diff --git a/lib/client/dom.js b/lib/client/dom.js
index 73b37bed..15a4d2db 100644
--- a/lib/client/dom.js
+++ b/lib/client/dom.js
@@ -3,7 +3,8 @@ var CloudCommander, Util, DOM, CloudFunc;
 (function(Util){
     'use strict';
     
-    var DOMConstructor          = function(){},
+    var DOMProto                = {},
+        DOMConstructor          = function(){},
         CURRENT_FILE            = 'current-file',
         SELECTED_FILE           = 'selected-file',
         XMLHTTP, Title,
@@ -256,16 +257,205 @@ var CloudCommander, Util, DOM, CloudFunc;
                 return (pElement || document).getElementsByClassName(pClass);
             };
         },
+        EventsProto             = function(){
+            /**
+             * safe add event listener
+             * 
+             * @param pType
+             * @param pListener
+             * @param pUseCapture
+             * @param pElement {document by default}
+             */
+            this.addListener             = function(pType, pListener, pElement, pUseCapture){
+                var lRet        = this,
+                    lElement    = (pElement || window);
+                
+                if( lElement.addEventListener)
+                    lElement.addEventListener(
+                        pType,
+                        pListener,
+                        pUseCapture
+                    );
+                
+                return lRet;
+            };
+            
+            /**
+             * safe add event listener
+             * 
+             * @param pType
+             * @param pListener
+             * @param pUseCapture
+             * @param pElement {document by default}
+             */
+            this.addOneTimeListener       = function(pType, pListener, pElement, pUseCapture){
+                var lRet        = this,
+                    lOneTime    = function (pEvent){
+                        lRet.removeListener(pType, lOneTime, pElement, pUseCapture);
+                        pListener(pEvent);
+                    };
+                
+                this.addListener(pType, lOneTime, pElement, pUseCapture);
+                
+                return lRet;
+            };
+            
+            /**
+             * safe remove event listener
+             * 
+             * @param pType
+             * @param pListener
+             * @param pUseCapture
+             * @param pElement {document by default}
+             */
+            this.removeListener             = function(pType, pListener, pElement, pUseCapture){
+                var lRet = this;
+                
+                (pElement || window).removeEventListener(
+                    pType,
+                    pListener,
+                    pUseCapture
+                );
+                
+                return lRet;
+            };
+            
+            
+            /**
+             * safe add event keydown listener
+             * 
+             * @param pListener
+             * @param pUseCapture
+             */
+            this.addKeyListener          = function(pListener, pElement, pUseCapture){
+                return this.addListener('keydown', pListener, pElement, pUseCapture);
+            };
+            
+            /**
+             * safe add event click listener
+             * 
+             * @param pListener
+             * @param pUseCapture
+             */
+            this.addClickListener        = function(pListener, pElement, pUseCapture){
+                return this.addListener('click', pListener, pElement, pUseCapture);
+            };
+            
+            this.addContextMenuListener        = function(pListener, pElement, pUseCapture){
+                return this.addListener('contextmenu', pListener, pElement, pUseCapture);
+            };
+            
+            /**
+             * safe add event click listener
+             * 
+             * @param pListener
+             * @param pUseCapture
+             */
+            this.addErrorListener        = function(pListener, pElement, pUseCapture){
+                return this.addListener('error', pListener, pElement, pUseCapture);
+            };
+            
+            /**
+             * crossbrowser create event
+             * 
+             * @param pEventName
+             * @param pKeyCode - not necessarily
+             */
+            this.createEvent             = function(pEventName, pKeyCode){
+                var lEvent = document.createEvent('Event');
+                
+                lEvent.initEvent(pEventName, true, true);
