blah.js

var headers = {
    'Host': 'mjs.bg',
    'User-Agent': 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:30.0) Gecko/20100101 Firefox/30.0',
    'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
    'Accept-Language': 'en-US,en;q=0.5',
    'Accept-Encoding': 'gzip, deflate',
    'DNT': '1',
    'Referer': 'http://mjs.bg/emsg/index.php',
    //'Cookie': '__atuvc=1%7C50; __atuvs=548a27de1a432a1d000; MPBG_SESSION=ar7vv40okm53qu96cdk63e27m6',
    'Cookie' : '__atuvc=5%7C10%2C4%7C11%2C3%7C12%2C6%7C13%2C3%7C14; __atuvs=55292a2c65ac7d41000; MPBG_SESSION=lugfgvglauqf9ncigln1jl5u71',
    'Connection': 'keep-alive',
    'Cache-Control': 'max-age=0'
};

// npm install bluebird cheerio request range
// node crawly.js
var Promise = require('bluebird');
var cheerio = require('cheerio');
var request = Promise.promisifyAll(require('request'));
var range = require('range');
var texts = range(1, 10000).map(function(n) {
    return request.postAsync({
        url: 'http://mjs.bg/emsg/index.php',
        headers: headers,
        form: {action:'search', year: 2014, number:n}
    }).spread(function(resp, body) {
        var $ = cheerio.load(body);
        console.error("Downloaded case", n);
        console.error($('#container .case').text());
        return {n: n, text: $('#container .case').text()};
    });
});

Promise.all(texts).then(console.log);