diff --git a/apps/common/main/lib/component/TabBar.js b/apps/common/main/lib/component/TabBar.js
index 785530d4e7..ba7c42896b 100644
--- a/apps/common/main/lib/component/TabBar.js
+++ b/apps/common/main/lib/component/TabBar.js
@@ -528,43 +528,83 @@ define([
                 }
                 var rightbound = this.$bar.width(),
                     tab, right, left;
-                if (index == 'forward') {
-                    for (var i = 0; i < this.tabs.length; i++) {
-                        tab = this.tabs[i].$el;
-                        right = Common.Utils.getPosition(tab).left + parseInt(tab.css('width'));
-
-                        if (right > rightbound) {
-                            this.$bar.scrollLeft(this.$bar.scrollLeft() + (right - rightbound) + (this.$bar.width() > 400 ? 20 : 5));
-                            this.checkInvisible(suppress);
-                            break;
+                    if (this.isRTL) {
+                        if (index == 'forward') {
+                            for (var i = this.tabs.length - 1; i >= 0; i--) {
+                                tab = this.tabs[i].$el;
+                                right = Common.Utils.getPosition(tab).left + parseInt(tab.css('width'));
+            
+                                if (right > rightbound) {
+                                    this.$bar.scrollLeft(this.$bar.scrollLeft() + (right - rightbound) + (rightbound > 400 ? 20 : 5));
+                                    this.checkInvisible(suppress);
+                                    break;
+                                }
+                            }
                         }
-                    }
-                } else if (index == 'backward') {
-                    for (i = this.tabs.length; i-- > 0; ) {
-                        tab = this.tabs[i].$el;
-                        left = Common.Utils.getPosition(tab).left;
-
-                        if (left < 0) {
-                            this.$bar.scrollLeft(this.$bar.scrollLeft() + left - 26);
-                            this.checkInvisible(suppress);
-                            break;
+                        else if (index == 'backward') {
+                            for (var i = 0; i < this.tabs.length; i++) {
+                                tab = this.tabs[i].$el;
+                                left = Common.Utils.getPosition(tab).left;
+            
+                                if (left < 0) {
+                                    this.$bar.scrollLeft(this.$bar.scrollLeft() + left - 26);
+                                    this.checkInvisible(suppress);
+                                    break;
+                                }
+                            }
+                        } 
+                        else if (typeof index == 'number') {
+                            tab = this.tabs[index].$el;
+                            left = Common.Utils.getPosition(tab).left;
+                            right = left + parseInt(tab.css('width'));
+            
+                            if (right > rightbound) {
+                                this.$bar.scrollLeft(this.$bar.scrollLeft() + (right - rightbound) + 20);
+                                this.checkInvisible(suppress);
+                            } else if (left < 0) {
+                                this.$bar.scrollLeft(this.$bar.scrollLeft() + left - 26);
+                                this.checkInvisible(suppress);
+                            }
+                        }
+                    } else {
+                        if (index == 'forward') {
+                            for (var i = 0; i < this.tabs.length; i++) {
+                                tab = this.tabs[i].$el;
+                                right = Common.Utils.getPosition(tab).left + parseInt(tab.css('width'));
+        
+                                if (right > rightbound) {
+                                    this.$bar.scrollLeft(this.$bar.scrollLeft() + (right - rightbound) + (this.$bar.width() > 400 ? 20 : 5));
+                                    this.checkInvisible(suppress);
+                                    break;
+                                }
+                            }
+                        } else if (index == 'backward') {
+                            for (i = this.tabs.length; i-- > 0; ) {
+                                tab = this.tabs[i].$el;
+                                left = Common.Utils.getPosition(tab).left;
+        
+                                if (left < 0) {
+                                    this.$bar.scrollLeft(this.$bar.scrollLeft() + left - 26);
+                                    this.checkInvisible(suppress);
+                                    break;
+                                }
+                            }
+                        } else if (typeof index == 'number') {
+                            tab = this.tabs[index].$el;
+                            left = Common.Utils.getPosition(tab).left;
+                            right = left + parseInt(tab.css('width'));
+        
+                            if (left < 0) {
+                                this.$bar.scrollLeft(this.$bar.scrollLeft() + left - 26);
+                                this.checkInvisible(suppress);
+                            } else if (right > rightbound) {
+                                this.$bar.scrollLeft(this.$bar.scrollLeft() + (right - rightbound) + 20);
+                                this.checkInvisible(suppress);
+                            }
                         }
-                    }
-                } else if (typeof index == 'number') {
-                    tab = this.tabs[index].$el;
-                    left = Common.Utils.getPosition(tab).left;
-                    right = left + parseInt(tab.css('width'));
-
-                    if (left < 0) {
-                        this.$bar.scrollLeft(this.$bar.scrollLeft() + left - 26);
-                        this.checkInvisible(suppress);
-                    } else if (right > rightbound) {
-                        this.$bar.scrollLeft(this.$bar.scrollLeft() + (right - rightbound) + 20);
-                        this.checkInvisible(suppress);
                     }
                 }
-            }
-        },
+            },       
 
         checkInvisible: function(suppress) {
             var result = {