goog = {};

objThatDelegatesTo = function(x) {
  var f = function() { };
  f.prototype = x;
  return new f();
};

goog.C = objThatDelegatesTo(goog);

// static function
goog.C.f1 = function() {
  this.f2();
};

// static function
goog.C.f2 = function() {
  alert("hello");
};

goog.sv = 5;

goog.C.protoInstance = objThatDelegatesTo(C);

goog.C.protoInstance.f3 = function() {
  C.sv++;  // need goog in the lookup chain
}

goog.C.makeNew = function() {
  return objThatDelegatesTo(this.protoInstance);
};


(function() {
  var sv = 0;
  goog.C.protoInstance.f1 = function() { sv++ }
  goog.C.protoInstance.f2 = function() { sv-- }
  ...
})()