--- Choice.pm	2006-07-26 00:49:00.000000000 -0700
+++ Slim/Buttons/Input/Choice.pm	2006-08-01 12:52:07.828125000 -0700
@@ -245,6 +245,8 @@ sub callCallback {
 
 		if ($@) {
 			errorMsg("INPUT.Choice: Couldn't run callback: [$callbackName] : $@\n");
+		} elsif (getParam($client,'pref')) {
+			$client->update;
 		}
 
 	} else {
@@ -404,6 +406,11 @@ sub lines {
 		($overlay1, $overlay2) = @$overlayref;
 		$overlay1 = $client->symbols($overlay1) if (defined($overlay1));
 		$overlay2 = $client->symbols($overlay2) if (defined($overlay2));
+		
+	} elsif (my $pref = getParam($client,'pref')) {
+		
+		# assume a single non-descending list of items, 'pref' item must be given in the params
+		$overlay2 = Slim::Buttons::Common::checkBoxOverlay($client->prefGet($pref) eq getItemValue($client));
 	}
 
 	my $parts = {