YAHOO.widget.ContainerEffect
                                
                                        
                            
                        
                                    (
  
                                        
                                                
                                                overlay
                                                , 
                                                attrIn
                                                , 
                                                attrOut
                                                , 
                                                targetElement
                                                , 
                                                Optional.
                                    )
                                
                                - Parameters:
- 
                                                    overlay <YAHOO.widget.Overlay>The Overlay that the animation should be associated with
- 
                                                    attrIn <Object>The object literal representing the animation arguments to be used for the animate-in transition. The arguments for this literal are: attributes(object, see YAHOO.util.Anim for description), duration(Number), and method(i.e. Easing.easeIn).
- 
                                                    attrOut <Object>The object literal representing the animation arguments to be used for the animate-out transition. The arguments for this literal are: attributes(object, see YAHOO.util.Anim for description), duration(Number), and method(i.e. Easing.easeIn).
- 
                                                    targetElement <HTMLElement>Optional. The target element that should be animated during the transition. Defaults to overlay.element.
- 
                                                    Optional. <class>The animation class to instantiate. Defaults to YAHOO.util.Anim. Other options include YAHOO.util.Motion.