contract Ownable {
    address public owner;


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


    modifier onlyOwner() {
        if (msg.sender != owner) {
            revert();
        } else {
            _;
        }
    }

}
function Ownable() {
    owner = msg.sender;
}

/** 
 * @dev The Ownable constructor sets the original `owner` of the contract to the sender
 * account.
 */