Enhancements to group handling

application/classes/controller/lnapp/tree.php

@@ -81,9 +81,9 @@ $(function () {
 	 * The incoming ID is either a Branch B_x or a Node N_x
 	 * Where X is actually the module.
 	 *
-	 * @param id
+	 * @param array $data Tree data passed in by inherited methods
 	 */
-	public function action_json($id=null,array $data=array()) {
+	public function action_json(array $data=array()) {
 		if ($this->_auth_required() AND ! Auth::instance()->logged_in()) {
 			$this->output = array('attr'=>array('id'=>'a_login'),
 				'data'=>array('title'=>_('Please Login').'...','attr'=>array('id'=>'N_login','href'=>URL::site('/login'))));