diff --git a/src/messenger/webim/js/164/chat.js b/src/messenger/webim/js/164/chat.js
index 9e4efe8e..28e48be5 100644
--- a/src/messenger/webim/js/164/chat.js
+++ b/src/messenger/webim/js/164/chat.js
@@ -1,3 +1,10 @@
+/*
+ This file is part of Mibew Messenger project.
+ http://mibew.org
+
+ Copyright (c) 2005-2010 Mibew Messenger Community
+ License: http://mibew.org/license.php
+*/
var FrameUtils={getDocument:function(a){return a.contentDocument?a.contentDocument:a.contentWindow?a.contentWindow.document:a.document?a.document:null},initFrame:function(a){var b=this.getDocument(a);b.open();b.write("");b.write('');b.write("");b.write("");
b.write("");b.close();a.onload=function(){if(a.myHtml){FrameUtils.getDocument(a).getElementById("content").innerHTML+=a.myHtml;FrameUtils.scrollDown(a)}}},insertIntoFrame:function(a,b){var c=this.getDocument(a).getElementById("content");if(c==null){if(!a.myHtml)a.myHtml="";a.myHtml+=b}else c.innerHTML+=b},scrollDown:function(a){var b=this.getDocument(a).getElementById("bottom");if(myAgent=="opera")try{a.contentWindow.scrollTo(0,this.getDocument(a).getElementById("content").clientHeight)}catch(c){}b&&
b.scrollIntoView(false)}};Ajax.ChatThreadUpdater=Class.create();
diff --git a/src/messenger/webim/js/164/common.js b/src/messenger/webim/js/164/common.js
index 6b22a7d3..28fa54cb 100644
--- a/src/messenger/webim/js/164/common.js
+++ b/src/messenger/webim/js/164/common.js
@@ -1,3 +1,10 @@
+/*
+ This file is part of Mibew Messenger project.
+ http://mibew.org
+
+ Copyright (c) 2005-2010 Mibew Messenger Community
+ License: http://mibew.org/license.php
+*/
var Class={create:function(){return function(){this.initialize.apply(this,arguments)}},inherit:function(a,b,c){Object.extend(Object.extend(a.prototype,b.prototype),c)}};Object.extend=function(a,b){for(property in b)a[property]=b[property];return a};Object.prototype.extend=function(a){return Object.extend.apply(this,[this,a])};Function.prototype.bind=function(a){var b=this;return function(){return b.apply(a,arguments)}};
Function.prototype.bindAsEventListener=function(a){var b=this;return function(c){b.call(a,c||window.event)}};Number.prototype.toColorPart=function(){var a=this.toString(16);if(this<16)return"0"+a;return a};var Try={these:function(){for(var a,b=0;b
+ * common.js Based on Prototype JavaScript framework, version 1.3.1
+ * http://prototype.conio.net/ (c) 2005 Sam Stephenson
*/
//- getEl, myAgent, myRealAgent
diff --git a/src/messenger/webim/js/source/users.js b/src/messenger/webim/js/source/users.js
index d02cc636..89738c82 100644
--- a/src/messenger/webim/js/source/users.js
+++ b/src/messenger/webim/js/source/users.js
@@ -1,3 +1,11 @@
+/**
+ * @preserve This file is part of Mibew Messenger project.
+ * http://mibew.org
+ *
+ * Copyright (c) 2005-2010 Mibew Messenger Community
+ * License: http://mibew.org/license.php
+ */
+
Ajax.PeriodicalUpdater = Class.create();
Class.inherit( Ajax.PeriodicalUpdater, Ajax.Base, {