title: How to let unregistered user click 'submit article' and then redirect to Login form, but not 403 error?
body: <p>My website uses joomla 2.5, I add a link on my main menu to submit new article, but when unregistered user click this link, it will show an 403 error,"You don't have permission to access this URL on this server." But i don't want this page show up, i want website redirect to Login form.</p>
  
  <p>How can i do this?</p>