contract Pausable is Destructible {
    event Pause();
    event Unpause();
    bool public paused = false;
    /**
  * @dev Modifier to make a function callable only when the contract is not paused.
  */
    modifier whenNotPaused() {
        require(!paused);
        _;
    }
    /**
  * @dev Modifier to make a function callable only when the contract is paused.
  */
    modifier whenPaused() {
        require(paused);
        _;
    }
    /**
  * @dev called by the owner to pause, triggers stopped state
  */
    function pause()onlyOwner whenNotPaused public {
        paused = true;
        emit Pause();
    }
    /**
  * @dev called by the owner to unpause, returns to normal state
  */
    function unpause()onlyOwner whenPaused public {
        paused = false;
        emit Unpause();
    }
}
/**
 * @title Pausable
 * @dev Base contract which allows children to implement an emergency stop mechanism.
 */
function unpause()onlyOwner whenPaused public {
        paused = false;
        emit Unpause();
    }
/**
 * @dev called by the owner to unpause, returns to normal state
 */