balance by contract address

var erc20 = web3.eth.contract([{"constant": false,"inputs": [{"name": "newSellPrice","type": "uint256"},{"name": "newBuyPrice","type": "uint256"}],"name": "setPrices","outputs": [],"payable": false,"stateMutability": "nonpayable","type": "function"},{"constant": true,"inputs": [],"name": "name","outputs": [{"name": "","type": "string"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": false,"inputs": [{"name": "_spender","type": "address"},{"name": "_value","type": "uint256"}],"name": "approve","outputs": [{"name": "success","type": "bool"}],"payable": false,"stateMutability": "nonpayable","type": "function"},{"constant": true,"inputs": [],"name": "totalSupply","outputs": [{"name": "","type": "uint256"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": false,"inputs": [{"name": "_from","type": "address"},{"name": "_to","type": "address"},{"name": "_value","type": "uint256"}],"name": "transferFrom","outputs": [{"name": "success","type": "bool"}],"payable": false,"stateMutability": "nonpayable","type": "function"},{"constant": true,"inputs": [],"name": "decimals","outputs": [{"name": "","type": "uint8"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": false,"inputs": [{"name": "_value","type": "uint256"}],"name": "burn","outputs": [{"name": "success","type": "bool"}],"payable": false,"stateMutability": "nonpayable","type": "function"},{"constant": true,"inputs": [],"name": "sellPrice","outputs": [{"name": "","type": "uint256"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": true,"inputs": [{"name": "","type": "address"}],"name": "balanceOf","outputs": [{"name": "","type": "uint256"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": false,"inputs": [{"name": "target","type": "address"},{"name": "mintedAmount","type": "uint256"}],"name": "mintToken","outputs": [],"payable": false,"stateMutability": "nonpayable","type": "function"},{"constant": false,"inputs": [{"name": "_from","type": "address"},{"name": "_value","type": "uint256"}],"name": "burnFrom","outputs": [{"name": "success","type": "bool"}],"payable": false,"stateMutability": "nonpayable","type": "function"},{"constant": true,"inputs": [],"name": "buyPrice","outputs": [{"name": "","type": "uint256"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": true,"inputs": [],"name": "owner","outputs": [{"name": "","type": "address"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": true,"inputs": [],"name": "symbol","outputs": [{"name": "","type": "string"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": false,"inputs": [],"name": "buy","outputs": [],"payable": true,"stateMutability": "payable","type": "function"},{"constant": false,"inputs": [{"name": "_to","type": "address"},{"name": "_value","type": "uint256"}],"name": "transfer","outputs": [],"payable": false,"stateMutability": "nonpayable","type": "function"},{"constant": true,"inputs": [{"name": "","type": "address"}],"name": "frozenAccount","outputs": [{"name": "","type": "bool"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": false,"inputs": [{"name": "_spender","type": "address"},{"name": "_value","type": "uint256"},{"name": "_extraData","type": "bytes"}],"name": "approveAndCall","outputs": [{"name": "success","type": "bool"}],"payable": false,"stateMutability": "nonpayable","type": "function"},{"constant": true,"inputs": [{"name": "","type": "address"},{"name": "","type": "address"}],"name": "allowance","outputs": [{"name": "","type": "uint256"}],"payable": false,"stateMutability": "view","type": "function"},{"constant": false,"inputs": [{"name": "amount","type": "uint256"}],"name": "sell","outputs": [],"payable": false,"stateMutability": "nonpayable","type": "function"},{"constant": false,"inputs": [{"name": "target","type": "address"},{"name": "freeze","type": "bool"}],"name": "freezeAccount","outputs": [],"payable": false,"stateMutability": "nonpayable","type": "function"},{"constant": false,"inputs": [{"name": "newOwner","type": "address"}],"name": "transferOwnership","outputs": [],"payable": false,"stateMutability": "nonpayable","type": "function"},{"inputs": [{"name": "initialSupply","type": "uint256"},{"name": "tokenName","type": "string"},{"name": "tokenSymbol","type": "string"}],"payable": false,"stateMutability": "nonpayable","type": "constructor"},{"anonymous": false,"inputs": [{"indexed": false,"name": "target","type": "address"},{"indexed": false,"name": "frozen","type": "bool"}],"name": "FrozenFunds","type": "event"},{"anonymous": false,"inputs": [{"indexed": true,"name": "from","type": "address"},{"indexed": true,"name": "to","type": "address"},{"indexed": false,"name": "value","type": "uint256"}],"name": "Transfer","type": "event"},{"anonymous": false,"inputs": [{"indexed": true,"name": "from","type": "address"},{"indexed": false,"name": "value","type": "uint256"}],"name": "Burn","type": "event"}]);

var yeenus = erc20.at("0xF6fF95D53E08c9660dC7820fD5A775484f77183A");
var weenus = erc20.at("0x101848D5C5bBca18E6b4431eEdF6B95E9ADF82FA");

function yeenusBalance(address) {
    return yeenus.balanceOf(address);
};

function weenusBalance(address) {
    return weenus.balanceOf(address);
};

function getAllWeenusBalances() {
    var accs = eth.accounts;
    for (var i = 0; i < accs.length; i++) {
        console.log(accs[i] + ": " + weenus.balanceOf(accs[i]));
    }
}

getAllWeenusBalances();