ActionScript 3.0 :: Dynamically Create Class Inside A Class?

This is what i'm trying to do :

I have 1 class that extends movieclip, let's call it Class0. I have 1 class that extends movieclip, let's call it Class1.

I create an instance of Class0 on stage like : var myClip0:Class0 = new Class0(this, "Class1");

The class Class0 when initializing, will create a new movieclip (myClip1) and add it as child, as an instance of Class1, like myClip0.myClip1. But it's when i create that clip, i want to tell it, it's an instance of Class1, like :

private var myClip1:Class1 = new Class1(this);

Where Class1 could be any class.

How do i pass Class1 to Class0 so it can create it dynamically?? Do i have to use the apply function??

inside Class0, i have a function that does :

Code:
if(subClass){
initSubclass(subClass);
}

[Code].....