/**
  * Returns a password form if venue is password protected.
  *
  * @param int     $VNU_ID optional, the venue id to check.
  * @return string
  */
 function espresso_password_protected_venue_form($VNU_ID = 0)
 {
     EE_Registry::instance()->load_helper('Venue_View');
     return EEH_Venue_View::password_protected_venue_form($VNU_ID);
 }