function getCookie(name) {
	if (!name || !document.cookie) return;
	var cookies = document.cookie.split("; ");
	for (var i = 0; i < cookies.length; i++) {
		var str = cookies[i].split("=");
		if (str[0] != name) continue;
		return unescape(str[1]);
	}
	return;
}
function setFlag() {
  var value = 1;					// クッキーの値
  var name = "age_flg";			// クッキーの名前
  var top = "/top.html";

  document.cookie = name + "=" + escape(value) + "; path=/"; ;

  var cookieValue = getCookie("rtnpath");

  if(cookieValue){
    location.href=cookieValue;
  }else{
    location.href=top;
  }
}