advertising + stamp updates

stamp/index.php

@@ -29,8 +29,16 @@ google_ad_channel = "";
 		from stealing your content or making a fake site to pretend to be your site to carry out a phishing attack against your customers.</p>
       <p>To add the CAcert logo to your site you need to register for a <a href="https://www.cacert.org">CAcert</a> server certificate, then add the
 		following line somewhere on your website:</p>
-      <p>&lt;script type="text/javascript" src="http&lt? if($_SERVER['HTTPS']=="on") { echo "s"; } ?&gt;://stamp.cacert.org/showlogo.php"&gt;&lt;/script&gt;</p>
-      <script type="text/javascript" src="http<? if($_SERVER['HTTPS']=="on") { echo "s"; } ?>://stamp.cacert.org/showlogo.php"></script>
+      <p>&lt;script type="text/javascript"&gt;<br />
+	&lt;!--<br />
+		document.write('&lt;script type="text/javascript" src="'+(location.protocol=='https'?'https':'http')+'://stamp.cacert.org/showlogo.php"&gt;&lt;/script&gt;');<br />
+	//--&gt;<br />
+	&lt;/script&gt;</p>
+	<script type="text/javascript">
+	<!--
+		document.write('<script type="text/javascript" src="'+(location.protocol=='https'?'https':'http')+'://stamp.cacert.org/showlogo.php"></script>');
+	//-->
+	</script>
     </div>
   </div>
  </div>