diff --git a/pdk/docs/guide/pdk_toc.cs b/pdk/docs/guide/pdk_toc.cs
index 260e8a35e..44d94206c 100644
--- a/pdk/docs/guide/pdk_toc.cs
+++ b/pdk/docs/guide/pdk_toc.cs
@@ -1,77 +1,73 @@
-<ul> 
+<script type="text/javascript" language="JavaScript">
+<!--
+function nothing() {}
+-->
+</script>
 
-<li> <h2>Introduction</h2> 
-  <ul> 
-     <li><a href="<?cs var:toroot ?>guide/system_requirements.html">Device Requirements</a></li>            
-  </ul> 
-</li> 
+<ul>
 
-
-<li> <h2>Dev Environment Setup</h2> 
-  <ul> 
-	<li><a href="<?cs var:toroot ?>guide/build_system.html">Build System</a></li> 
-  </ul> 
-</li> 
-
-
-<li><h2>Basic Bring up</h2> 
-  <ul> 
-	<li><a href="<?cs var:toroot ?>guide/build_new_device.html">Building New Device</a></li> 
-	<li><a href="<?cs var:toroot ?>guide/bring_up.html">Bring up</a></li> 
-	<li><a href="<?cs var:toroot ?>guide/keymaps_keyboard_input.html">Keymaps and Keyboard</a></li> 
-	<li><a href="<?cs var:toroot ?>guide/display_drivers.html">Display Drivers</a></li> 
-  </ul> 
-</li> 
-
-
-<li> <h2>Multimedia</h2> 
-  <ul> 
-	<li><a href="<?cs var:toroot ?>guide/audio.html">Audio</a></li> 
-	<li><a href="<?cs var:toroot ?>guide/camera.html">Camera</a></li>			
-  </ul> 
-</li> 
-
-<li> <h2>Power Management</h2> 
-  <ul> 
-	<li><a href="<?cs var:toroot ?>guide/power_management.html">Power Management</a></li> 
-	<li><a href="<?cs var:toroot ?>guide/wakelock.html">Wakelocks</a></li> 
-	<li><a href="<?cs var:toroot ?>guide/early_suspend.html">Early Suspend</a></li> 
-  </ul> 
-</li> 
-
-<li> <h2>Networking</h2> 
-  <ul> 
-	<li><a href="<?cs var:toroot ?>guide/wifi.html">Wi-Fi</a></li> 
-	<li><a href="<?cs var:toroot ?>guide/gps.html">GPS</a></li> 
-	<li><a href="<?cs var:toroot ?>guide/bluetooth.html">Bluetooth</a></li> 
-  </ul> 
-</li> 
-
-<li> <h2>Telephony</h2> 
-  <ul> 
-	<li><a href="<?cs var:toroot ?>guide/telephony.html">Radio Interface Layer</a></li>
-        <li><a href="<?cs var:toroot ?>guide/stk.html">SIM Toolkit Application (STK)</a></li>
-  </ul> 
-</li> 
-
-<li> <h2>Testing</h2> 
-  <ul> 
-	<li><a href="<?cs var:toroot ?>guide/instrumentation_testing.html">Instrumentation Testing</a></li> 
-  </ul> 
-</li> 
-
-<li> <h2>Debugging</h2>
+<li> <h2>Setup and Building</h2>
   <ul>
+     <li><a href="<?cs var:toroot ?>guide/system_requirements.html">Device Requirements</a></li>           
+     <li><a href="<?cs var:toroot ?>guide/build_system.html">Build System</a></li>
+     <li><a href="<?cs var:toroot ?>guide/build_new_device.html">Building New Device</a></li>
+     <li><a href="<?cs var:toroot ?>guide/bring_up.html">Bring up</a></li>
+     <li><a href="<?cs var:toroot ?>guide/keymaps_keyboard_input.html">Keymaps and Keyboard</a></li>
+     <li><a href="<?cs var:toroot ?>guide/display_drivers.html">Display Drivers</a></li>
+  </ul>
+</li>
+
+
+<li> <h2>System</h2>
+
+<ul>
+  <li class="toggle-list">
+    <div><a href="javascript:nothing()">Multimedia</a></div>
+    <ul>
+      <li><a href="<?cs var:toroot ?>guide/audio.html">Audio</a></li>
+      <li><a href="<?cs var:toroot ?>guide/camera.html">Camera</a></li>
+    </ul>
+  </li>
+
+  <li class="toggle-list">
+    <div><a href="<?cs var:toroot ?>guide/power_management.html">Power Management</a></div>
+    <ul>
+      <li><a href="<?cs var:toroot ?>guide/wakelock.html">Wakelocks</a></li>
+      <li><a href="<?cs var:toroot ?>guide/early_suspend.html">Early Suspend</a></li>
+    </ul>
+  </li>
+
+  <li class="toggle-list">
+    <div><a href="javascript:nothing()">Networking</a></div>
+    <ul>
+      <li><a href="<?cs var:toroot ?>guide/wifi.html">Wi-Fi</a></li>
+      <li><a href="<?cs var:toroot ?>guide/gps.html">GPS</a></li>
+      <li><a href="<?cs var:toroot ?>guide/bluetooth.html">Bluetooth</a></li>
+    </ul>
+  </li>
+</ul>
+</li>
+
+<li> <h2>Telephony</h2>
+  <ul>
+    <li><a href="<?cs var:toroot ?>guide/telephony.html">Radio Interface Layer</a></li>
+    <li><a href="<?cs var:toroot ?>guide/stk.html">SIM Toolkit Application (STK)</a></li>
+  </ul>
+</li>
+
+<li> <h2>Testing and Debugging</h2>
+  <ul>
+    <li><a href="<?cs var:toroot ?>guide/instrumentation_testing.html">Instrumentation Testing</a></li>
     <li><a href="<?cs var:toroot ?>guide/debugging_gdb.html">Debugging with GDB</a></li>
     <li><a href="<?cs var:toroot ?>guide/debugging_native.html">Debugging Native Code</a></li>
   </ul>
 </li>
 
-<li> <h2>Customization</h2> 
-  <ul> 
-	<li><a href="<?cs var:toroot ?>guide/customization.html">Customization</a></li> 
-  </ul> 
-</li> 
+<li> <h2>Customization</h2>
+  <ul>
+    <li><a href="<?cs var:toroot ?>guide/customization.html">Customization</a></li>
+  </ul>
+</li>
 
 </ul>