diff --git a/ace/index.html b/ace/index.html
index 5fc9219..bd4e09d 100644
--- a/ace/index.html
+++ b/ace/index.html
@@ -5,29 +5,164 @@
   <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   <title>Editor</title>
   <style type="text/css" media="screen">
-    body {
-        overflow: hidden;
+    .ace_editor {
+        position: relative !important;
+        border: 1px solid lightgray;
+        margin: auto;
+        height: 200px;
+        width: 80%;
     }
 
-    #editor {
+    .ace_editor.fullScreen {
+        height: auto;
+        width: auto;
+        border: 0;
         margin: 0;
-        position: absolute;
+        position: fixed !important;
         top: 0;
         bottom: 0;
         left: 0;
         right: 0;
+        z-index: 10;
+    }
+
+    body.fullScreen {
+        overflow: hidden;
+        /*transform breaks position fixed*/
+        transform: none!important;
+    }
+
+    .scrollmargin {
+        height: 500px;
+        text-align: center;
+    }
+
+    .large-button {
+        color: lightblue;
+        cursor: pointer;
+        font: 30px arial;
+        padding: 20px;
+        text-align: center;
+        border: medium solid transparent;
+        display: inline-block;
+    }
+    .large-button:hover {
+        border: medium solid lightgray;
+        border-radius: 10px 10px 10px 10px;
+        box-shadow: 0 0 12px 0 lightblue;
+    }
+    body {
+        transform: translateZ(0);
     }
   </style>
 </head>
 <body>
+<div class="scrollmargin">
+    <span onclick="scroll()" class="large-button">
+    scroll down &dArr;
+    </span>
+</div>
+<pre id="editor">function foo(items) {
+    var i;
+    for (i = 0; i &lt; items.length; i++) {
+        alert("Ace Rocks " + items[i]);
+    }
+
+}</pre>
+<div class="scrollmargin">
+    <div style="padding:20px">
+        press F11 to switch to fullscreen mode
+    </div>
+    <span onclick="add()" class="large-button">
+        +
+    </span>
 
-<pre id="editor"></pre>
+</div>
 
-<script src="src-min-noconflict/ace.js" type="text/javascript" charset="utf-8"></script>
+<!-- load ace -->
+<script src="../src/ace.js"></script>
+<!-- load ace themelist extension -->
+<script src="../src/ext-themelist.js"></script>
+<!-- load ace language_tools extension -->
+<script src="../src/ext-language_tools.js"></script>
 <script>
-    var editor = ace.edit("editor");
-    editor.setTheme("ace/theme/twilight");
-    editor.session.setMode("ace/mode/markdown");
+
+var $ = document.getElementById.bind(document);
+var dom = require("ace/lib/dom");
+
+ace.config.set("enableBasicAutocompletion", true);
+
+//add command to all new editor instances
+require("ace/commands/default_commands").commands.push({
+    name: "Toggle Fullscreen",
+    bindKey: "F11",
+    exec: function(editor) {
+        var fullScreen = dom.toggleCssClass(document.body, "fullScreen")
+        dom.setCssClass(editor.container, "fullScreen", fullScreen)
+        editor.setAutoScrollEditorIntoView(!fullScreen)
+        editor.resize()
+    }
+})
+
+// create first editor
+var editor = ace.edit("editor");
+editor.setTheme("ace/theme/twilight");
+editor.session.setMode("ace/mode/javascript");
+editor.renderer.setScrollMargin(10, 10);
+editor.setOptions({
+    // "scrollPastEnd": 0.8,
+    autoScrollEditorIntoView: true
+});
+
+var count = 1;
+function add() {
+    var oldEl = editor.container
+    var pad = document.createElement("div")
+    pad.style.padding = "40px"
+    oldEl.parentNode.insertBefore(pad, oldEl.nextSibling)
+
+    var el = document.createElement("div")
+    oldEl.parentNode.insertBefore(el, pad.nextSibling)
+
+    count++
+    var theme = themes[Math.floor(themes.length * Math.random() - 1e-5)]
+    editor = ace.edit(el)
+    editor.setOptions({
+        mode: "ace/mode/javascript",
+        theme: theme,
+        showPrintMargin: false,
+        wrap: true,
+        indentedSoftWrap: true,
+        showFoldWidgets: true,
+        showLineNumbers: true,
+        autoScrollEditorIntoView: true
+    })
+
+    editor.setValue([
+        "this is editor number: ", count, "\n",
+        "using theme \"", theme, "\"\n",
+        ":)"
+    ].join(""), -1)
+
+    scroll()
+}
+
+function scroll(speed) {
+    var top = editor.container.getBoundingClientRect().top
+    speed = speed || 10
+    if (top > 60 && speed < 500) {
+        if (speed > top - speed - 50)
+            speed = top - speed - 50
+        else
+            setTimeout(scroll, 10, speed + 10)
+        window.scrollBy(0, speed)
+    }
+}
+
+var themes = require("ace/ext/themelist").themes.map(function(t){return t.theme});
+
+window.add = add;
+window.scroll = scroll;
 </script>
 
 </body>
