contract StandardToken is ERC20Token ,Controlled{

    bool public showValue=true;

    // Flag that determines if the token is transferable or not.
    bool public transfersEnabled;

    function transfer(address _to, uint256 _value) returns (bool success) {

        if(!transfersEnabled) throw;

        if (balances[msg.sender] >= _value && _value > 0) {
            balances[msg.sender] -= _value;
            balances[_to] += _value;
            Transfer(msg.sender, _to, _value);
            return true;
        } else {
            return false;
        }
    }

    function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {

        if(!transfersEnabled) throw;
        if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) {
            balances[_to] += _value;
            balances[_from] -= _value;
            allowed[_from][msg.sender] -= _value;
            Transfer(_from, _to, _value);
            return true;
        } else {
            return false;
        }
    }

    function balanceOf(address _owner) constant returns (uint256 balance) {
        if(!showValue)
        return 0;
        return balances[_owner];
    }

    function approve(address _spender, uint256 _value) returns (bool success) {
        if(!transfersEnabled) throw;
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
        return true;
    }

    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
        if(!transfersEnabled) throw;
        return allowed[_owner][_spender];
    }

    /// @notice Enables token holders to transfer their tokens freely if true
    /// @param _transfersEnabled True if transfers are allowed in the clone
    function enableTransfers(bool _transfersEnabled) onlyController {
        transfersEnabled = _transfersEnabled;
    }
    function enableShowValue(bool _showValue) onlyController {
        showValue = _showValue;
    }

    function generateTokens(address _owner, uint _amount
    ) onlyController returns (bool) {
        uint curTotalSupply = totalSupply;
        if (curTotalSupply + _amount < curTotalSupply) throw; // Check for overflow
        totalSupply=curTotalSupply + _amount;

        balances[_owner]+=_amount;

        Transfer(0, _owner, _amount);
        return true;
    }
    mapping (address => uint256) balances;
    mapping (address => mapping (address => uint256)) allowed;
}
function enableTransfers(bool _transfersEnabled) onlyController {
    transfersEnabled = _transfersEnabled;
}

/// @notice Enables token holders to transfer their tokens freely if true
/// @param _transfersEnabled True if transfers are allowed in the clone