//　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();

if (os == "Windows") {

document.write('<link rel="alternate stylesheet" type="text/css" href="/css/common_s.css" title="small" />');

document.write('<link rel="stylesheet" type="text/css"  href="/css/common.css" title="default" />');

document.write('<link rel="alternate stylesheet" type="text/css" href="/css/common_l.css" title="large" />');

}

if (os == "MacOS") {

document.write('<link rel="alternate stylesheet" type="text/css" href="/css/common_s.css" title="small" />');

document.write('<link rel="stylesheet" type="text/css"  href="/css/common.css" title="default" />');

document.write('<link rel="alternate stylesheet" type="text/css" href="/css/common_l.css" title="large" />');

}

/*

browser = getBrowserName();

if (browser == "Explorer") {

document.write('<link rel="stylesheet" type="text/css" href="share/css/mac_ie.css" />');

}

if (browser == "Safari") {

document.write('<link rel="stylesheet" type="text/css" href="share/css/saf.css" />');

}

*/