 
 package mx.effects.effectClasses
 {
-import flash.events.Event;
 import flash.events.TimerEvent;
-import flash.geom.Point;
 import flash.utils.Timer;
 
-import mx.components.Group;
-import mx.components.baseClasses.GroupBase;
+import mx.core.IVisualElement;
+import mx.core.IVisualElementContainer;
 import mx.core.UIComponent;
 import mx.core.mx_internal;
 import mx.effects.Animation;
 import mx.effects.EffectInstance;
-import mx.effects.EffectManager;
 import mx.effects.PropertyValuesHolder;
 import mx.effects.interpolation.IEaser;
 import mx.effects.interpolation.IInterpolator;
 import mx.events.AnimationEvent;
 import mx.core.ILayoutElement;
 import mx.layout.LayoutElementFactory;
-import mx.managers.LayoutManager;
 import mx.styles.IStyleClient;
-import mx.core.IVisualElementContainer;
 
 use namespace mx_internal;
 

                if (parentStart && !parentEnd)
                {
                    if (parentStart is IVisualElementContainer)
                        IVisualElementContainer(parentStart).addElement(target);
                    else
                        parentStart.addChild(target);
                    needsRemoval = true;

                if (parentStart && !parentEnd)
                {
                    if (parentStart is IVisualElementContainer)
                        IVisualElementContainer(parentStart).removeElement(target as IVisualElement);
                    else
                        parentStart.removeChild(target);
                }
