contract Pausable is Ownable {
	event Paused();
	event Unpaused();




	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 Paused();
	}




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