+                
+                if(pKeyCode)
+                    lEvent.keyCode = pKeyCode;
+                
+                lEvent.isDefaultPrevented = function(){
+                    return this.defaultPrevented;
+                };
+                
+                return lEvent;
+            };
+            
+            
+            /**
+             * create keydown event
+             * 
+             * @param pKeyCode
+             */
+            this.createKeyEvent          = function(pKeyCode){
+                return this.createEvent('keydown', pKeyCode);
+            };
+            
+            /**
+             * create click event
+             * 
+             * @param pKeyCode
+             */
+            this.createClickEvent          = function(){
+                return this.createEvent('click');
+            };
+            
+            /**
+             * create click event
+             * 
+             * @param pKeyCode
+             */
+            this.createDblClickEvent          = function(){
+                return this.createEvent('dblclick');
+            };
+            
+            /**
+             * dispatch event
+             * 
+             * @param pEvent
+             */
+            this.dispatch                = function(pEvent, pElement){
+                return (pElement || window).dispatchEvent(pEvent);
+            };
+            
+            /**
+             * dispatch keydown event
+             * 
+             * @param pKeyCode
+             * @param pElement
+             */
+            this.dispatchKeyEvent        = function(pKeyCode, pElement){
+                var lEvent  = this.createKeyEvent(pKeyCode),
+                    lRet    = this.dispatch(lEvent, pElement);
+                
+                return lRet;
+            };
+            
+            /**
+             * dispatch click event
+             * 
+             * @param pElement
+             */
+            this.dispatchClickEvent        = function(pElement){
+                var lEvent  = this.createClickEvent(),
+                    lRet    = this.dispatch(lEvent, pElement);
+                
+                return lRet;
+            };
+            
+            /**
+             * dispatch dblclick event
+             * 
+             * @param pElement
+             */
+            this.dispatchDblClickEvent        = function(pElement){
+                var lEvent  = this.createDblClickEvent(),
+                    lRet    = this.dispatch(lEvent, pElement);
+                
+                return lRet;
+            };
+        },
+        
         RESTfull                = function(){},
         Images                  = function(){},
-        DOMTreeConstructor      = function(){},
-        DOMTree,
-        DOMProto;
-    
-    DOMTreeConstructor.prototype= new DOMTreeProto();
-    DOMTree                     = new DOMTreeConstructor();
-    
-    DOMProto                    = new DOMTreeConstructor();
+        DOMTreeConstructor      = function(){};
+        
+    Util.extend(DOMProto, [DOMTreeProto, EventsProto]);
     DOMConstructor.prototype    = DOMProto;
     DOM                         = new DOMConstructor();
     
@@ -290,199 +480,6 @@ var CloudCommander, Util, DOM, CloudFunc;
     }
     
     
-    /**
-     * safe add event listener
-     * 
-     * @param pType
-     * @param pListener
-     * @param pUseCapture
-     * @param pElement {document by default}
-     */
-    DOMProto.addListener             = function(pType, pListener, pElement, pUseCapture){
-        var lRet        = this,
-            lElement    = (pElement || window);
-        
-        if( lElement.addEventListener)
-            lElement.addEventListener(
-                pType,
-                pListener,
-                pUseCapture
-            );
-        
-        return lRet;
-    };
-    
-    /**
-     * safe add event listener
-     * 
-     * @param pType
-     * @param pListener
-     * @param pUseCapture
-     * @param pElement {document by default}
-     */
-    DOMProto.addOneTimeListener       = function(pType, pListener, pElement, pUseCapture){
-        var lRet        = this,
-            lOneTime    = function (pEvent){
-                DOMProto.removeListener(pType, lOneTime, pElement, pUseCapture);
-                pListener(pEvent);
-            };
-        
-        DOMProto.addListener(pType, lOneTime, pElement, pUseCapture);
-        
-        return lRet;
-    };
-    
-    /**
-     * safe remove event listener
-     * 
-     * @param pType
-     * @param pListener
-     * @param pUseCapture
