Index: checklist.module
===================================================================
--- checklist.module	(revision 115)
+++ checklist.module	(working copy)
@@ -69,11 +69,6 @@
       'callback' => 'checklist_administer_list',
       'type' => MENU_LOCAL_TASK
     );
-    foreach (file_scan_directory('./modules', 'checklist.css') as $css) {
-      if (is_readable($css->filename)) {
-        variable_set('checklist_css', $css->filename);
-      }
-    }
   }
   else {
     if(is_numeric(arg(2))) {
@@ -123,9 +118,7 @@
         }
       }
     }
-    if ($css = variable_get('checklist_css', '')) {
-      drupal_set_html_head("\n<style type=\"text/css\">@import \"$css\";</style>\n");
-    }
+    theme_add_style(drupal_get_path('module', 'checklist') .'/checklist.css');
   }
 
   return $items;