(function () {

  var func = Math.floor(Math.random() * 9999999999);

  var ref = document.getElementsByTagName('script');
  for (var i = 0, len = ref.length; i < len; i++) {
    var script = ref[i];
    var src = script.getAttribute('src');
    if (src) {
      var matches = src.match(/(promo_id=4063|\/chansey\/iframe.js)/);
    }

    if (src && !script.getAttribute('script-initialized') && matches) {
      script.setAttribute('script-initialized', true);

      function getParams() {
        var params = {};
        script.src.replace(/[?&]+([^=&]+)=([^&]*)/gi, function (m, key, value) {
          params[key] = decodeURIComponent(value);
        });
        return params;
      }

      var widget_src = src;
      var url_params = getParams();
      
      var js = document.createElement('script');
      var src = "//aswidgets.travelpayouts.com/chansey/iframe.js?marker=" + encodeURIComponent(url_params['shmarker']);
      delete(url_params['shmarker']);

      js.setAttribute('tp-chansey-initialized', 'true');
      js.setAttribute('script-initialized', 'true');
      js.src = src + '&' + Object.keys(url_params).map(function (key) {
        return key + '=' + encodeURIComponent(url_params[key])
      }).join('&');
      script.parentNode.insertBefore(js, script);

      break;

    }

  }

})();