JavaScript inheritance with objects - http://davidwalsh.name/javascript-objects-deconstruction

object-inheritance.js

// Define an object with init function and add methods
var Person = {
	init: function(name, gender) {
		this.name = name;
		this.gender = gender;
	},
	speak: function() {
		alert('Howdy, my name is ' + this.name);
	}
};

// Instantiate new objects with Object.create
var Bob = Object.create(Person);
Bob.init('Bob', 'M');

// Invoke methods like this
Bob.speak();  // alerts 'Howdy, my name is Bob'