<li id="navPos">Position</li>
<li id="navGrav">Gravity</li>
<li id="navSound">Sound</li>
+<li id="navEnv">Environment</li>
<li id="navDev">Device</li>
<li id="navOther">Other</li>
</ul>
</div>
</section>
+<section id="sectEnv">
+<p id="envunavail">
+Environment sensors are unavailable on this tricorder device.
+<br/>Please talk to your superior officer or Starfleet contact to acquire
+a better device.
+</p>
+<div id="envavail" style="display:none">
+<table>
+<tr><td>Light:</td><td id="envLight" class="envVal">...</td></tr>
+<tr><td>Distance:</td><td id="envDistance" class="envVal">...</td></tr>
+</table>
+<div id="envFlashAvail" style="display:none">
+Flashlight<br>
+<button id="envFlashOn" class="envButton">On</button><button
+ id="envFlashOff" class="envButton">Off</button>
+</div>
+<div id="envFlashUnavail">
+<!-- No camera with flash available -->
+</div>
+</div>
+</section>
+
<section id="sectDev">
<table>
<tr><td>Battery Level:</td><td id="devBattLevel" class="deviceVal">...</td></tr>