Javascript instance to instance coercion

coercion.js

var inspect = require('util').inspect;
var Class1 = function Class1() {
    this.frank = "costanza";

    this.__defineGetter__('prop', function() {return 5;});
    this.__defineGetter__('fromClass1', function() {return 5;});
}

Class1.prototype.heyThere = function() {}


var Class2 = function Class2() {
    this.frank = "brasky";
}

Class2.highlevel = function() {};
Class2.prototype.seehere = null;


var c1 = new Class1();
var c2 = new Class2();

console.log(inspect(c1, true, null, null));

c2.__proto__ = c1;

console.log(inspect(c2, true, null, null));