public void deleteBook(HttpServletRequest request, HttpServletResponse response){
		int  id = Integer.valueOf((String) request.getParameter("ID")).intValue();
		BookDAO bdao = new BookDAO();
		bdao.delete(id);
		try {
			request.getRequestDispatcher("../managerView/bookInfoManage.jsp").forward(request, response);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 
	}