<?php 
        $choice->clear();
        $cate_id = $pro2->f('id');
        $pro->get_attachments($cate_id);
        while ($pro->next_record()) {
            if (isset($list_attach[$cate_id])) {
                if (in_array($pro->f('product_id'), $list_attach[$cate_id])) {
                    $choice->add_option($pro->f('product_name'), $pro->f('product_id'), true);
                } else {
                    $choice->add_option($pro->f('product_name'), $pro->f('product_id'));
                }
            } else {
                $choice->add_option($pro->f('product_name'), $pro->f('product_id'));
            }
        }
        $choice->print_choice_list('frmProduct', 'attach_' . $pro2->f('id'));
        ?>
		
			<input type="hidden" name="attachment_categories[]" value="<?php 
        echo $pro2->f('id');
        ?>
">
		</td>
	  </tr>
<?php 
    }
}
$choice->select_all();
?>
	  
	  <tr>