--- /sites/all/themes/cleanr/template.php	Fri Nov 05 22:17:56 2010
+++ /sites/all/themes/cleanr/template.php	Fri Nov 05 22:18:34 2010
@@ -11,15 +11,17 @@
       $element['#attributes']['class'] = '';
     }
     $element['#attributes']['class'] .= ' collapsible';
     if (!empty($element['#collapsed'])) {
       $element['#attributes']['class'] .= ' collapsed';
     }
   }
-  $element['#attributes']['id'] = $element['#id'];
+  if (!empty($element['#id'])) {
+    $element['#attributes']['id'] = $element['#id'];
+  }
 
   $description = !empty($element['#description']) ? "<div class='description'>{$element['#description']}</div>" : '';
   $children = !empty($element['#children']) ? $element['#children'] : '';
   $value = !empty($element['#value']) ? $element['#value'] : '';
   $content = $description . $children . $value;