ERC20_Distribution

// Following is a sample token contract with a fixed supply of 1000000 units that are initially assigned to the owner of the contract:
      pragma solidity ^0.4.8;
contract ERC20Interface
{
    function totalSupply() constant returns (uint256 totalSupply);
    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);
    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}

contract FixedSupplyToken is ERC20Interface
{
    string public constant symbol = "FIXED";
    string public constant name = "Example Fixed Supply Token";
    uint8 public constant decimals = 18;
    uint256 _totalSupply = 1000000;

    // Owner of this contract
    address public owner;

    // Balances for each account
    mapping(address => uint256) balances;

    // Owner of account approves the transfer of an amount to another account
    mapping(address => mapping (address => uint256)) allowed;

    // Functions with this modifier can only be executed by the owner
    modifier onlyOwner() {
        if (msg.sender != owner) {
            throw;
        }
        _;
    }

    // Constructor
    function FixedSupplyToken() {
        owner = msg.sender;
        balances[owner] = _totalSupply;
    }

    function totalSupply() constant returns (uint256 totalSupply) {
        totalSupply = _totalSupply;
    }

    // What is the balance of a particular account?
    function balanceOf(address _owner) constant returns (uint256 balance) {
        return balances[_owner];
    }

    // Transfer the balance from owner's account to another account
    function transfer(address _to, uint256 _amount) returns (bool success) {
        if (balances[msg.sender] >= _amount
            && _amount > 0
            && balances[_to] + _amount > balances[_to]) {
            balances[msg.sender] -= _amount;
            balances[_to] += _amount;
            Transfer(msg.sender, _to, _amount);
            return true;
        } else {
            return false;
        }
    }

    function transferFrom(
        address _from,
        address _to,
        uint256 _amount
   ) returns (bool success) {
       if (balances[_from] >= _amount
           && allowed[_from][msg.sender] >= _amount
           && _amount > 0
           && balances[_to] + _amount > balances[_to]) {
           balances[_from] -= _amount;
           allowed[_from][msg.sender] -= _amount;
           balances[_to] += _amount;
           Transfer(_from, _to, _amount);
           return true;
       } else {
           return false;
       }
   }

   // Allow _spender to withdraw from your account, multiple times, up to the _value amount.
   // If this function is called again it overwrites the current allowance with _value.
   function approve(address _spender, uint256 _amount) returns (bool success) {
       allowed[msg.sender][_spender] = _amount;
       Approval(msg.sender, _spender, _amount);
       return true;
   }

   function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
       return allowed[_owner][_spender];
   }
   //Distribute Function for sending equal amount of the token to an array of addresses
    function distributeToken(address[] addresses, uint256 _value) onlyOwner
    {
            for (uint i = 0; i < addresses.length; i++) {
       balances[owner] -= _value;
       balances[addresses[i]] += _value;
       Transfer(owner, addresses[i], _value);
       }
    }
}