pragma solidity ^0.4.16;
contract owned{
   address public owner;
   function owned(){
      owner=msg.sender;
   }
  modifier onlyOwner{
      if(msg.sender!=owner) throw;
      _; 
  }
  function transferOwnership(address newOwner) onlyOwner{
      owner=newOwner;
  }
}

interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; }
contract TokenERC20 is owned{
    string public standard='Token 0.1';
    string public name;
    string public symbol;
    uint8 public decimals = 18;
    uint256 public totalSupply;
    mapping (address => uint256) public balanceOf;
    mapping (address => mapping (address => uint256)) public allowance;
    mapping (address => bool)    public frozenAccount;

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Burn(address indexed from, uint256 value);
    event FrozenFunds(address target,bool frozen);

    function TokenERC20(
        uint256 initialSupply,
        string tokenName,
        string tokenSymbol
    ) public {
        totalSupply = initialSupply * 10 ** uint256(decimals);
        balanceOf[msg.sender] = totalSupply;
        name = tokenName;
        symbol = tokenSymbol;
    }
    function _transfer(address _from, address _to, uint _value) internal {
        require(_to != 0x0);
        require(balanceOf[_from] >= _value);
        require(balanceOf[_to] + _value >= balanceOf[_to]);
        if (frozenAccount[_from]) throw;
        uint previousBalances = balanceOf[_from] + balanceOf[_to];
        balanceOf[_from] -= _value;
        balanceOf[_to] += _value;
        Transfer(_from, _to, _value);
        assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
    }
    function transfer(address _to, uint256 _value) public {
        _transfer(msg.sender, _to, _value);
    }

    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
        if (frozenAccount[_from]) throw;
        require(_value <= allowance[_from][msg.sender]);
        allowance[_from][msg.sender] -= _value;
        _transfer(_from, _to, _value);
        return true;
    }
    function approve(address _spender, uint256 _value) public  returns (bool success) {
        allowance[msg.sender][_spender] = _value;
        return true;
    }
    function approveAndCall(address _spender, uint256 _value, bytes _extraData)  public  returns (bool success) {
        tokenRecipient spender = tokenRecipient(_spender);
        if (approve(_spender, _value)) {
            spender.receiveApproval(msg.sender, _value, this, _extraData);
            return true;
        }
    }
    function burn(uint256 _value) public returns (bool success) {
        require(balanceOf[msg.sender] >= _value);
        balanceOf[msg.sender] -= _value;
        totalSupply -= _value;
        Burn(msg.sender, _value);
        return true;
    }
    function burnFrom(address _from, uint256 _value) public returns (bool success) {
        require(balanceOf[_from] >= _value);
        require(_value <= allowance[_from][msg.sender]);
        balanceOf[_from] -= _value;
        allowance[_from][msg.sender] -= _value;
        totalSupply -= _value;
        Burn(_from, _value);
        return true;
    }

    function mintToke(address target,uint256 mintedAmount) onlyOwner{
        balanceOf[target] +=mintedAmount;
        totalSupply +=mintedAmount;
        Transfer(0,this,mintedAmount);
        Transfer(this,target,mintedAmount);
    }    
   
    function freezeAccount(address target,bool freeze) onlyOwner{
        frozenAccount[target]=freeze;
        FrozenFunds(target,freeze);
    }

    function(){
         throw;
     }
}