<tr>
                                        <td>
                                        <input type="text" name="<?php echo $nName ?>" value="<?php echo $nValue ?>">
                                        </td>
                                        <td>
                                        <input type="text" style="background: <?php echo $color ?>" name="<?php echo $aName ?>" value="<?php echo $aValue ?>">
                                        </td>
                                        <?php
                                            if(is_numeric($aValue))
                                            {
                                                if($aValue == 0)
                                                {
                                                    $color = 'red';
                                                    $err;
                                                }
                                                $color = NULL;
                                                $totalAmt += $aValue;

                                            }
                                        ?>