contract ERC20Token is ERC20TokenInterface, admined { //Standard definition of a ERC20Token
    using SafeMath for uint256;
    uint256 public totalSupply;
    mapping (address => uint256) balances; //A mapping of all balances per address
    mapping (address => mapping (address => uint256)) allowed; //A mapping of all allowances
    mapping (address => bool) public frozen; //A mapping of frozen accounts

    /**
    * @dev Get the balance of an specified address.
    * @param _owner The address to be query.
    */
    function balanceOf(address _owner) public constant returns (uint256 value) {
        return balances[_owner];
    }

    /**
    * @dev transfer token to a specified address
    * @param _to The address to transfer to.
    * @param _value The amount to be transferred.
    */
    function transfer(address _to, uint256 _value) public transferLock returns (bool success) {
        require(_to != address(0)); //If you dont want that people destroy token
        require(frozen[msg.sender]==false);
        balances[msg.sender] = balances[msg.sender].sub(_value);
        balances[_to] = balances[_to].add(_value);
        emit Transfer(msg.sender, _to, _value);
        return true;
    }

    /**
    * @dev transfer token from an address to another specified address using allowance
    * @param _from The address where token comes.
    * @param _to The address to transfer to.
    * @param _value The amount to be transferred.
    */
    function transferFrom(address _from, address _to, uint256 _value) public transferLock returns (bool success) {
        require(_to != address(0)); //If you dont want that people destroy token
        require(frozen[_from]==false);
        allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
        balances[_from] = balances[_from].sub(_value);
        balances[_to] = balances[_to].add(_value);
        emit Transfer(_from, _to, _value);
        return true;
    }

    /**
    * @dev Assign allowance to an specified address to use the owner balance
    * @param _spender The address to be allowed to spend.
    * @param _value The amount to be allowed.
    */
    function approve(address _spender, uint256 _value) public returns (bool success) {
        require((_value == 0) || (allowed[msg.sender][_spender] == 0)); //exploit mitigation
        allowed[msg.sender][_spender] = _value;
        emit Approval(msg.sender, _spender, _value);
        return true;
    }

    /**
    * @dev Get the allowance of an specified address to use another address balance.
    * @param _owner The address of the owner of the tokens.
    * @param _spender The address of the allowed spender.
    */
    function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }

    /**
    * @dev Frozen account.
    * @param _target The address to being frozen.
    * @param _flag The status of the frozen
    */
    function setFrozen(address _target,bool _flag) onlyAdmin(1) public {
        frozen[_target]=_flag;
        emit FrozenStatus(_target,_flag);
    }

    /**
    * @dev Log Events
    */
    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
    event FrozenStatus(address _target,bool _flag);
}
/**
 * @title Token definition
 * @dev Define token paramters including ERC20 ones
 */
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }
/**
 * @dev Get the allowance of an specified address to use another address balance.
 * @param _owner The address of the owner of the tokens.
 * @param _spender The address of the allowed spender.
 */