text: var serviceUrl = "http://localhost:1234/";
  var irbisBusy = false;
  
  function addOption(list, value, text)
  {
      var el = document.createElement("option");
      el.value = value;
      el.textContent = text;
      list.appendChild(el);
  }
  
  function clearList(list)
  {
      for (i = list.options.length - 1; i >= 0; i--)
      {
          list.remove(i);
      }
  }
  
  