Ethereum simple contract storage using logs (events) and query it

queryWall.js

var newWall = eth.contract([{"constant":false,"inputs":[{"name":"message","type":"string"}],"name":"publish","outputs":[],"payable":false,"type":"function"},{"payable":false,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"message","type":"string"},{"indexed":false,"name":"addr","type":"address"}],"name":"LogMessage","type":"event"}]).at("0xfFf537A2E812B0Cd738bf913a476FE45Bd5484bE");

var msgEvt = newWall.LogMessage({}, {fromBlock: 0, toBlock: 'latest'});

function getLogs(){
    msgEvt.get(function(err, logs){
        for(var k in logs){
            console.log(logs[k].args.message);
        }
    })
}

wall.sol

pragma solidity ^0.4.6;

contract NewWall {
    
    event LogMessage(string message, address addr);
    
    function publish(string message) {
        if (msg.value > 0) throw;
        LogMessage(message, msg.sender);
    }
    
    function () { throw; }
}