Index: includes/theme.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/theme.inc,v
retrieving revision 1.288
diff -u -r1.288 theme.inc
--- includes/theme.inc	6 Apr 2006 02:35:57 -0000	1.288
+++ includes/theme.inc	7 Apr 2006 06:14:53 -0000
@@ -30,7 +30,7 @@
  *
  */
 function init_theme() {
-  global $theme, $user, $custom_theme, $theme_engine, $theme_key;
+  global $theme, $user, $custom_theme, $theme_key;
 
   // If $theme is already set, assume the others are set, too, and do nothing
   if (isset($theme)) {
@@ -50,7 +50,13 @@
 
   // Store the identifier for retrieving theme settings with.
   $theme_key = $theme;
+  load_theme($theme);
+}
 
+function load_theme($theme){
+  global    $theme_engine;
+  
+  $themes = list_themes();
   // If we're using a style, load its appropriate theme,
   // which is stored in the style's description field.
   // Also load the stylesheet using theme_add_style().
Index: modules/system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/system.module,v
retrieving revision 1.308
diff -u -r1.308 system.module
--- modules/system.module	6 Apr 2006 18:07:22 -0000	1.308
+++ modules/system.module	7 Apr 2006 06:14:53 -0000
@@ -1028,12 +1028,17 @@
  * Menu callback; display theme configuration for entire site and individual themes.
  */
 function system_theme_settings($key = '') {
+  global $theme; 
+  
   init_theme();
   $directory_path = file_directory_path();
   file_check_directory($directory_path, FILE_CREATE_DIRECTORY, 'file_directory_path');
 
   // Default settings are defined in theme_get_settings() in includes/theme.inc
   if ($key) {
+    if ($key<>$theme){    	     
+  		load_theme($key);
+  	} 	
     $settings = theme_get_settings($key);
     $var = str_replace('/', '_', 'theme_'. $key .'_settings');
     $themes = system_theme_data();