diff --git a/dev/js/lib/alertify.js b/dev/js/lib/alertify.js
new file mode 100644
index 0000000..d422123
--- /dev/null
+++ b/dev/js/lib/alertify.js
@@ -0,0 +1,626 @@
+/*global define*/
+(function (global, undefined) {
+	"use strict";
+
+	var document = global.document,
+	    Alertify;
+
+	Alertify = function () {
+
+		var _alertify = {},
+		    dialogs   = {},
+		    isopen    = false,
+		    keys      = { ENTER: 13, ESC: 27, SPACE: 32 },
+		    queue     = [],
+		    $, btnCancel, btnOK, btnReset, btnResetBack, btnFocus, elCallee, elCover, elDialog, elLog, form, input, getTransitionEvent;
+
+		/**
+		 * Markup pieces
+		 * @type {Object}
+		 */
+		dialogs = {
+			buttons : {
+				holder : "<nav class=\"alertify-buttons\">{{buttons}}</nav>",
+				submit : "<button type=\"submit\" class=\"alertify-button alertify-button-ok\" id=\"alertify-ok\">{{ok}}</button>",
+				ok     : "<button class=\"alertify-button alertify-button-ok\" id=\"alertify-ok\">{{ok}}</button>",
+				cancel : "<button class=\"alertify-button alertify-button-cancel\" id=\"alertify-cancel\">{{cancel}}</button>"
+			},
+			input   : "<div class=\"alertify-text-wrapper\"><input type=\"text\" class=\"alertify-text\" id=\"alertify-text\"></div>",
+			message : "<p class=\"alertify-message\">{{message}}</p>",
+			log     : "<article class=\"alertify-log{{class}}\">{{message}}</article>"
+		};
+
+		/**
+		 * Return the proper transitionend event
+		 * @return {String}    Transition type string
+		 */
+		getTransitionEvent = function () {
+			var t,
+			    type,
+			    supported   = false,
+			    el          = document.createElement("fakeelement"),
+			    transitions = {
+				    "WebkitTransition" : "webkitTransitionEnd",
+				    "MozTransition"    : "transitionend",
+				    "OTransition"      : "otransitionend",
+				    "transition"       : "transitionend"
+			    };
+
+			for (t in transitions) {
+				if (el.style[t] !== undefined) {
+					type      = transitions[t];
+					supported = true;
+					break;
+				}
+			}
+
+			return {
+				type      : type,
+				supported : supported
+			};
+		};
+
+		/**
+		 * Shorthand for document.getElementById()
+		 *
+		 * @param  {String} id    A specific element ID
+		 * @return {Object}       HTML element
+		 */
+		$ = function (id) {
+			return document.getElementById(id);
+		};
+
+		/**
+		 * Alertify private object
+		 * @type {Object}
+		 */
+		_alertify = {
+
+			/**
+			 * Labels object
+			 * @type {Object}
+			 */
+			labels : {
+				ok     : "OK",
+				cancel : "Cancel"
+			},
+
+			/**
+			 * Delay number
+			 * @type {Number}
+			 */
+			delay : 5000,
+
+			/**
+			 * Whether buttons are reversed (default is secondary/primary)
+			 * @type {Boolean}
+			 */
+			buttonReverse : false,
+
+			/**
+			 * Which button should be focused by default
+			 * @type {String}	"ok" (default), "cancel", or "none"
+			 */
+			buttonFocus : "ok",
+
+			/**
+			 * Set the transition event on load
+			 * @type {[type]}
+			 */
+			transition : undefined,
+
+			/**
+			 * Set the proper button click events
+			 *
+			 * @param {Function} fn    [Optional] Callback function
+			 *
+			 * @return {undefined}
+			 */
+			addListeners : function (fn) {
+				var hasOK     = (typeof btnOK !== "undefined"),
+				    hasCancel = (typeof btnCancel !== "undefined"),
+				    hasInput  = (typeof input !== "undefined"),
+				    val       = "",
+				    self      = this,
+				    ok, cancel, common, key, reset;
+
+				// ok event handler
+				ok = function (event) {
+					if (typeof event.preventDefault !== "undefined") event.preventDefault();
+					common(event);
+					if (typeof input !== "undefined") val = input.value;
+					if (typeof fn === "function") {
+						if (typeof input !== "undefined") {
+							fn(true, val);
+						}
+						else fn(true);
+					}
+					return false;
+				};
+
+				// cancel event handler
+				cancel = function (event) {
+					if (typeof event.preventDefault !== "undefined") event.preventDefault();
+					common(event);
