protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		if(request.getParameter("listallpatients")!=null)
			getServletContext().getRequestDispatcher("/listAllPatient.jsp").forward(request, response);
		else if(request.getParameter("listallnurses")!=null){
			getServletContext().getRequestDispatcher("/listAllNurse.jsp").forward(request, response);
		}
		else if(request.getParameter("listallviewers")!=null){
			getServletContext().getRequestDispatcher("/listAllViewer.jsp").forward(request, response);
		}
		else if(request.getParameter("patient_level")!=null){
			int i_level = Integer.parseInt(request.getParameter("patient_level"));
			request.setAttribute("patient_level", i_level);
			System.out.println("********");
			getServletContext().getRequestDispatcher("/listByGroup.jsp?patient_level=" + i_level).forward(request, response);
		}
		System.out.println("############");
	}