      *
      *  @param playheadTime The position, in milliseconds, between 0
      *  and the value of the <code>duration</code> property.
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 9
+     *  @playerversion AIR 1.1
+     *  @productversion Flex 3
      */ 
     public function seek(playheadTime:Number):void
     {


    /**
     *  Duration of the animation, in milliseconds. 
     */
    public var duration:Number = 3000;
    

     *  in the mx.effects.easing package.</p>
     *
     *  @param easingFunction Function that implements the easing equation. 
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */
    public function set easingFunction(value:Function):void
    {   
