public function display($cachable = false, $urlparams = array())
	{
		// Get the document object.
		$document = JFactory::getDocument();

		// Set the default view name and format from the Request.
		$vName   = $this->input->get('view', 'categories');
		$vFormat = $document->getType();
		$lName   = $this->input->get('layout', 'default', 'string');
		$id      = $this->input->getInt('id');

		// Check for edit form.
		if ($vName == 'category' && $lName == 'edit' && !$this->checkEditId('com_categories.edit.category', $id))
		{
			// Somehow the person just went to the form - we don't allow that.
			$this->setError(JText::sprintf('JLIB_APPLICATION_ERROR_UNHELD_ID', $id));
			$this->setMessage($this->getError(), 'error');
			$this->setRedirect(JRoute::_('index.php?option=com_categories&view=categories&extension=' . $this->extension, false));

			return false;
		}

		// Get and render the view.
		if ($view = $this->getView($vName, $vFormat))
		{
			// Get the model for the view.
			$model = $this->getModel($vName, 'CategoriesModel', array('name' => $vName . '.' . substr($this->extension, 4)));

			// Push the model into the view (as default).
			$view->setModel($model, true);
			$view->setLayout($lName);

			// Push document object into the view.
			$view->document = $document;

			// Load the submenu.
			JLoader::register('CategoriesHelper', JPATH_ADMINISTRATOR . '/components/com_categories/helpers/categories.php');

			CategoriesHelper::addSubmenu($model->getState('filter.extension'));
			$view->display();
		}

		return $this;
	}