/**
  * Find Reserves
  *
  * Obtain information on course reserves.
  *
  * @param string $course ID from getCourses (empty string to match all)
  * @param string $inst   ID from getInstructors (empty string to match all)
  * @param string $dept   ID from getDepartments (empty string to match all)
  *
  * @return mixed An array of associative arrays representing reserve items (or a
  * PEAR_Error object if there is a problem)
  * @access public
  */
 public function findReserves($course, $inst, $dept)
 {
     return $this->driver->findReserves($course, $inst, $dept);
 }