replaced some more transparent png images with gif

templates/macros.cs

@@ -128,15 +128,15 @@ def:show_volume_icon(volume) ?><?cs
 # show the appropriate icon for the current state of the volume ?>
 	<?cs if:volume.active ?><?cs
 		if:volume.encryption ?><?cs
-			set:filename='volume_active_crypto.png' ?><?cs
+			set:filename='volume_active_crypto.gif' ?><?cs
 		else ?><?cs
-			set:filename='volume_active_plain.png' ?><?cs
+			set:filename='volume_active_plain.gif' ?><?cs
 		/if ?><?cs
 	else ?><?cs
 		if:volume.encryption ?><?cs
-			set:filename='volume_passive_crypto.png' ?><?cs
+			set:filename='volume_passive_crypto.gif' ?><?cs
 		else ?><?cs
-			set:filename='volume_passive_plain.png' ?><?cs
+			set:filename='volume_passive_plain.gif' ?><?cs
 		/if ?><?cs
 	/if ?>
 	<img src="<?cs call:link('cryptobox-misc/' + filename,'','','','') ?>" alt="icon: volume" /><?cs

www-data/cryptobox.css

@@ -533,11 +533,11 @@ table#volume_area td.volume_plugin_active, table#volume_area td.volume_plugin_pa
 }
  
 table#volume_area td.volume_plugin_active {
-	background-image: url(register_active2.png);
+	background-image: url(register_active2.gif);
 }
 
 table#volume_area td.volume_plugin_passive {
-	background-image: url(register_passive2.png);
+	background-image: url(register_passive2.gif);
 }
 
 table#volume_area td.volume_plugin_active img, table#volume_area td.volume_plugin_passive img {