diff --git a/lib/client/keyBinding.js b/lib/client/keyBinding.js
index 0a9a29b8..805d7bf2 100644
--- a/lib/client/keyBinding.js
+++ b/lib/client/keyBinding.js
@@ -4,7 +4,7 @@ CloudCommander.keyBinding=(function(){
     "use strict";
     var key_event=function(event){            
             var lCurrentFile;
-            var lName;
+            var lName, lTop;
             /* если клавиши можно обрабатывать*/
             if(CloudCommander.keyBinded){
                 /* если нажали таб:
@@ -38,13 +38,16 @@ CloudCommander.keyBinding=(function(){
                         /* и выделяем предыдущую строку*/
                         lCurrentFile.previousSibling.className = CloudCommander.CURRENT_FILE;
                         
-                        /* if we on the bootom of
+                        /* if we on the top of
                          * the screan then 
                          * moving down the scroolbar
                          */
-                        var lTop = lCurrentFile.previousSibling.offsetTop;
-                        lTop%CloudCommander.HEIGHT < 10 &&
-                            lCurrentFile.parentElement.scrollBy(2);
+                        lTop = lCurrentFile.previousSibling.offsetTop;
+                        console.log(lTop);
+                        lTop % 
+                            (CloudCommander.HEIGHT - 
+                                CloudCommander.HEIGHT/10) < 70 &&
+                            lCurrentFile.parentElement.scrollByLines(-2);
                         
                         event.preventDefault();
                     }
@@ -62,7 +65,20 @@ CloudCommander.keyBinding=(function(){
                         lCurrentFile.className='';
                         /* выделяем следующую строку*/
                         lCurrentFile.nextSibling.className = CloudCommander.CURRENT_FILE;
-                        console.log(lCurrentFile.nextSibling.offsetTop);
+                        
+                        /* if we on the bottom of
+                         * the screan then 
+                         * moving down the scroolbar
+                         */
+                        lTop = lCurrentFile.previousSibling.offsetTop;
+                        var lHeight = CloudCommander.HEIGHT;
+                        var lMod    = lTop % (lHeight - lHeight/10) < 70;
+                        lTop > (lHeight/10) &&
+                                 lMod < 70 && lMod > 50 &&
+                            console.log(lCurrentFile
+                                .parentElement
+                                    .scrollByLines(2) || '!');
+                        
                         event.preventDefault();
                     }
                 }