text: function ApiClient() {}
  
  ApiClient.prototype.request = function(urlString, callback, param) {
      var self = this;
  
      var myRequest = new Request({
          url: urlString,
          method: 'get',
          onRequest: function() {
              //console.log('loading: ' + urlString);
          },
  
          onSuccess: function(responseText) {
              //console.log("ApiClient received: " + responseText);
              callback(responseText, param);
          },
  
          onFailure: function() {
              console.log('error');
          }
      });
  
      myRequest.send();
  }