static public function updateInitialLanguage( $objectID, $newInitialLanguageID )
    {
        $object = eZContentObject::fetch( $objectID );
        $language = eZContentLanguage::fetch( $newInitialLanguageID );
        if ( $language and !$language->attribute( 'disabled' ) )
        {
            $object->setAttribute( 'initial_language_id', $newInitialLanguageID );
            $objectName = $object->name( false, $language->attribute( 'locale' ) );
            $object->setAttribute( 'name', $objectName );
            $object->store();

            if ( $object->isAlwaysAvailable() )
            {
                $object->setAlwaysAvailableLanguageID( $newInitialLanguageID );
            }

            $nodes = $object->assignedNodes();
            foreach ( $nodes as $node )
            {
                $node->updateSubTreePath();
            }
        }

        eZContentCacheManager::clearContentCacheIfNeeded( $objectID );

        return array( 'status' => true );
    }