-     * @param pElement {document by default}
-     */
-    DOMProto.removeListener             = function(pType, pListener, pElement, pUseCapture){
-        var lRet = this;
-        
-        (pElement || window).removeEventListener(
-            pType,
-            pListener,
-            pUseCapture
-        );
-        
-        return lRet;
-    };
-    
-    
-    /**
-     * safe add event keydown listener
-     * 
-     * @param pListener
-     * @param pUseCapture
-     */
-    DOMProto.addKeyListener          = function(pListener, pElement, pUseCapture){
-        return DOMProto.addListener('keydown', pListener, pElement, pUseCapture);
-    };
-    
-    /**
-     * safe add event click listener
-     * 
-     * @param pListener
-     * @param pUseCapture
-     */
-    DOMProto.addClickListener        = function(pListener, pElement, pUseCapture){
-        return DOMProto.addListener('click', pListener, pElement, pUseCapture);
-    };
-    
-    DOMProto.addContextMenuListener        = function(pListener, pElement, pUseCapture){
-        return DOMProto.addListener('contextmenu', pListener, pElement, pUseCapture);
-    };
-    
-    /**
-     * safe add event click listener
-     * 
-     * @param pListener
-     * @param pUseCapture
-     */
-    DOMProto.addErrorListener        = function(pListener, pElement, pUseCapture){
-        return DOMProto.addListener('error', pListener, pElement, pUseCapture);
-    };
-    
-    /**
-     * crossbrowser create event
-     * 
-     * @param pEventName
-     * @param pKeyCode - not necessarily
-     */
-    DOMProto.createEvent             = function(pEventName, pKeyCode){
-        var lEvent = document.createEvent('Event');
-        
-        lEvent.initEvent(pEventName, true, true);
-        
-        if(pKeyCode)
-            lEvent.keyCode = pKeyCode;
-        
-        lEvent.isDefaultPrevented = function(){
-            return this.defaultPrevented;
-        };
-        
-        return lEvent;
-    };
-    
-    
-    /**
-     * create keydown event
-     * 
-     * @param pKeyCode
-     */
-    DOMProto.createKeyEvent          = function(pKeyCode){
-        return DOMProto.createEvent('keydown', pKeyCode);
-    };
-    
-    /**
-     * create click event
-     * 
-     * @param pKeyCode
-     */
-    DOMProto.createClickEvent          = function(){
-        return DOMProto.createEvent('click');
-    };
-    
-    /**
-     * create click event
-     * 
-     * @param pKeyCode
-     */
-    DOMProto.createDblClickEvent          = function(){
-        return DOMProto.createEvent('dblclick');
-    };
-    
-    /**
-     * dispatch event
-     * 
-     * @param pEvent
-     */
-    DOMProto.dispatch                = function(pEvent, pElement){
-        return (pElement || window).dispatchEvent(pEvent);
-    };
-    
-    /**
-     * dispatch keydown event
-     * 
-     * @param pKeyCode
-     * @param pElement
-     */
-    DOMProto.dispatchKeyEvent        = function(pKeyCode, pElement){
-        var lEvent  = DOMProto.createKeyEvent(pKeyCode),
-            lRet    = DOMProto.dispatch(lEvent, pElement);
-        
-        return lRet;
-    };
-    
-    /**
-     * dispatch click event
-     * 
-     * @param pElement
-     */
-    DOMProto.dispatchClickEvent        = function(pElement){
-        var lEvent  = DOMProto.createClickEvent(),
-            lRet    = DOMProto.dispatch(lEvent, pElement);
-        
-        return lRet;
-    };
-    
-    /**
-     * dispatch dblclick event
-     * 
-     * @param pElement
-     */
-    DOMProto.dispatchDblClickEvent        = function(pElement){
-        var lEvent  = DOMProto.createDblClickEvent(),
-            lRet    = DOMProto.dispatch(lEvent, pElement);
-        
-        return lRet;
-    };
-    
-    
     /**
      * load file countent thrue ajax
      * 
diff --git a/lib/util.js b/lib/util.js
index 66e7a8b5..b0d82633 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -168,6 +168,23 @@ Util = exports || {};
         return lRet;
     };
     
+    Util.extend                 = function(pTarget, PObj){
+        var i, n, lObj, lRet = Util.isObject(pTarget) ? pTarget : {};
+        
+        if( Util.isArray(PObj) )
+            for(i = 0, n = PObj.length; i < n; i++)
+                Util.extend(pTarget, PObj[i]);
+        
+        else if(PObj){
+            lObj = Util.isFunction(PObj)  ? new PObj() : PObj;
+            
+            for(i in lObj)
+                lRet[i] = lObj[i];
+        }
+        
+        return lRet;
+    };
+    
     /** for function
      *  @param pI
      *  @param pN