     {
         // Remember the original value of the target object's alpha
         origAlpha = target.alpha;
-        var revalidate:Boolean = false;
-        
         var propChanges:PropertyChanges = propertyChanges;
         
         // If nobody assigned a value, make this a "show" effect.

import mx.effects.Animation;
import mx.effects.PropertyValuesHolder;
import mx.events.AnimationEvent;
import mx.graphics.graphicsClasses.GraphicElement;

import mx.effects.effectClasses.PropertyChanges;
import mx.events.FlexEvent;
import mx.managers.LayoutManager;
    
public class FxFadeInstance extends FxAnimateInstance

     *  where 0.0 means transparent and 1.0 means fully opaque.
     */
    public var alphaTo:Number;

    /**
     *  @private
     */
