sbp.php

  // Default horizon date.
  $horizon_days = 90;
  if (!empty($wrapper) && is_object($wrapper)) {
    $horizon_days = $wrapper->getBookingHorizon();
    // Check if we have to ask for time
    if (!$wrapper->isBookableByDay()) {
      $default_details['ask_time'] = TRUE;
    }
  }
  // Settings for calendar picker
  drupal_add_js(array('datePicker' => array('maxDate' => '+' . $horizon_days . 'd')), 'setting');