<?php
echo '
<td class="date"><input class="'.$field_class.'" type="text" name="travel_bill_' . $i .'_'. $j . '_date" value="'. $_POST['travel_bill_'. $i .'_'. $j .'_date'].'" onKeyPress="return     numbers(this, event)" '. if ($travel_bill_date_wrong && $j == 1) { 'style="background-color: red;"'} .'></td>
';
?>