+					if (typeof fn === "function") fn(false);
+					return false;
+				};
+
+				// common event handler (keyup, ok and cancel)
+				common = function (event) {
+					self.hide();
+					self.unbind(document.body, "keyup", key);
+					self.unbind(btnReset, "focus", reset);
+					if (hasOK) self.unbind(btnOK, "click", ok);
+					if (hasCancel) self.unbind(btnCancel, "click", cancel);
+				};
+
+				// keyup handler
+				key = function (event) {
+					var keyCode = event.keyCode;
+					if ((keyCode === keys.SPACE && !hasInput) || (hasInput && keyCode === keys.ENTER)) ok(event);
+					if (keyCode === keys.ESC && hasCancel) cancel(event);
+				};
+
+				// reset focus to first item in the dialog
+				reset = function (event) {
+					if (hasInput) input.focus();
+					else if (!hasCancel || self.buttonReverse) btnOK.focus();
+					else btnCancel.focus();
+				};
+
+				// handle reset focus link
+				// this ensures that the keyboard focus does not
+				// ever leave the dialog box until an action has
+				// been taken
+				this.bind(btnReset, "focus", reset);
+				this.bind(btnResetBack, "focus", reset);
+				// handle OK click
+				if (hasOK) this.bind(btnOK, "click", ok);
+				// handle Cancel click
+				if (hasCancel) this.bind(btnCancel, "click", cancel);
+				// listen for keys, Cancel => ESC
+				this.bind(document.body, "keyup", key);
+				if (!this.transition.supported) {
+					this.setFocus();
+				}
+			},
+
+			/**
+			 * Bind events to elements
+			 *
+			 * @param  {Object}   el       HTML Object
+			 * @param  {Event}    event    Event to attach to element
+			 * @param  {Function} fn       Callback function
+			 *
+			 * @return {undefined}
+			 */
+			bind : function (el, event, fn) {
+				if (typeof el.addEventListener === "function") {
+					el.addEventListener(event, fn, false);
+				} else if (el.attachEvent) {
+					el.attachEvent("on" + event, fn);
+				}
+			},
+
+			/**
+			 * Use alertify as the global error handler (using window.onerror)
+			 *
+			 * @return {boolean} success
+			 */
+			handleErrors : function () {
+				if (typeof global.onerror !== "undefined") {
+					var self = this;
+					global.onerror = function (msg, url, line) {
+						self.error("[" + msg + " on line " + line + " of " + url + "]", 0);
+					};
+					return true;
+				} else {
+					return false;
+				}
+			},
+
+			/**
+			 * Append button HTML strings
+			 *
+			 * @param {String} secondary    The secondary button HTML string
+			 * @param {String} primary      The primary button HTML string
+			 *
+			 * @return {String}             The appended button HTML strings
+			 */
+			appendButtons : function (secondary, primary) {
+				return this.buttonReverse ? primary + secondary : secondary + primary;
+			},
+
+			/**
+			 * Build the proper message box
+			 *
+			 * @param  {Object} item    Current object in the queue
+			 *
+			 * @return {String}         An HTML string of the message box
+			 */
+			build : function (item) {
+				var html    = "",
+				    type    = item.type,
+				    message = item.message,
+				    css     = item.cssClass || "";
+
+				html += "<div class=\"alertify-dialog\">";
+				html += "<a id=\"alertify-resetFocusBack\" class=\"alertify-resetFocus\" href=\"#\">Reset Focus</a>";
+
+				if (_alertify.buttonFocus === "none") html += "<a href=\"#\" id=\"alertify-noneFocus\" class=\"alertify-hidden\"></a>";
+
+				// doens't require an actual form
+				if (type === "prompt") html += "<div id=\"alertify-form\">";
+
+				html += "<article class=\"alertify-inner\">";
+				html += dialogs.message.replace("{{message}}", message);
+
+				if (type === "prompt") html += dialogs.input;
+
+				html += dialogs.buttons.holder;
+				html += "</article>";
+
+				if (type === "prompt") html += "</div>";
+
+				html += "<a id=\"alertify-resetFocus\" class=\"alertify-resetFocus\" href=\"#\">Reset Focus</a>";
+				html += "</div>";
+
+				switch (type) {
+				case "confirm":
