function addRow(dataTable, id) {
  var table = document.getElementById('dataTable');
  var rowCount = table.rows.length;
  var row = table.insertRow(3);
  var colCount = table.rows[5].cells.length;
  for (var i = 0; i < colCount; i++) {
    var newcell = row.insertCell(i);
    newcell.innerHTML = table.rows[4].cells[i].innerHTML;
    document.getElementById("agri").style.visibility = "hidden"; // remove button from newly added row
  }
  document.getElementById("agri").style.visibility = "visible";
}

function addRow1(dataTable, id) {
  var table = document.getElementById('dataTable');
  var rowCount = table.rows.length;
  var row = table.insertRow(4);
  var colCount = table.rows[6].cells.length;
  for (var i = 0; i < colCount; i++) {
    var newcell = row.insertCell(i);
    newcell.innerHTML = table.rows[5].cells[i].innerHTML;
    document.getElementById("promotion").style.visibility = "hidden";  // remove button from newly added row
  }
  document.getElementById("promotion").style.visibility = "visible";
}