     public var alphaFrom:Number;
     
     //----------------------------------
-    //  alphaFrom
+    //  alphaTo
     //----------------------------------
 
     /** 

        {
            makeInvisible = true;
        }
        
        motionPaths = new <MotionPath>[
            new SimpleMotionPath("alpha",alphaFrom, alphaTo, duration)];
        
        super.play();
    }


import spark.components.Group;
import spark.effects.animation.Animation;
import spark.effects.animation.Keyframe;
import spark.effects.animation.MotionPath;
import spark.effects.animation.SimpleMotionPath;
import spark.primitives.supportClasses.GraphicElement;