+					html = html.replace("{{buttons}}", this.appendButtons(dialogs.buttons.cancel, dialogs.buttons.ok));
+					html = html.replace("{{ok}}", this.labels.ok).replace("{{cancel}}", this.labels.cancel);
+					break;
+				case "prompt":
+					html = html.replace("{{buttons}}", this.appendButtons(dialogs.buttons.cancel, dialogs.buttons.submit));
+					html = html.replace("{{ok}}", this.labels.ok).replace("{{cancel}}", this.labels.cancel);
+					break;
+				case "alert":
+					html = html.replace("{{buttons}}", dialogs.buttons.ok);
+					html = html.replace("{{ok}}", this.labels.ok);
+					break;
+				default:
+					break;
+				}
+
+				elDialog.className = "alertify alertify-" + type + " " + css;
+				elCover.className  = "alertify-cover";
+				return html;
+			},
+
+			/**
+			 * Close the log messages
+			 *
+			 * @param  {Object} elem    HTML Element of log message to close
+			 * @param  {Number} wait    [optional] Time (in ms) to wait before automatically hiding the message, if 0 never hide
+			 *
+			 * @return {undefined}
+			 */
+			close : function (elem, wait) {
+				// Unary Plus: +"2" === 2
+				var timer = (wait && !isNaN(wait)) ? +wait : this.delay,
+				    self  = this,
+				    hideElement, transitionDone;
+
+				// set click event on log messages
+				this.bind(elem, "click", function () {
+					hideElement(elem);
+				});
+				// Hide the dialog box after transition
+				// This ensure it doens't block any element from being clicked
+				transitionDone = function (event) {
+					event.stopPropagation();
+					// unbind event so function only gets called once
+					self.unbind(this, self.transition.type, transitionDone);
+					// remove log message
+					elLog.removeChild(this);
+					if (!elLog.hasChildNodes()) elLog.className += " alertify-logs-hidden";
+				};
+				// this sets the hide class to transition out
+				// or removes the child if css transitions aren't supported
+				hideElement = function (el) {
+					// ensure element exists
+					if (typeof el !== "undefined" && el.parentNode === elLog) {
+						// whether CSS transition exists
+						if (self.transition.supported) {
+							self.bind(el, self.transition.type, transitionDone);
+							el.className += " alertify-log-hide";
+						} else {
+							elLog.removeChild(el);
+							if (!elLog.hasChildNodes()) elLog.className += " alertify-logs-hidden";
+						}
+					}
+				};
+				// never close (until click) if wait is set to 0
+				if (wait === 0) return;
+				// set timeout to auto close the log message
+				setTimeout(function () { hideElement(elem); }, timer);
+			},
+
+			/**
+			 * Create a dialog box
+			 *
+			 * @param  {String}   message        The message passed from the callee
+			 * @param  {String}   type           Type of dialog to create
+			 * @param  {Function} fn             [Optional] Callback function
+			 * @param  {String}   placeholder    [Optional] Default value for prompt input field
+			 * @param  {String}   cssClass       [Optional] Class(es) to append to dialog box
+			 *
+			 * @return {Object}
+			 */
+			dialog : function (message, type, fn, placeholder, cssClass) {
+				// set the current active element
+				// this allows the keyboard focus to be resetted
+				// after the dialog box is closed
+				elCallee = document.activeElement;
+				// check to ensure the alertify dialog element
+				// has been successfully created
+				var check = function () {
+					if ((elLog && elLog.scrollTop !== null) && (elCover && elCover.scrollTop !== null)) return;
+					else check();
+				};
+				// error catching
+				if (typeof message !== "string") throw new Error("message must be a string");
+				if (typeof type !== "string") throw new Error("type must be a string");
+				if (typeof fn !== "undefined" && typeof fn !== "function") throw new Error("fn must be a function");
+				// initialize alertify if it hasn't already been done
+				this.init();
+				check();
+
+				queue.push({ type: type, message: message, callback: fn, placeholder: placeholder, cssClass: cssClass });
