function modificarAction()
 {
     $this->view->subtitle = "Modificar Configuración";
     $configuracion = new Configuracion();
     if ($this->_request->isPost()) {
         Zend_Loader::loadClass('Zend_Filter_StripTags');
         $filter = new Zend_Filter_StripTags();
         $id = (int) $this->_request->getPost('id');
         $sitio_color_fondo = trim($filter->filter($this->_request->getPost('sitio_color_fondo')));
         $sitio_color_cabezal = trim($filter->filter($this->_request->getPost('sitio_color_cabezal')));
         $sitio_color_pie = trim($filter->filter($this->_request->getPost('sitio_color_pie')));
         if ($id !== false) {
             $data = array('sitio_color_fondo' => $sitio_color_fondo, 'sitio_color_cabezal' => $sitio_color_cabezal, 'sitio_color_pie' => $sitio_color_pie, 'id_sitio' => $this->session->sitio->id);
             $where = 'id = ' . $id;
             $configuracion->update($data, $where);
             $this->_redirect('/admin/configuracion/');
             return;
         }
     } else {
         $id = (int) $this->_request->getParam('id', 0);
         if ($id > 0) {
             $this->view->configuracion = Configuracion::getConfiguracionSitio($id);
         }
     }
     $this->view->action = "modificar";
     $this->view->buttonText = "Modificar";
     $this->view->scriptJs = "mooRainbow";
 }