public static void checkFltParam(SessionRequestContent request, Criteria criteria, String reqName, String critName){

        String param = (String) request.getParameter(reqName);
        if (param != null && !param.isEmpty()) {
            Float currParam = Float.parseFloat(param);
            if (currParam > 0) {
                criteria.addParam(critName, currParam);
            }
        }
    }