// JavaScript Document

//　Macintosh           　->  MacOS
//　Windows95/98/NT/2000/XP  ->　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
//　Safari  ->　Safari
//　Opera  ->　Opera
function getBrowserName()
{
    var aName  = navigator.appName.toUpperCase();
    var uName = navigator.userAgent.toUpperCase();
    if (uName.indexOf("SAFARI") >= 0)  return "Safari";
    if (uName.indexOf("OPERA") >= 0)  return "Opera";
    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;
        var uName  = navigator.userAgent.toUpperCase();
        if (browser == "Safari")
        {
                version = eval(appVer.substring(0,3)) - 4;
        }
        if (browser == "Opera")
        {
                s = uName.indexOf("OPERA ",0) + 6;
                e = uName.indexOf(" ",s);
                version = eval(uName.substring(s,e));
        }
        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;
}





	os      = getOSType();
	browser = getBrowserName();
	version = getBrowserVersion();
	if (os == "MacOS")   dirName = "mac/body.css";
	if (os == "Windows") dirName = "win/body.css";
	if (os == "UNIX")    dirName = "unix/body.css";
	//if (browser == "Netscape") dirName += "nn";
	//if (browser == "Explorer") dirName += "ie";
	//if (browser == "Safari") dirName += "saf";
	//if (browser == "Opera") dirName += "op";
	//if ((version >= 1) && (version < 2))   dirName += "1.css";
	//if ((version >= 2) && (version < 3))   dirName += "2.css";
	//if ((version >= 3) && (version < 4))   dirName += "3.css";
	//if ((version >= 4) && (version < 5))   dirName += "4.css";
	//if ((version >= 5) && (version < 5.5)) dirName += "5.css";
	//if ((version >= 5.5) && (version < 6)) dirName += "5.5.css";
	//if ((version >= 6) && (version < 7))   dirName += "6.css";
	//if ((version >= 7) && (version < 8))   dirName += "7.css";
	//alert(dirName);
	document.write("<link rel='stylesheet' href='/style/"+dirName+"' type='text/css'>");