diff --git a/lib/client/keyBinding.js b/lib/client/keyBinding.js
index 0e25dd0d..1ff103b1 100644
--- a/lib/client/keyBinding.js
+++ b/lib/client/keyBinding.js
@@ -24,9 +24,22 @@ CloudCommander.keyBinding=(function(){
                  */
                 if(event.keyCode===9){
                     console.log('Tab pressed');
+                    
+                    var lCURRENT_FILE = CloudCommander.CURRENT_FILE;
                     try{
-                        lCurrentFile=getByClass(CloudCommander.CURRENT_FILE)[0];
-                    }catch(error){console.log(error);}
+                        lCurrentFile = getByClass(lCURRENT_FILE)[0];
+                            
+                        /* changing parent panel of curent-file */
+                        var lId = lCurrentFile.parentElement.id;
+                        if(lId === 'right')lId = 'left';
+                        else lId = 'right';
+                        
+                        lCurrentFile.className = '';
+                        
+                        getById(lId).getByTagName('li')[2]
+                            .className = lCURRENT_FILE;
+                        
+                    }catch(error){console.log(error);}                    
                 }                
                 /* if f3 pressed */
                  else   if(event.keyCode===114){