Index: admin_menu.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/admin_menu/admin_menu.module,v
retrieving revision 1.43.2.17.2.6
diff -u -p -r1.43.2.17.2.6 admin_menu.module
--- admin_menu.module	7 May 2009 00:34:40 -0000	1.43.2.17.2.6
+++ admin_menu.module	17 May 2009 23:29:29 -0000
@@ -209,7 +209,8 @@ function admin_menu_footer($main = 0) {
 
   // Rebuild the output.
   if (!isset($content)) {
-    $content  = '<div id="admin-menu">';
+    $class_site = drupal_strtolower(preg_replace('/[^a-zA-Z0-9-]/', '-', $_SERVER['HTTP_HOST']));
+    $content  = '<div id="admin-menu" class="admin-menu-site-'. $class_site .'">';
     $content .= admin_menu_tree_output(menu_tree_all_data('admin_menu'));
     $content .= '</div>';