<?
require_once ("tpl_show_history.inc.php");

		
class ShowHistoryAction
{
	public function __construct ()
	{
		// erweiterte Fehlermeldungen deaktivieren
		if (function_exists ('xdebug_disable')) {
			xdebug_disable ();
		}
		
		session_id () || session_start ();
		$edit = new ShowHistory ();
		
		switch ($_REQUEST['action']) {
			case "select":
				if ($edit->may_set_online) {
					$edit->select ($_REQUEST['id']);
				}
				break;
			case "undo":
				$edit->undo ();
				break;
			case "redo":
				$edit->redo ();
				break;
			case "multiuser":
				$edit->multiuser ();
				break;
			case "message":
				echo $edit->message ($_REQUEST['text']);
				break;
			default:
		}
	}
}


// Aktion Ausführen
new ShowHistoryAction ();
?>