diff --git a/lib/client/keyBinding.js b/lib/client/keyBinding.js
index 1ff103b1..894d25e9 100644
--- a/lib/client/keyBinding.js
+++ b/lib/client/keyBinding.js
@@ -11,6 +11,11 @@ CloudCommander.keyBinding=(function(){
         return document.getElementById(pId);
     };
     
+    var lTabPanel   = {
+        left        : 0,
+        right       : 0
+        
+    };
     var key_event=function(event){            
             var lCurrentFile;
             var lName, lTop;
@@ -31,14 +36,21 @@ CloudCommander.keyBinding=(function(){
                             
                         /* changing parent panel of curent-file */
                         var lId = lCurrentFile.parentElement.id;
-                        if(lId === 'right')lId = 'left';
-                        else lId = 'right';
                         
-                        lCurrentFile.className = '';
+                        lTabPanel[lId] = lCurrentFile;
+                                                
+                        lId = (lId === 'right')?
+                            'left':'right';                        
                         
-                        getById(lId).getByTagName('li')[2]
-                            .className = lCURRENT_FILE;
+                        if(lTabPanel[lId])
+                            lTabPanel[lId].className = lCurrentFile;
                         
+                        else
+                            getById(lId).getElementsByTagName('li')[2]
+                                    .className = lCURRENT_FILE;
+                        
+                        lCurrentFile.className = '';                        
+                                                                                                
                     }catch(error){console.log(error);}                    
                 }                
                 /* if f3 pressed */