<table cellspacing='<?=$cal_cellspace?>'>
<td align='left' class='s'>
<a href='/?id=<?=$board_title?>&month=<?=$month_p?>&year=<?=$year-$p?>&go_month=<?=$year-$p.$month_p?>' onclick='this.blur();' title='<?=$year-$p?>년<?=$month_n?>월'>◀</a> <?=date("Y. m",mktime(1,1,1,$month,1,$year));?> <a href='/?id=<?=$board_title?>&month=<?=$month_n?>&year=<?=$year+$n?>&go_month=<?=$year+$n.$month_n?>' onclick='this.blur();' title='<?=$year+$n?>년<?=$month_n?>월'>▶</a></td>


위소스 뒤에

</td></tr><tr>

이렇게 넣으면 될듯합니다.