contract Token {
	event Transfer(address indexed _from, address indexed _to, uint256 _value);
	event Approval(address indexed _owner, address indexed _spender, uint256 _value);

	function totalSupply() constant returns (uint256 supply) {}
	function balanceOf(address _owner) constant returns (uint256 balance) {}
	function transfer(address _to, uint256 _value) returns (bool success) {}
	function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
	function approve(address _spender, uint256 _value) returns (bool success) {}
	function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
}