document.observe("dom:loaded", function() {
  var test = new a;
});

/* javascript file #1 */
var a = (function() {

	var a = Class.create({

		initialize: function() {
			new b(this.future_func);
		},

		do_something: function() {
			console.log('it has been done!');
		},

		do_another_thing: function() {
			console.log('another thing!');
		},

		future_func: function() {
			var my_a = this;
			my_a.do_another_thing();

			var later_func = function() {
				my_a.do_something();
			}

			return later_func;
		}
	});

	return a;

})();

/* javascript file #2 */

var b = (function() {

	var b = Class.create({

		initialize: function(func) {
			func();
		}
	});

	return b;

})();