--- a/index.php	Tue Apr 21 16:41:36 2015 +0200
+++ b/index.php	Thu Apr 23 14:58:27 2015 +0200
@@ -1,15 +1,36 @@
+<?php
+/*
+ * Copyright (c) 2015, Zoe Hong. All rights reserved.
+ * Extraction-interface is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Extraction-interface is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-<?php
-/*! \file
-* This is the entry of extraction-interface. 
-* index.php includes neccessary libraries and create a Loader to handle the controll and actions.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+*/
+/*
+ * Author: Zoe Hong
+ * Version: 0.1
+ * Lastest updating date: 15.04.2015
 */
 
-/*
-* Author: Zoe Hong
-* Version: 1.0
-* Date: 15.04.2015
-*/ 
+/*! \file
+ * This is the entry of Extraction-interface. 
+ * index.php includes neccessary libraries and create a Loader to handle the controll and actions.
+ * 
+*/
+ 
 
 header("Content-Type: text/html;charset=utf-8");
 // system configiration