Index: webform.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/webform/webform.module,v
retrieving revision 1.238
diff -u -p -r1.238 webform.module
--- webform.module	21 Jun 2010 19:36:23 -0000	1.238
+++ webform.module	26 Jun 2010 04:07:31 -0000
@@ -1419,7 +1419,7 @@ function webform_client_form($form, $for
   $form['#theme'] = array('webform_form_' . $node->nid, 'webform_form');
 
   // Add a css class for all client forms.
-  $form['#attributes'] = array('class' => 'webform-client-form');
+  $form['#attributes'] = array('class' => array('webform-client-form'));
 
   // Set the encoding type (necessary for file uploads).
   $form['#attributes']['enctype'] = 'multipart/form-data';
Index: components/fieldset.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/webform/components/fieldset.inc,v
retrieving revision 1.15
diff -u -p -r1.15 fieldset.inc
--- components/fieldset.inc	21 Mar 2010 03:43:17 -0000	1.15
+++ components/fieldset.inc	26 Jun 2010 03:43:05 -0000
@@ -58,7 +58,7 @@ function _webform_render_fieldset($compo
     '#description'   => $filter ? _webform_filter_descriptions($component['extra']['description']) : $component['extra']['description'],
     '#collapsible'   => $component['extra']['collapsible'],
     '#collapsed'     => $component['extra']['collapsed'],
-    '#attributes'    => array('class' => 'webform-component-' . $component['type'], 'id' => 'webform-component-' . $component['form_key']),
+    '#attributes'    => array('class' => array('webform-component-' . $component['type']), 'id' => 'webform-component-' . $component['form_key']),
   );
 
   return $element;
Index: components/grid.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/webform/components/grid.inc,v
retrieving revision 1.24
diff -u -p -r1.24 grid.inc
--- components/grid.inc	20 Jun 2010 18:10:32 -0000	1.24
+++ components/grid.inc	26 Jun 2010 04:07:11 -0000
@@ -59,7 +59,7 @@ function _webform_edit_grid($component) 
       '#title' => t('Options'),
       '#collapsible' => TRUE,
       '#description' => t('Options to select across the top. Usually these are ratings such as "poor" through "excellent" or "strongly disagree" through "strongly agree".'),
-      '#attributes' => array('class' => 'webform-options-element'),
+      '#attributes' => array('class' => array('webform-options-element')),
       '#element_validate' => array('_webform_edit_validate_options'),
     );
     $form['options']['options'] = array(
@@ -78,7 +78,7 @@ function _webform_edit_grid($component) 
       '#title' => t('Questions'),
       '#collapsible' => TRUE,
       '#description' => t('Questions list down the side of the grid.'),
-      '#attributes' => array('class' => 'webform-options-element'),
+      '#attributes' => array('class' => array('webform-options-element')),
       '#element_validate' => array('_webform_edit_validate_options'),
     );
     $form['questions']['options'] = array(