<!--//	Internet Explorer	->	IE//	Netscape Navigator	->	NN	//ブラウザ名を取得	function getBrowserName()	{		var aName = navigator.appName.toUpperCase();		if( aName.indexOf("MICROSOFT") >= 0 )	return "IE";		if( aName.indexOf("NETSCAPE") >= 0 )	return "NN";		return"";	}//　Macintosh           　->  MacOS//　Windows95/98/NT/2000  ->　Windows//　UNIX                  ->　UNIX	function getOSType()	{	    str = navigator.userAgent.toUpperCase();	    if (str.indexOf("MAC") >= 0) return "MacOS";	    if (str.indexOf("WIN") >= 0) return "Windows";	    if (str.indexOf("X11") >= 0) return "UNIX";	    return "不明";	}	browser = getBrowserName();	os = getOSType();	if( os == "Windows" )	{		document.write('<STYLE TYPE="text/css">');		document.write('.body1    { font-size:12px; line-height:16px }');		document.write('.body2    { font-size:14px; line-height:17px }');		document.write('</STYLE>');	}	else	{		document.write('<STYLE TYPE="text/css">');		document.write('.body1   { font-size:10px; line-height:14px }');		document.write('.body2   { font-size:12px; line-height:15px }');		document.write('</STYLE>');			}//-->