contract Ownable {
    address public owner;

    // @dev Constructor sets the original `owner` of the contract to the sender account.
    function Ownable() {
        owner = msg.sender;
    }

    // @dev Throws if called by any account other than the owner.
    modifier onlyOwner() {
        require(msg.sender == owner);
        _;
    }


    // @dev Allows the current owner to transfer control of the contract to a newOwner.
    // @param newOwner The address to transfer ownership to.
    function transferOwnership(address newOwner) onlyOwner {
        if (newOwner != address(0)) {
            owner = newOwner;
        }
    }

}
/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control functions
 */
function Ownable() {
        owner = msg.sender;
    }
// @dev Constructor sets the original `owner` of the contract to the sender account.