myToken.sol

contract MyToken{

    string public name;
    string public symbol;
    uint8 public decimals;

    mapping (address => uint256) public balanceOf;

    event Transfer(address indexed from, address indexed to, uint256 value);

    function MyToken(uint256 _supply, string _name, string _symbol, uint8 _decimals) {
        if (_supply == 0) _supply = 1000;
        balanceOf[msg.sender] = _supply;
        name = _name;
        symbol = _symbol;
        decimals = _decimals;
    }

    function transfer(address _to, uint256 _amount) {
        if (balanceOf[msg.sender] < _amount) throw;
        balanceOf[msg.sender] -= _amount;
        balanceOf[_to] += _amount;

        Transfer(msg.sender, _to, _amount);
    }
}