test plupload in email form

booking.email_manually.inc

@@ -129,7 +129,7 @@ function booking_manual_email_form($form, &$form_state)
       'wrapper' => 'booking_email_default_ids_wrapper',
     ),				
   );
-
+  /*
   $form['booking-email-attachment'] = array(
     '#type' => 'managed_file',
 		'#title' => t('Email attachment'),
@@ -140,6 +140,20 @@ function booking_manual_email_form($form, &$form_state)
       'file_validate_extensions' => array(variable_get('booking_email_allowed_attachments', 'pdf docx')),
     ),
   );  
+  */
+  $form['booking-email-attachment'] = array(
+    '#type' => 'plupload',
+		'#title' => t('Email attachment'),
+		'#description' => t('Attach a file to be emailed. Note that this only works with custom email types. File must be 10MB or less, and extension must be one of: ' . variable_get('booking_email_allowed_attachments', 'pdf docx')),
+    '#upload_validators' => array(
+      'file_validate_size' => array(10*1024*1024),
+      'file_validate_extensions' => array(variable_get('booking_email_allowed_attachments', 'pdf docx')),
+    ),
+    '#plupload_settings' => array(
+      'runtimes' => 'html5',
+      'chunk_size' => '1mb',
+    ),
+  );  
 
   $form['booking-email-preview'] = array(
     '#type' => 'container',