Ubilling/skins/plainclean/skin.window.php

<table width="100%" border="0">
    <tr>
    <?php if(!empty($title)) {?>
        <td><h2><?=$title?></h2></td>
        <?php }?>
    </tr>
    <tr>
        <td align="<?=$align?>"><?=$content?></td>
    </tr>
</table>
<br>