In plugins/_calendar.plugin.php

  105 			'navigation' => array(
  106 				'label' => 'Navigation arrows',
  107 				'note' => T_('Where do you want to display the navigation arrows?'),
  108 				'type' => 'select',
  109 				'options' => array( 'caption' => T_('Top'), 'tfoot' => T_('Bottom'), '' => T_('No navigation') ),
  110 				'defaultvalue' => 'tfoot',
  111 			),
  112 			'navigation' => array(
  113 				'label' => 'Navigation arrows',
  114 				'note' => T_('Where do you want to display the navigation arrows?'),
  115 				'type' => 'select',
  116 				'options' => array( 'caption' => T_('Top'), 'tfoot' => T_('Bottom'), '' => T_('No navigation') ),
  117 				'defaultvalue' => 'tfoot',
  118 			),