var osName = navigator.userAgent.toUpperCase();
brName = navigator.appName;
brVer = parseInt(navigator.appVersion);
if (brName == "Netscape"){
	if (brVer <= 4){
		if (osName.indexOf("MAC") != -1){
		document.write('<link rel="stylesheet" type="text/css" href="http://www.bridgestone.co.jp/common_en/css/mac_other.css">');
		} else if (osName.indexOf("WIN") != -1) {
		document.write('<link rel="stylesheet" type="text/css" href="http://www.bridgestone.co.jp/common_en/css/win_other.css">');
		}
	} else if (osName.indexOf("WIN") != -1){
	document.write('<link rel="stylesheet" type="text/css" href="http://www.bridgestone.co.jp/common_en/css/win_nn.css">');
	} else {
	document.write('<link rel="stylesheet" type="text/css" href="http://www.bridgestone.co.jp/common_en/css/mac_nn.css">');	
	}
} else if (osName.indexOf("MAC") != -1){
document.write('<link rel="stylesheet" type="text/css" href="http://www.bridgestone.co.jp/common_en/css/mac_ie.css">');
} else if (osName.indexOf("WIN") != -1) {
document.write('<link rel="stylesheet" type="text/css" href="http://www.bridgestone.co.jp/common_en/css/win_ie.css">');
} else {

}