+				if (!isopen) this.setup();
+
+				return this;
+			},
+
+			/**
+			 * Extend the log method to create custom methods
+			 *
+			 * @param  {String} type    Custom method name
+			 *
+			 * @return {Function}
+			 */
+			extend : function (type) {
+				if (typeof type !== "string") throw new Error("extend method must have exactly one paramter");
+				return function (message, wait) {
+					this.log(message, type, wait);
+					return this;
+				};
+			},
+
+			/**
+			 * Hide the dialog and rest to defaults
+			 *
+			 * @return {undefined}
+			 */
+			hide : function () {
+				var transitionDone,
+				    self = this;
+				// remove reference from queue
+				queue.splice(0,1);
+				// if items remaining in the queue
+				if (queue.length > 0) this.setup(true);
+				else {
+					isopen = false;
+					// Hide the dialog box after transition
+					// This ensure it doens't block any element from being clicked
+					transitionDone = function (event) {
+						event.stopPropagation();
+						// unbind event so function only gets called once
+						self.unbind(elDialog, self.transition.type, transitionDone);
+					};
+					// whether CSS transition exists
+					if (this.transition.supported) {
+						this.bind(elDialog, this.transition.type, transitionDone);
+						elDialog.className = "alertify alertify-hide alertify-hidden";
+					} else {
+						elDialog.className = "alertify alertify-hide alertify-hidden alertify-isHidden";
+					}
+					elCover.className  = "alertify-cover alertify-cover-hidden";
+					// set focus to the last element or body
+					// after the dialog is closed
+					elCallee.focus();
+				}
+			},
+
+			/**
+			 * Initialize Alertify
+			 * Create the 2 main elements
+			 *
+			 * @return {undefined}
+			 */
+			init : function () {
+				// ensure legacy browsers support html5 tags
+				document.createElement("nav");
+				document.createElement("article");
+				document.createElement("section");
+				// cover
+				if ($("alertify-cover") == null) {
+					elCover = document.createElement("div");
+					elCover.setAttribute("id", "alertify-cover");
+					elCover.className = "alertify-cover alertify-cover-hidden";
+					document.body.appendChild(elCover);
+				}
+				// main element
+				if ($("alertify") == null) {
+					isopen = false;
+					queue = [];
+					elDialog = document.createElement("section");
+					elDialog.setAttribute("id", "alertify");
+					elDialog.className = "alertify alertify-hidden";
+					document.body.appendChild(elDialog);
+				}
+				// log element
+				if ($("alertify-logs") == null) {
+					elLog = document.createElement("section");
+					elLog.setAttribute("id", "alertify-logs");
+					elLog.className = "alertify-logs alertify-logs-hidden";
+					document.body.appendChild(elLog);
+				}
+				// set tabindex attribute on body element
+				// this allows script to give it focus
+				// after the dialog is closed
+				document.body.setAttribute("tabindex", "0");
+				// set transition type
+				this.transition = getTransitionEvent();
+			},
+
+			/**
+			 * Show a new log message box
+			 *
+			 * @param  {String} message    The message passed from the callee
+			 * @param  {String} type       [Optional] Optional type of log message
+			 * @param  {Number} wait       [Optional] Time (in ms) to wait before auto-hiding the log
+			 *
+			 * @return {Object}
+			 */
+			log : function (message, type, wait) {
+				// check to ensure the alertify dialog element
+				// has been successfully created
+				var check = function () {
+					if (elLog && elLog.scrollTop !== null) return;
+					else check();
+				};
+				// initialize alertify if it hasn't already been done
+				this.init();
+				check();
+
+				elLog.className = "alertify-logs";
+				this.notify(message, type, wait);
+				return this;
+			},
+
+			/**
+			 * Add new log message
+			 * If a type is passed, a class name "alertify-log-{type}" will get added.
+			 * This allows for custom look and feel for various types of notifications.
