private boolean verifChampObligatoire(HttpServletRequest request) {
		if (request.getParameter("id").contentEquals("")
				|| request.getParameter("pwd").contentEquals("")
				|| request.getParameter("pwdC").contentEquals("")
				|| request.getParameter("ndf").contentEquals("")
				|| request.getParameter("prenom").contentEquals("")) {
			request.getSession().setAttribute("handle", "oblig");
			return false;
		}
		return true;
	}