Cookie CRUD in JS

cookies.js

/**
 * Custom Cookie Support for JS
 *
 * There aren't very many great ways of interacting with Cookies 
 * in either native JS or jQuery without the use of plugins
 * so this snippet aims to give you quick and easy access 
 * to manipulate your cookies with native JS
 *
 * @author		Clay McIlrath
 * @link		http://thinkclay.com/technology/add-edit-delete-cookies-with-javascript
 * @copyright		2012 Clay McIlrath
 * @license		The MIT License (MIT)
 */
var Cookies = {
        // Initialize by splitting the array of Cookies
	init: function () {
		var allCookies = document.cookie.split('; ');
		for (var i=0;i<allCookies.length;i++) {
			var cookiePair = allCookies[i].split('=');
			this[cookiePair[0]] = cookiePair[1];
		}
	},
        // Create Function: Pass name of cookie, value, and days to expire
	create: function (name,value,days) {
		if (days) {
			var date = new Date();
			date.setTime(date.getTime()+(days*24*60*60*1000));
			var expires = "; expires="+date.toGMTString();
		}
		else var expires = "";
		document.cookie = name+"="+value+expires+"; path=/";
		this[name] = value;
	},
        // Erase cookie by name
	erase: function (name) {
		this.create(name,'',-1);
		this[name] = undefined;
	}
};
// global creation for access using window.Cookies.myCookieName
window.cookies = Cookies.init(); 

Where is the READ and UPDATE part of the CRUD