  *  @playerversion AIR 1.5
  *  @productversion Flex 4
  */
-public class AnimationProperty extends MotionPath
+public class SimpleMotionPath extends MotionPath
 {
  
     //--------------------------------------------------------------------------

        this.property = property;
        keyframes = [new KeyFrame(0, valueFrom), new KeyFrame(duration, valueTo, valueBy)];
        if (valueFrom is Array && valueTo is Array)
            interpolator = NumberArrayInterpolator.getInstance();
    }

    //--------------------------------------------------------------------------
    //
    //  Properties

    //--------------------------------------------------------------------------

    /**
     * Constructs a SimpleMotionPath object. The from/to/by values are used
     * to construct a simple one-keyframe MotionPath where the from value
     * is defined in the MotionPath object itself and the single keyframe.
     * 
