function

 function addRow(tableID) {

   var table = document.getElementById(tableID);
   var rowCount = table.rows.length;
   var row = table.insertRow(rowCount);

   var cell1 = row.insertCell(0);
   var element1 = document.createElement("input");
   element1.type = "checkbox";
   element1.name="chkbox[]";
   cell1.appendChild(element1);

   var cell2 = row.insertCell(1);
   var element3 = document.createElement("input");
   element3.type = "text";
   element3.name = "txtbox[]";
   cell2.appendChild(element3);


   var cell3 = row.insertCell(2);
   var element2 = document.createElement("input");
   element2.type = "text";
   element2.name = "txtbox[]";
   cell3.appendChild(element2);

   var cell4 = row.insertCell(3);
   var element3 = document.createElement("input");
   element3.type = "text";
   element3.name = "txtbox[]";
   cell4.appendChild(element3);

   var cell5 = row.insertCell(4);
   var element4 = document.createElement("input");
   element4.type = "text";
   element4.name = "txtbox[]";
   cell5.appendChild(element4);


   public function barang()
	{
		// tangkap variabel keyword dari URL
		$keyword = $this->uri->segment(3);
		// cari di database
		$data = $this->db->query("SELECT * FROM `tabel_barang` WHERE id_barang like '%$keyword%' ");

		// format keluaran di dalam array
		foreach($data->result() as $row)
		{
			$arr['query'] = $keyword;
			$arr['suggestions'][] = array(
				'value'	=>$row->id_barang,
				'data'	=>$row->nama_barang,
				'harga'	=>$row->harga,
				'jumlah_all'	=>$row->jumlah_all,
			);
		}
		// minimal PHP 5.2
		echo json_encode($arr);
	}



   }