title: Drupal: how to set theme language programmatically?
body: <p>How can i change drupal default language programmatically somewhere in code (like template.php)?
  (i need to overwrite default language set by admin in some cases.)
  i'm using drupal 6.</p>
  
  <p><strong>PS:</strong> please read my own answer for more detail. and if you may help solve that</p>
  
  <p><strong>PS:</strong> later i saw a module that was what i wanted. make sure take a look at it:</p>
  
  <p><strong><a href="http://drupal.org/project/admin_language" rel="nofollow noreferrer">Administration Language</a> Drupal Module</strong> </p>