contract Pausable is Ownable {
  	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() public onlyOwner whenNotPaused {
    	paused = true;
    	emit Pause();
  	}

  	/**
   	 * @dev called by the owner to unpause, returns to normal state
   	 */
  	function unpause() public onlyOwner whenPaused {
    	paused = false;
    	emit Unpause();
  	}
}
/**
 * @title Pausable
 * @dev Base contract which allows children to implement an emergency stop mechanism.
 */
function unpause() public onlyOwner whenPaused {
 	paused = false;
 	emit Unpause();
}

/**
 	 * @dev called by the owner to unpause, returns to normal state
 	 */