--- translation.module.orig	2010-05-02 20:12:38.000000000 +0200
+++ translation.module	2010-05-02 20:20:58.000000000 +0200
@@ -76,14 +76,15 @@ function translation_menu() {
  * all languages).
  */
 function _translation_tab_access($node) {
-  return !empty($node->language) && translation_supported_type($node->type) && node_access('view', $node) && user_access('translate content');
+  global $user;
+  return !empty($node->language) && translation_supported_type($node->type) && node_access('view', $node) && user_access('translate content') && ($node->uid == $user->uid && user_access('translate own content'));
 }
 
 /**
  * Implementation of hook_perm().
  */
 function translation_perm() {
-  return array('translate content');
+  return array('translate content','translate own content');  
 }
 
 /**
@@ -94,6 +95,7 @@ function translation_perm() {
  *   is about to be created.
  */
 function translation_form_alter(&$form, $form_state, $form_id) {
+  global $user;
   if ($form_id == 'node_type_form') {
     // Add translation option to content type form.
     $form['workflow']['language_content_type']['#options'][TRANSLATION_ENABLED] = t('Enabled, with translation');
@@ -122,7 +124,7 @@ function translation_form_alter(&$form, 
       $form['translation'] = array(
         '#type' => 'fieldset',
         '#title' => t('Translation settings'),
-        '#access' => user_access('translate content'),
+        '#access' => user_access('translate content') || ($node->uid == $user->uid && user_access('translate own content')),
         '#collapsible' => TRUE,
         '#collapsed' => !$node->translate,
         '#tree' => TRUE,
@@ -187,9 +189,11 @@ function translation_nodeapi(&$node, $op
     return;
   }
 
+  global $user;
+
   switch ($op) {
     case 'prepare':
-      if (empty($node->nid) && user_access('translate content') && isset($_GET['translation']) && isset($_GET['language']) && is_numeric($_GET['translation'])) {
+      if (empty($node->nid) && (user_access('translate content') || ($node->uid == $user->uid && user_access('translate own content')) ) && isset($_GET['translation']) && isset($_GET['language']) && is_numeric($_GET['translation'])) {
         $translation_source = node_load($_GET['translation']);
         if (empty($translation_source) || !node_access('view', $translation_source)) {
           // Source node not found or no access to view. We should not check