protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		
		//ZbV̕
		HttpSession session = request.getSession();
		
		//ZbVIuWFNglogino
		boolean login = false;
		if (session.getAttribute("login") != null) {
			login = (Boolean)session.getAttribute("login");
		}
		
		//ZbVIuWFNgdisplayUserNameo
		String displayUserName = (String)session.getAttribute("displayUserName");
		
		//LbVNA
		response.setHeader("Cache-Control",
				"no-store,no-cache, must-revalidte");
		response.addHeader("Cache-Control",
				"post-check=0, pre-check=0");
		response.setHeader("Pragma", "no-cache");
		response.setDateHeader("Expires", 0);
		Date today = new Date();
		response.setDateHeader("Last-Modified", today.getTime());
		
		
		//o͐̃Reg^CvZbg
		response.setContentType("text/html; charset=UTF-8");
		//o͐oAϐoutɑ
		PrintWriter out = response.getWriter();
		//o͓eZbg
		out.println("<html><body>");
		//OCmF
		if (login) {
			out.println("OCĂ܂B");
			out.println("<br><br>");
			out.println("ڑ[U[F" + displayUserName);
		} else {
			out.println("OCĂ܂B");
		}
		out.println("</body></html>");
		//o͂
		out.close();
	}