var lang = ''; 

if (navigator.browserLanguage) { 
	lang = navigator.browserLanguage; 
} else if (navigator.language) { 
	lang = navigator.language; 
} 

if (lang.length > 2) { 
	lang = lang.substr(0, 2); 
} 

if (lang != 'ja') { 
	location.href = 'http://www.torishima.co.jp/en/';
	} else {
	location.href = 'http://www.torishima.co.jp/jp/';
}