if tdi >= 0) {
if (tdi >= 0) {
    public void load ()    {        if (!piggybackingIsOn) return;                super.load();        //This is an optional property to increase/decrease buffer time to ensure        //HBs arrive within their time limit.        try {            String td = "org.cougaar.message.transport.aspects.heartbeatPiggybacker.timeDelay";            int tdi = Integer.valueOf(System.getProperty(td,"10000")).intValue();            if tdi >= 0) {              TIME_DELAY = tdi;            }        } catch (Exception e) {