion();

document.write("<style type=\"text/css\"><!--");

if(os == "Windows" && browser == "Explorer"){
	// Windows IE
	document.write(".size10 { font-size: 64%;}");
	document.write(".size12 { font-size: 78%;}");
	document.write(".size14 { font-size: 90%;}");

}else if(os == "Windows" && browser == "Netscape" && version < 5){
	// Windows NN4
	document.write(".size10 { font-size:  8pt;}");
	document.write(".size12 { font-size:  9pt;}");
	document.write(".size14 { font-size: 11pt;}");

}else if(browser == "Netscape" && version < 5){
	// Mac NN4
	document.write(".size10 { font-size: 10pt;}");
	document.write(".size12 { font-size: 12pt;}");
	document.write(".size14 { font-size: 14pt;}");

}else{
	// Other
	document.write(".size10 { font-size: 10px;}");
	document.write(".size12 { font-size: 12px;}");
	document.write(".size14 { font-size: 14px;}");
}

document.write("--></style>");




//　Macintosh           　->  MacOS
//　Windows95/98/NT/2000  ->　Windows
//　UNIX                  ->　UNIX
function getOSType()
{
    var uAgent  = navigator.userAgent.toUpperCase();
    if (uAgent.indexOf("MAC") >= 0) return "MacOS";
    if (uAgent.indexOf("WIN") >= 0) return "Windows";
    if (uAgent.indexOf("X11") >= 0) return "UNIX";
    return "";
}



//　Netscape Navigator ->  Netscape
//　Internet Explorer  ->　Explorer
function getBrowserName()
{
	var aName  = navigator.appName.toUpperCase();
	if (aName.indexOf("NETSCAPE") >= 0)  return "Netscape";
	if (aName.indexOf("MICROSOFT") >= 0) return "Explorer";
	return "";
}



function getBrowserVersion()
{
	var browser = getBrowserName();
	var version = 0;
	var s = 0;
	var e = 0;
	var appVer  = navigator.appVersion;
	if (browser == "Netscape")
	{
		s = appVer.indexOf(" ",0);
		version = eval(appVer.substring(0,s));
		if (version >= 5) version++;
	}
	if (browser == "Explorer")
	{
		appVer  = navigator.userAgent;
		s = appVer.indexOf("MSIE ",0) + 5;
		e = appVer.indexOf(";",s);
		version = eval(appVer.substring(s,e));
	}
	return version;
}