(function() {
  "use strict";

  var containerElement = document.createElement("div");
  containerElement.className = "livecall-widget-container";
  document.body.appendChild(containerElement);

  var supportedCharsets = ["iso-8859-2", "windows-1250", "windows-1251"];
  var charset = (document.inputEncoding || document.characterSet || document.charset || document.defaultCharset).toLowerCase();
  var scriptNameSuffix = "";
  if (supportedCharsets.indexOf(charset) > -1) {
    scriptNameSuffix = "-" + charset;
  }

  if (typeof window._livecallSettings !== 'object') {
    window._livecallSettings = {};
  }


  window._livecallSettings.id = '6723';

  (function(d, s, id) {
    var js, fjs = d.getElementsByTagName(s)[0];
    if (d.getElementById(id)) return;
    js = d.createElement(s); js.id = id;
    js.async = true;
    js.src = "https://assets.livecall.io/assets/livecall-widget" + scriptNameSuffix + ".js";
    fjs.parentNode.insertBefore(js, fjs);
  })(document, "script", "livecall-script");
}());