var site_path = '/';
var ssl_path = 'https://www.beerbiyori.jp/';
if (getCookie('member') == '') {
	document.write('<a href="' + ssl_path +'regist/login.cgi"><img src="' + site_path +'img/btn_login.gif" alt="ログイン" width="90" height="15"></a>');
}
else {
	document.write('<a href="' + ssl_path +'regist/logout.cgi"><img src="' + site_path +'img/btn_logout.gif" alt="ログアウト" width="90" height="15"></a>');
}

function getCookie(name){
	var search = name + '=';
	if (document.cookie.length > 0) {
		offset = document.cookie.indexOf(search);
		if (offset != -1){
			offset += search.length;
			end = document.cookie.indexOf(';',offset);
			if(end == -1) {
				end = document.cookie.length;
			}

			return unescape(document.cookie.substring(offset,end));
		}
	}
	return '';
}