TabController = new Class({

  url: '',

  initialize: function(tab) {
    this.tab = $(tab);
  },

  sendAjaxRequest: function(data) {
    var request = new Request.HTML({
      method: 'post',
      data: data,
      url: this.url,
      update: this.tab
    });
    request.send();
    return this;
  },

  reload: function(url) {
    return this.sendAjaxRequest( {} );
  }

});