diff --git a/demos/iframe/frame.html b/demos/iframe/frame.html
deleted file mode 100644
index 5c37836a5..000000000
--- a/demos/iframe/frame.html
+++ /dev/null
@@ -1,41 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <meta charset="utf-8">
-    <script src="../../blockly_compressed.js"></script>
-    <script src="../../blocks_compressed.js"></script>
-    <script src="../../msg/js/en.js"></script>
-    <style>
-      html, body {
-        background-color: #fff;
-        margin: 0;
-        padding: 0;
-        overflow: hidden;
-        height: 100%;
-      }
-      .blocklySvg {
-        height: 100%;
-        width: 100%;
-      }
-    </style>
-    <script>
-      function init() {
-        Blockly.inject(document.body,
-            {toolbox: document.getElementById('toolbox')});
-        // Let the top-level application know that Blockly is ready.
-        window.parent.blocklyLoaded(Blockly);
-      }
-    </script>
-  </head>
-  <body onload="init()">
-    <xml id="toolbox" style="display: none">
-      <block type="controls_if"></block>
-      <block type="logic_compare"></block>
-      <block type="controls_repeat_ext"></block>
-      <block type="math_number"></block>
-      <block type="math_arithmetic"></block>
-      <block type="text"></block>
-      <block type="text_print"></block>
-    </xml>
-  </body>
-</html>
diff --git a/demos/index.html b/demos/index.html
index cbadcc15e..fafcb1963 100644
--- a/demos/index.html
+++ b/demos/index.html
@@ -42,12 +42,12 @@
 
     <tr>
       <td>
-        <a href="iframe/index.html">
-          <img src="iframe/icon.png" height=80 width=100>
+        <a href="resizable/index.html">
+          <img src="resizable/icon.png" height=80 width=100>
         </a>
       </td>
       <td>
-        <div><a href="iframe/index.html">Resizable Blockly</a></div>
+        <div><a href="resizable/index.html">Resizable Blockly</a></div>
         <div>Inject Blockly into a page as a resizable element.</div>
       </td>
     </tr>
diff --git a/demos/iframe/icon.png b/demos/resizable/icon.png
similarity index 100%
rename from demos/iframe/icon.png
rename to demos/resizable/icon.png
diff --git a/demos/iframe/index.html b/demos/resizable/index.html
similarity index 53%
rename from demos/iframe/index.html
rename to demos/resizable/index.html
index ecc205ea9..f326e1b0d 100644
--- a/demos/iframe/index.html
+++ b/demos/resizable/index.html
@@ -2,52 +2,51 @@
 <html>
 <head>
   <meta charset="utf-8">
-  <title>Blockly Demo: Iframe Blockly</title>
+  <title>Blockly Demo: Resizable Blockly (Part 1)</title>
   <style>
     html, body {
       height: 100%;
+      margin: 0;
     }
     body {
       background-color: #fff;
       font-family: sans-serif;
-      margin-top: 0;
-      margin-bottom: 0;
+      overflow: hidden;
     }
     h1 {
       font-weight: normal;
       font-size: 140%;
     }
-    iframe {
-      width: 100%;
+    table {
       height: 100%;
-      border: none;
+      width: 100%;
+    }
+    #blocklyArea {
+      height: 99%;
+      background: #fc9;
+      text-align: center;
     }
   </style>
 </head>
 <body>
-  <table width="100%" height="99%">
+  <table>
     <tr>
       <td>
         <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-          <a href="../index.html">Demos</a> &gt; Iframe Blockly</h1>
+          <a href="../index.html">Demos</a> &gt; Resizable Blockly (Part 1)</h1>
 
-        <p>This is a simple demo of injecting Blockly into a resizable 'iframe' element.</p>
+        <p>The first step in creating a resizable Blockly workspace is to use
+        CSS or tables to create an area for it.
+        Next, <a href="overlay.html">inject Blockly</a> over that area.</p>
 
         <p>&rarr; More info on <a href="https://developers.google.com/blockly/installation/injecting-resizable">injecting resizable Blockly</a>...</p>
       </td>
     </tr>
     <tr>
-      <td height="99%">
-        <script>
-          function blocklyLoaded(blockly) {
-            // Called once Blockly is fully loaded.
-            window.Blockly = blockly;
-          }
-        </script>
-        <iframe src="frame.html"></iframe>
+      <td id="blocklyArea">
+        Blockly will be positioned here.
       </td>
     </tr>
   </table>
-
 </body>
 </html>
diff --git a/demos/resizable/overlay.html b/demos/resizable/overlay.html
new file mode 100644
index 000000000..bb5076004
--- /dev/null
+++ b/demos/resizable/overlay.html
@@ -0,0 +1,91 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Blockly Demo: Resizable Blockly (Part 2)</title>
+  <script src="../../blockly_compressed.js"></script>
+  <script src="../../blocks_compressed.js"></script>
+  <script src="../../msg/js/en.js"></script>
+  <style>
+    html, body {
+      height: 100%;
+      margin: 0;
+    }
+    body {
+      background-color: #fff;
+      font-family: sans-serif;
+      overflow: hidden;
+    }
+    h1 {
+      font-weight: normal;
+      font-size: 140%;
+    }
+    table {
+      height: 100%;
+      width: 100%;
+    }
+    #blocklyArea {
+      height: 99%;
+    }
+  </style>
+</head>
+<body>
+  <table>
+    <tr>
+      <td>
+        <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
+          <a href="../index.html">Demos</a> &gt; Resizable Blockly (Part 2)</h1>
+
+        <p>
+          Once an <a href="index.html">area is defined</a>, Blockly can be
+          injected and positioned over the area.
+          A resize handler keeps it in position as the page changes.
+        </p>
+
+        <p>&rarr; More info on <a href="https://developers.google.com/blockly/installation/injecting-resizable">injecting resizable Blockly</a>...</p>
+      </td>
+    </tr>
+    <tr>
+      <td id="blocklyArea">
+      </td>
+    </tr>
+  </table>
+
+  <div id="blocklyDiv" style="position: absolute"></div>
+
+  <xml id="toolbox" style="display: none">
+    <block type="controls_if"></block>
+    <block type="logic_compare"></block>
+    <block type="controls_repeat_ext"></block>
+    <block type="math_number"></block>
+    <block type="math_arithmetic"></block>
+    <block type="text"></block>
+    <block type="text_print"></block>
+  </xml>
+
+  <script>
+    var blocklyArea = document.getElementById('blocklyArea');
+    var blocklyDiv = document.getElementById('blocklyDiv');
+    var workspace = Blockly.inject(blocklyDiv,
+        {toolbox: document.getElementById('toolbox')});
+    var onresize = function(e) {
+      // Compute the absolute coordinates and dimensions of blocklyArea.
+      var element = blocklyArea;
+      var x = 0;
+      var y = 0;
+      do {
+        x += element.offsetLeft;
+        y += element.offsetTop;
+        element = element.offsetParent;
+      } while (element);
+      // Position blocklyDiv over blocklyArea.
+      blocklyDiv.style.left = x + 'px';
+      blocklyDiv.style.top = y + 'px';
+      blocklyDiv.style.width = blocklyArea.offsetWidth + 'px';
+      blocklyDiv.style.height = blocklyArea.offsetHeight + 'px';
+    };
+    window.addEventListener('resize', onresize, false);
+    onresize();
+  </script>
+</body>
+</html>
