Access to parent class variables

programming flash
1

[COLOR=#333333][FONT=Verdana]Hi.[/FONT][/COLOR]
[COLOR=#333333][FONT=Verdana]I have this situation:[/FONT][/COLOR]
[COLOR=#333333][FONT=Verdana]


public class BBB extends MovieClip{
  var id : String;
  public function BBB():void{
    // ....  
 }
  public function test():void{
    // ==========================
    trace("test v: " + parent.v);
    // ==========================
  }
}

[/FONT][/COLOR][COLOR=#333333][FONT=Verdana]


public class AAA extends MovieClip{
  var v : Number;
  var b : BBB;
  public function AAA():void{
    v = 125;
    b = new BBB();
    // ======================
    b.test();
    // ======================
  }
}

[/FONT][/COLOR]
[COLOR=#333333][FONT=Verdana]How can i take the values of the parent class variables ???

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