     //  Touch scrolling methods
     //
     //--------------------------------------------------------------------------
-    
+	
     /**
      *  @private
      *  Add touch listeners

            viewport.clipAndEnableScrolling = true;
            Group(skin).addElementAt(viewport, 0);
            viewport.addEventListener(PropertyChangeEvent.PROPERTY_CHANGE, viewport_propertyChangeHandler);
            systemManager.stage.addEventListener("orientationChange",orientationChangeHandler);
        }
        if (verticalScrollBar)
            verticalScrollBar.viewport = viewport;

                var scrollStartEvent:TouchInteractionEvent = new TouchInteractionEvent(TouchInteractionEvent.TOUCH_INTERACTION_START, true, true);
                scrollStartEvent.relatedObject = scroller;
                scrollStartEvent.reason = TouchInteractionReason.SCROLL;
				dispatchBubblingEventOnMouseDownedDisplayObject(scrollStartEvent);
                
                isScrolling = true;
                
