<% String l_strResidentType = request.getParameter( "t" ); String l_strUrlParameter = ""; if ( l_strResidentType != null && !l_strResidentType.equals("") ) l_strUrlParameter = "?t=" + l_strResidentType; response.sendRedirect( "/Annuaire/rech_annuaire.jsp" + l_strUrlParameter ); %>