$(function() {

  var tbl = '#edit-field-project-resrc-budget-fund';

  var makeId = function(index, pos) {

    return 'tablefield_0_cell_' + index + '_' + pos;

  };

  var makeRow = function(index, pos, disable) {

    var disabled = (disable || false) ? 'disabled' : '';

    return '<td>' +

      '<input id="' + makeId(index, pos) + '"' + disabled +

      ' type="text" class="input-small" /></td>';

  };

  $('#btnAdd').on('click', function() {

    var $tbl = $(tbl),

        count = $(tbl).find('tr').length,

        style = 'type="text" class="input-small"';

    $('<tr>' +

      '<td><label>Row: ' + count + '</label></td>' +

      makeRow(count, 1) +

      makeRow(count, 2) +

      makeRow(count, 3, true) +

      '</tr>').appendTo($(tbl));

  });

  $(tbl).on('keyup', 'input', function() {

    var $this = $(this),

        $tr = $this.closest('tr'),

        row = $tr.index();    

    var cell_value1=Number($('#'+ makeId(row, 1))

                           .val().replace(/[^0-9\.]+/g,""));

    var cell_value2=Number($('#'+ makeId(row, 2))

                           .val().replace(/[^0-9\.]+/g,""));

    var sum_cell_column =(cell_value1+cell_value2);

    $('#'+ makeId(row, 3))

      .val(sum_cell_column).formatCurrency();

  });

});