Index: asset_wizard.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/asset/inc/Attic/asset_wizard.inc,v
retrieving revision 1.1.2.1
diff -u -p -r1.1.2.1 asset_wizard.inc
--- asset_wizard.inc	21 Nov 2008 11:01:21 -0000	1.1.2.1
+++ asset_wizard.inc	24 Nov 2008 00:39:24 -0000
@@ -61,7 +61,7 @@ function asset_wizard_form(&$form_state)
 	else {
     list($lost, $lost, $field) = split("-", $fieldname);
 
-    switch($form_values['op']) {
+    switch($form_state['values']['op']) {
       case t('Back'):
         if ($field==ASSET_THUMBNAIL) {
           $step = 1;
@@ -383,7 +383,7 @@ function asset_wizard_form(&$form_state)
 		$form['footer']['previous'] = array(
 			'#type' => 'submit',
 			'#value' => t(ASSET_WIZARD_PREVIOUS),
-			'#attributes' => (isset($form_values['op']) || $step > 1 || $_GET['op']==t("Delete Folder") ? array() : array('disabled'=>'disabled'))
+			'#attributes' => (isset($form_state['values']['op']) || $step > 1 || $_GET['op']==t("Delete Folder") ? array() : array('disabled'=>'disabled'))
 		);
 	}