contract ERC20 {
    uint256 public totalSupply;

    // ERC223 and ERC20 functions and events
    function totalSupply() constant public returns (uint256 _supply);
    function balanceOf(address who) public constant returns (uint256);
    function transfer(address to, uint256 value) public returns (bool ok);
    function name() constant public returns (string _name);
    function symbol() constant public returns (string _symbol);
    function decimals() constant public returns (uint8 _decimals);

    // ERC20 Event 
    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event FrozenFunds(address target, bool frozen);
	event Burn(address indexed from, uint256 value); 
}
/// ERC20 contract interface With ERC23/ERC223 Extensions
function totalSupply() constant public returns (uint256 _supply);

// ERC223 and ERC20 functions and events