diff --git a/source/documents/index.html.jade b/source/documents/index.html.jade
index fd8d614..1a2df9f 100644
--- a/source/documents/index.html.jade
+++ b/source/documents/index.html.jade
@@ -9,16 +9,16 @@ html(ng-app="sideBySide")
 		link(rel="stylesheet", type="text/css", href="styles/style.css")
 		include _scripts.html.jade
 
-	body
+	body(ng-controller="AppController")
 		noscript Well, terribly sorry but you do need to have Javascript enabled.
 
 		// top menu
 		.pure-menu.pure-menu-open.pure-menu-horizontal.menu-main
 			ul
 				li
-					a(href="#") Home
+					a(href="#{{config}}") Home
 				li
-					a(href="#") Pick
+					a(href="#{{config}}/pick") Pick
 				li
 					a(href="#") Help
 				li
diff --git a/source/documents/partials/pick.html.jade b/source/documents/partials/pick.html.jade
new file mode 100644
index 0000000..2e5528f
--- /dev/null
+++ b/source/documents/partials/pick.html.jade
@@ -0,0 +1 @@
+div Here you can pick which versions are displayed.
diff --git a/source/documents/scripts/app.js.coffee b/source/documents/scripts/app.js.coffee
index 2092d4a..c42589a 100644
--- a/source/documents/scripts/app.js.coffee
+++ b/source/documents/scripts/app.js.coffee
@@ -1,7 +1,10 @@
 angular.module('sideBySide', ['sideBySide.controllers', 'ngRoute', 'ngSanitize'])
 	.config [ '$routeProvider', ($routeProvider) ->
 		$routeProvider
-			.when '/:config?', {
+			.when '/:base?/pick', {
+				templateUrl: 'partials/pick.html'
+			}
+			.when '/:base?', {
 				templateUrl: 'partials/comparison.html'
 				controller: 'ComparisonController'
 			}
diff --git a/source/documents/scripts/controllers.js.coffee b/source/documents/scripts/controllers.js.coffee
index 3083b24..5ad4931 100644
--- a/source/documents/scripts/controllers.js.coffee
+++ b/source/documents/scripts/controllers.js.coffee
@@ -1,4 +1,13 @@
 angular.module("sideBySide.controllers", [])
+.controller "AppController", [
+	'$routeParams', '$scope'
+	($routeParams, $scope) ->
+		$scope.$on "$routeChangeSuccess", ($currentRoute, $previousRoute) ->
+			$scope.base = if $previousRoute.params.base \
+				then '/' + $previousRoute.params.base
+				else ''
+]
+
 .controller "ComparisonController", [
 	'$routeParams', '$q', '$scope', 'fetch', 'transformer'
 	($routeParams, $q, $scope, fetch, transformer) ->
@@ -20,8 +29,8 @@ angular.module("sideBySide.controllers", [])
 				)
 			)
 
-		config = if $routeParams.config \
-			then $routeParams.config.replace(/\./g, '/') \
+		config = if $routeParams.base \
+			then $routeParams.base.replace(/\./g, '/') \
 			else ''
 
 		update(config + "/config.json")