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                <div id="container"></div>
<div id="nav">
  <a id="link-a" href="#">AAAAA</a>
  <a id="link-b" href="#">BBBBB</a>
  <a id="link-c" href="#">CCCCC</a>
<div id="a" class="box"></div>
<div id="b" class="box"></div>
<div id="c" class="box"></div>


                body, html {
  margin: 0;
  height: 100%;

#container {
  width: 100%;
  height: 100%;
  background: lightgray;
  position: relative;

#nav {
  position: fixed;
  left: 20px;
  top: 20px;

#link-a, #link-b, #link-c {
  display: inline-block;
  padding: 1em;
  color: white;
  background: black;
  text-decoration: none;

.box {
  width: 100%;
  height: 100%;
  position: absolute;

#a {
  background: cyan;

#b {
  background: yellow;

#c {
  background: magenta;


                // Define some view elements to work with
var a = $("#a");
var b = $("#b");
var c = $("#c");

// Remove these views from the DOM

// This var will hold a reference to the current view
var currentView;

// Define some transitions 
  var offLeft = {
    left: "-100%"
  var onHorizontal = {
    left: 0

  var offRight = {
    left: "100%"
  var offDown = {
    top: "100%"
  var offUp = {
    top: "-100%"
  var onVertical = {
    top: 0
  // These combinations create transitions in four directions
  // Slide right: offRight, offLeft, onHorizontal
  // Slide left: offLeft, offRight, onHorizontal
  // Slide down: offDown, offUp, onVertical
  // Slide up: offUp, offDown, onVertical

// Some helper functions to create transitions in four directions
function pushLeft(newView) {
  showView(newView, offRight, offLeft, onHorizontal)

function pushRight(newView) {
  showView(newView, offLeft, offRight, onHorizontal)

function pushDown(newView) {
  showView(newView, offDown, offUp, onVertical);

function pushUp(newView) {
  showView(newView, offUp, offDown, onVertical);

function showView(newView, exit, start, enter) {
  // Hide Current View
  if (currentView) {
    currentView.animate(exit, 400, function() {
  // Show New View
  currentView = newView;
  currentView.css(start).animate(enter, 400, function() {


// These functions make use of the new transition helper functions
$("#link-a").click(function(event) {

$("#link-b").click(function(event) {

$("#link-c").click(function(event) {