is this insane?

JS Objects

Object.prototype._create = function(opts) {
    function F() {};
    F.prototype = this;          
    var f = new F();
    f._includes();

    if (!f.initialize && opts) {      
      f.initialize = function(opts) {      
        $.extend(this, opts);
      }
    }
         
    if(f.initialize) f.initialize(opts)
    
    return f;
};

Object.prototype._includes = function() {
  if (this.includes) {
      $.each(this.includes, function(index, include) { 
        extend(f, include);   
      });      
  }
}

var Foo = {
  hello: function() {
      alert("Hello "+ this.name);
  }
}
var Bar = {
    includes: [Foo]
};

var bar = Bar._create({name:"World"});
bar.hello();