// MacSafari用

if (navigator.appVersion.indexOf ("Safari") >= 0) {
	document.write ('<link rel="stylesheet" type="text/css" href="/sc/pub/common2.0/css/safari.css">');
} 

// MacIE＆MacFF用

else if (navigator.appVersion.indexOf ("Mac") >= 0) {
	if (navigator.appName.indexOf ("Explorer") >= 0) {
		document.write ('<link rel="stylesheet" type="text/css" href="/sc/pub/common2.0/css/macie.css">');
	} else {
		document.write ('<link rel="stylesheet" type="text/css" href="/sc/pub/common2.0/css/macff.css">');
	}
}