func: function _returnStartJackpot() private { 
  		
  		if(JACKPOT > start_jackpot_amount * 2 || (now - CONTRACT_STARTED_DATE) > return_jackpot_period) {
  			
  			if(JACKPOT > start_jackpot_amount) {
  				ADDRESS_START_JACKPOT.transfer(start_jackpot_amount);
  				JACKPOT = JACKPOT - start_jackpot_amount;
  				start_jackpot_amount = 0;
  			} else {
  				ADDRESS_START_JACKPOT.transfer(JACKPOT);
  				start_jackpot_amount = 0;
  				JACKPOT = 0;
  			}
  			emit UpdateJackpot(JACKPOT);
  			
  		} 
  		
  	}