<script type="text/javascript">
  function togglePriceFields(elem) {
    if($("#"+elem).is(':checked')){
      $('.paid-course-stuffs').slideUp();
    }else
      $('.paid-course-stuffs').slideDown();
    }
</script>

<script type="text/javascript">
jQuery(document).ready(function($) {
      $.fn.dataTable.ext.errMode = 'throw';
      $('#course-datatable-server-side').DataTable({
          "processing": true,
          "serverSide": true,
          "ajax":{
              "url": "<?php echo site_url(strtolower($this->session->userdata('role')).'/get_courses') ?>",
              "dataType": "json",
              "type": "POST",
              "data" : {selected_category_id : '<?php echo $selected_category_id; ?>',
                        selected_status : '<?php echo $selected_status ?>',
                        selected_instructor_id : '<?php echo $selected_instructor_id ?>',
                        selected_price : '<?php echo $selected_price ?>'}
          },
          "columns": [
              { "data": "#" },
              { "data": "title" },
              { "data": "category" },
              { "data": "lesson_and_section" },
              { "data": "enrolled_student" },
              { "data": "status" },
              { "data": "price" },
              { "data": "actions" },
          ],
          "columnDefs": [{
              targets: "_all",
              orderable: false
           }]
      });
  });
</script>