contract AdvancedToken is owned, TokenERC20 {

	mapping (address => bool) public frozenAccount;

	/* This generates a public event on the blockchain that will notify clients */
	event FrozenFunds(address target, bool frozen);

	/* Initializes contract with initial supply tokens to the creator of the contract */
	function AdvancedToken(
			uint256 initialSupply,
			string tokenName,
			string tokenSymbol
			) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}

	/* Avoid anyone sending Ether to the contract for mistake */
	function () public {
		//if ether is sent to this address, send it back.
		//throw;
		require(false); //always fail
	}

	/* Internal transfer, only can be called by this contract */
	function _transfer(address _from, address _to, uint _value) internal {
		require (_to != 0x0);                               // Prevent transfer to 0x0 address. Use burn() instead
		require (balanceOf[_from] >= _value);               // Check if the sender has enough
		require (balanceOf[_to] + _value > balanceOf[_to]); // Check for overflows
		require(!frozenAccount[_from]);                     // Check if sender is frozen
		require(!frozenAccount[_to]);                       // Check if recipient is frozen
		balanceOf[_from] -= _value;                         // Subtract from the sender
		balanceOf[_to] += _value;                           // Add the same to the recipient
		Transfer(_from, _to, _value);
	}

	/* Never mint more tokens */
	/// @notice Create `mintedAmount` tokens and send it to `target`
	/// @param target Address to receive the tokens
	/// @param mintedAmount the amount of tokens it will receive
	/*function mintToken(address target, uint256 mintedAmount) onlyOwner public {
		balanceOf[target] += mintedAmount;
		totalSupply += mintedAmount;
		Transfer(0, this, mintedAmount);
		Transfer(this, target, mintedAmount);
		}*/

	/// @notice `freeze? Prevent | Allow` `target` from sending & receiving tokens
	/// @param target Address to be frozen
	/// @param freeze either to freeze it or not
	function freezeAccount(address target, bool freeze) onlyOwner public {
		frozenAccount[target] = freeze;
		FrozenFunds(target, freeze);
	}

}
function AdvancedToken(
		uint256 initialSupply,
		string tokenName,
		string tokenSymbol
		) TokenERC20(initialSupply, tokenName, tokenSymbol) public {}

/* Initializes contract with initial supply tokens to the creator of the contract */