public function add_quote(){

            $this->load->model('client_model');
        $query = $this->input->get('query');
        $this->db->like('name', $query);


        $data = $this->db->get("tags")->result();


        echo json_encode( $data);



    }

<div class="container" style="width: 50%; float: left;">
        <div class="row">
         <div class="col-md-7">
    <h1>Add quote</h1>
    <input class="typeahead form-control" type="text">
         </div>

    </div>
        </div>
</div>


<script type="text/javascript">
    $('input.typeahead').typeahead({
        source:  function (query, process) {
        return $.get('welcome/add_quote', { query: query }, function (data) {
                console.log(data);
                data = $.parseJSON(data);
                return process(data);
            });
        }
    });
</script>

<div id="drawings" class="tab-pane fade">
     <h4>       </h4>
      <?php include 'picture_list.php'?>

      </div>
    <div id="documents" class="tab-pane fade">
      <h4>       </h4>
     <?php include 'documents_list.php';?>
    </div>
    <div id="quote" class="tab-pane fade">
      <h4>Quote</h4>
   <?php      include 'add_quote.php';?>
    </div>
  </div>