// set cookie to apportion for English and Japanese site.

function switchLang(lang) {

	$.cookie('lang', lang, { expires: 90, path: '/' } );

	switch (lang) {
		case 'en':
		var url = 'http://www.headlock.jp/english/';
		break;
		default:
		var url = 'http://www.headlock.jp/';
		}
	location.href = url;
	
}