--- drupal-7\common.inc	2008-08-21 15:36:36.000000000 -0400
+++ common.inc	2008-08-26 15:28:32.107125000 -0400
@@ -358,7 +358,7 @@ function drupal_not_found() {
   }
 
   // To conserve CPU and bandwidth, omit the blocks.
-  print theme('page', $return, FALSE);
+  print theme('page', $return, , variable_get('site_404_full', FALSE));
 }
 
 /**
@@ -385,7 +385,7 @@ function drupal_access_denied() {
     drupal_set_title(t('Access denied'));
     $return = t('You are not authorized to access this page.');
   }
-  print theme('page', $return);
+  print theme('page', $return, variable_get('site_403_full', TRUE));
 }
 
 /**
--- drupal-7\system.admin.inc	2008-08-21 15:36:38.000000000 -0400
+++ system.admin.inc	2008-08-26 15:26:11.200875000 -0400
@@ -1292,6 +1292,13 @@ function system_error_reporting_settings
     '#description' => t('This page is displayed when the requested document is denied to the current user. If unsure, specify nothing.'),
     '#field_prefix' => url(NULL, array('absolute' => TRUE)) . (variable_get('clean_url', 0) ? '' : '?q=')
   );
+  
+   $form['site_403_full'] = array(
+     '#type' => 'checkbox',
+     '#title' => t('Full 403 (access denied) page'),
+     '#default_value' => variable_get('site_403_full', TRUE),
+     '#description' => t('Display the 403 page with menus and blocks. If you don\'t use this, make sure your error page provides a means for the user to return to the site. Turning this off will save on CPU and bandwidth in the event of this error.'),
+   );
 
   $form['site_404'] = array(
     '#type' => 'textfield',
@@ -1301,6 +1308,13 @@ function system_error_reporting_settings
     '#description' => t('This page is displayed when no other content matches the requested document. If unsure, specify nothing.'),
     '#field_prefix' => url(NULL, array('absolute' => TRUE)) . (variable_get('clean_url', 0) ? '' : '?q=')
   );
+  
+   $form['site_404_full'] = array(
+     '#type' => 'checkbox',
+     '#title' => t('Full 404 (not found) page'),
+     '#default_value' => variable_get('site_404_full', FALSE),
+     '#description' => t('Display the 404 page with menus and blocks. If you don\'t use this, make sure your error page provides a means for the user to return to the site. Turning this off will save on CPU and bandwidth in the event of this error.'),
+   );
 
   $form['error_level'] = array(
     '#type' => 'select', '#title' => t('Error reporting'), '#default_value' => variable_get('error_level', 1),

--- drupal-7\system.admin.inc	2008-08-21 15:36:38.000000000 -0400
+++ system.admin.inc	2008-08-26 15:26:11.200875000 -0400
@@ -1292,6 +1292,13 @@ function system_error_reporting_settings
     '#description' => t('This page is displayed when the requested document is denied to the current user. If unsure, specify nothing.'),
     '#field_prefix' => url(NULL, array('absolute' => TRUE)) . (variable_get('clean_url', 0) ? '' : '?q=')
   );
+  
+   $form['site_403_full'] = array(
+     '#type' => 'checkbox',
+     '#title' => t('Full 403 (access denied) page'),
+     '#default_value' => variable_get('site_403_full', TRUE),
+     '#description' => t('Display the 403 page with menus and blocks. If you don\'t use this, make sure your error page provides a means for the user to return to the site. Turning this off will save on CPU and bandwidth in the event of this error.'),
+   );
 
   $form['site_404'] = array(
     '#type' => 'textfield',
@@ -1301,6 +1308,13 @@ function system_error_reporting_settings
     '#description' => t('This page is displayed when no other content matches the requested document. If unsure, specify nothing.'),
     '#field_prefix' => url(NULL, array('absolute' => TRUE)) . (variable_get('clean_url', 0) ? '' : '?q=')
   );
+  
+   $form['site_404_full'] = array(
+     '#type' => 'checkbox',
+     '#title' => t('Full 404 (not found) page'),
+     '#default_value' => variable_get('site_404_full', FALSE),
+     '#description' => t('Display the 404 page with menus and blocks. If you don\'t use this, make sure your error page provides a means for the user to return to the site. Turning this off will save on CPU and bandwidth in the event of this error.'),
+   );
 
   $form['error_level'] = array(
     '#type' => 'select', '#title' => t('Error reporting'), '#default_value' => variable_get('error_level', 1),