var app = navigator.appName.charAt(0);
var browser = navigator.appName;
var version = navigator.appVersion;
var versionNum = parseFloat(version);
if (navigator.appVersion.indexOf('Mac',0) != -1) {
	if (app == "N" && versionNum < 6) {
		document.write('<link rel="stylesheet" type="text/css" charset="Shift_JIS" href="../css/mac_nn.css">');
	} else {
		document.write('<link rel="stylesheet" type="text/css" charset="Shift_JIS" href="../css/mac_ie.css">');
	}
} else if (navigator.appVersion.indexOf('Win',0) != -1) {
	if (app == "N" && versionNum < 6) {
		document.write('<link rel="stylesheet" type="text/css" charset="Shift_JIS" href="../css/win_nn.css">');
	} else {
		document.write('<link rel="stylesheet" type="text/css" charset="Shift_JIS" href="../css/win_ie.css">');
	}
}