/**
  * returns true or false if a venue is password protected or not
  *
  * @param int     $VNU_ID optional, the venue id to check.
  * @return string
  */
 function espresso_venue_is_password_protected($VNU_ID = 0)
 {
     EE_Registry::instance()->load_helper('Venue_View');
     return EEH_Venue_View::is_venue_password_protected($VNU_ID);
 }