Checks to see if a website is down

pingWebsite.js

var http = require('http');

module['exports'] = function pingWebsite (hook) {
  var sites = [
    'http://trikoko.herokuapp.com',
    'http://www.fitcor.cz',
    'http://www.vystavuj.cz'
  ];
  for(url in sites) {
    http.get(url, function(res){
      hook.res.end('false');
    }).on('error', function (){
      hook.res.end('true');
    });
  }
};