contract BrokerImp is MultiOwnable, DestroyableMultiOwner {
	using SafeMath for uint256;
	
	Token public token;
	uint256 public commission;
	address public broker;
	address public pool;
	
	event CommissionChanged(uint256 _previousCommission, uint256 _commision);
	event BrokerChanged(address _previousBroker, address _broker);
	event PoolChanged(address _previousPool, address _pool);
	
	/**
	 * @dev Constructor.
	 * @param _token The token address
	 * @param _pool The pool of tokens address
	 * @param _commission The percentage of the commission 0-100
	 * @param _broker The broker address
	 */
	function BrokerImp(address _token, address _pool, uint256 _commission, address _broker) public {
		require(_token != address(0));
		token = Token(_token);
		pool = _pool;
		commission = _commission;
		broker = _broker;
	}
	
	/**
	 * @dev Allows the owner make a reward.
	 * @param _beneficiary the beneficiary address
	 * @param _value the tokens reward in wei
	 */
	function reward(address _beneficiary, uint256 _value) public onlyOwner returns (bool) {
		uint256 hundred = uint256(100);
		uint256 beneficiaryPart = hundred.sub(commission);
		uint256 total = (_value.div(beneficiaryPart)).mul(hundred);
		uint256 brokerCommission = total.sub(_value);
		return (
		token.transferFrom(pool, _beneficiary, _value) &&
		token.transferFrom(pool, broker, brokerCommission)
		);
	}
	
	/**
	 * @dev Allows the owner to withdraw the balance of the tokens.
	 * @param _commission The percentage of the commission 0-100
	 */
	function changeCommission(uint256 _commission) public onlyOwner {
		emit CommissionChanged(commission, _commission);
		commission = _commission;
	}
	
	/**
	 * @dev Allows the owner to change the broker.
	 * @param _broker The broker address
	 */
	function changeBroker(address _broker) public onlyOwner {
		emit BrokerChanged(broker, _broker);
		broker = _broker;
	}
	
	/**
	 * @dev Allows the owner to change the pool of tokens.
	 * @param _pool The pool address
	 */
	function changePool(address _pool) public onlyOwner {
		emit PoolChanged(pool, _pool);
		pool = _pool;
	}
}
function changePool(address _pool) public onlyOwner {
	emit PoolChanged(pool, _pool);
	pool = _pool;
}

/**
 	 * @dev Allows the owner to change the pool of tokens.
 	 * @param _pool The pool address
 	 */