+			 *
+			 * @param  {String} message    The message passed from the callee
+			 * @param  {String} type       [Optional] Type of log message
+			 * @param  {Number} wait       [Optional] Time (in ms) to wait before auto-hiding
+			 *
+			 * @return {undefined}
+			 */
+			notify : function (message, type, wait) {
+				var log = document.createElement("article");
+				log.className = "alertify-log" + ((typeof type === "string" && type !== "") ? " alertify-log-" + type : "");
+				log.innerHTML = message;
+				// append child
+				elLog.appendChild(log);
+				// triggers the CSS animation
+				setTimeout(function() { log.className = log.className + " alertify-log-show"; }, 50);
+				this.close(log, wait);
+			},
+
+			/**
+			 * Set properties
+			 *
+			 * @param {Object} args     Passing parameters
+			 *
+			 * @return {undefined}
+			 */
+			set : function (args) {
+				var k;
+				// error catching
+				if (typeof args !== "object" && args instanceof Array) throw new Error("args must be an object");
+				// set parameters
+				for (k in args) {
+					if (args.hasOwnProperty(k)) {
+						this[k] = args[k];
+					}
+				}
+			},
+
+			/**
+			 * Common place to set focus to proper element
+			 *
+			 * @return {undefined}
+			 */
+			setFocus : function () {
+				if (input) {
+					input.focus();
+					input.select();
+				}
+				else btnFocus.focus();
+			},
+
+			/**
+			 * Initiate all the required pieces for the dialog box
+			 *
+			 * @return {undefined}
+			 */
+			setup : function (fromQueue) {
+				var item = queue[0],
+				    self = this,
+				    transitionDone;
+
+				// dialog is open
+				isopen = true;
+				// Set button focus after transition
+				transitionDone = function (event) {
+					event.stopPropagation();
+					self.setFocus();
+					// unbind event so function only gets called once
+					self.unbind(elDialog, self.transition.type, transitionDone);
+				};
+				// whether CSS transition exists
+				if (this.transition.supported && !fromQueue) {
+					this.bind(elDialog, this.transition.type, transitionDone);
+				}
+				// build the proper dialog HTML
+				elDialog.innerHTML = this.build(item);
+				// assign all the common elements
+				btnReset  = $("alertify-resetFocus");
+				btnResetBack  = $("alertify-resetFocusBack");
+				btnOK     = $("alertify-ok")     || undefined;
+				btnCancel = $("alertify-cancel") || undefined;
+				btnFocus  = (_alertify.buttonFocus === "cancel") ? btnCancel : ((_alertify.buttonFocus === "none") ? $("alertify-noneFocus") : btnOK),
+				input     = $("alertify-text")   || undefined;
+				form      = $("alertify-form")   || undefined;
+				// add placeholder value to the input field
+				if (typeof item.placeholder === "string" && item.placeholder !== "") input.value = item.placeholder;
+				if (fromQueue) this.setFocus();
+				this.addListeners(item.callback);
+			},
+
+			/**
+			 * Unbind events to elements
+			 *
+			 * @param  {Object}   el       HTML Object
+			 * @param  {Event}    event    Event to detach to element
+			 * @param  {Function} fn       Callback function
+			 *
+			 * @return {undefined}
+			 */
+			unbind : function (el, event, fn) {
+				if (typeof el.removeEventListener === "function") {
+					el.removeEventListener(event, fn, false);
+				} else if (el.detachEvent) {
+					el.detachEvent("on" + event, fn);
+				}
+			}
+		};
+
+		return {
+			alert   : function (message, fn, cssClass) { _alertify.dialog(message, "alert", fn, "", cssClass); return this; },
+			confirm : function (message, fn, cssClass) { _alertify.dialog(message, "confirm", fn, "", cssClass); return this; },
+			extend  : _alertify.extend,
+			init    : _alertify.init,
+			log     : function (message, type, wait) { _alertify.log(message, type, wait); return this; },
+			prompt  : function (message, fn, placeholder, cssClass) { _alertify.dialog(message, "prompt", fn, placeholder, cssClass); return this; },
+			success : function (message, wait) { _alertify.log(message, "success", wait); return this; },
+			error   : function (message, wait) { _alertify.log(message, "error", wait); return this; },
+			set     : function (args) { _alertify.set(args); },
+			labels  : _alertify.labels,
+			debug   : _alertify.handleErrors
+		};
+	};
+
+	// AMD and window support
+	if (typeof define === "function") {
+		define([], function () { return new Alertify(); });
+	} else if (typeof global.alertify === "undefined") {
+		global.alertify = new Alertify();
+	}
+
+}(this));
diff --git a/dev/js/src/tutorial.js b/dev/js/src/tutorial.js
index dae5fbf..4f00ee1 100644
--- a/dev/js/src/tutorial.js
+++ b/dev/js/src/tutorial.js
@@ -2,8 +2,9 @@
  * Open and close a tutorial page.
  * The current page is stored and retrieved in a session cookie.
  */
-// Todo: add query mechanism!
-
+// TODO: Add query mechanism!
+// TODO: Highlight current section:
+//       http://stackoverflow.com/questions/24887258/highlight-navigation-link-as-i-scroll-down-the-page
 define(['session', 'util'], function (sessionClass) {
   "use strict";
 
@@ -52,7 +53,10 @@
 
       if (this._iframe === null) {
 	this._iframe = document.createElement('iframe');
-	this._iframe.setAttribute('src', this.getPage() || this.start);
+	this._iframe.setAttribute(
+	  'src',
+	  (this.getPage() || this.start) + '?embedded=true'
+	);
 
 	var ul = document.createElement('ul');
 	ul.classList.add('action', 'right');