안녕하세요.

아래 달력소스에서 이전달 (<) / 다음달 (>) 클릭하여 이동하는 기능이 없어서 넣으려 하는데 어떻게 해야할지요?

<?
$ptitle="캘린더";
$msubject = "Calendar";
include "head.sub.php";
define("ADAY", (60*60*24));

$nowArray = getdate();
$month = $nowArray['mon'];
$year = $nowArray['year'];

if ($month < 10) $month="0".$month;

$start = mktime (12, 0, 0, $month, 1, $year);
$firstDayArray = getdate($start);

?>
<p align=center style='line-height:50px; font-size:20px;'><a href="#"><</a>  <?=$year?>-<?=$month?>  <a href="#">></a></p>
<div style="display:block;width:100%;background-color:#fff;font-size:12pt; color:#404040;font-weight:600;text-align:center;margin-top:30px;margin-bottom:30px;margin-left:auto;margin-right:auto;">
<center>
<?php
echo '<table width=90% cellspacing=0 cellpadding=0 style="border:1px solid #b0b0b0; border-collapse:collapse; background-color:#f0f0f0;">'."\n";
for ($count=0; $count < (6*6); $count++) {
    $dayArray = getdate($start);
    if (($count % 7) == 0) {
  if ($dayArray['mon'] != $month) {
                        break;
 } else {
      echo "</tr><tr>\n";
 }
       }
       if ($count < $firstDayArray['wday'] || $dayArray['mon'] != $month) {
 echo "<td style=\"text-align:center;padding:10px;border:1px solid #b0b0b0;\"> </td>\n";
       } else {
           $mday=$dayArray['mday'];
           if ($mday < 10) $mday="0".$mday;
           $cdate="{$year}-{$month}-{$mday}";
           $sql = " select * from intake where date like '%".$cdate."%' and mb_id='".$member[mb_id]."'";
   $result= sql_query($sql);
   $total = mysqli_num_rows($result);
   $circle=" ";
   if ($total>0) $circle="●";
       echo "<td style=\"text-align:left; margin-top:0px; padding:14px;border:1px solid #b0b0b0; background-image:url(../../images/cl_plus.jpg); cursor:pointer;\" onclick=\"javascript:location.href='./record.php?date={$year}-{$month}-{$mday}';\">".$dayArray['mday']." <br>".$circle."</td>\n";
 $start += ADAY;
      }
}
echo "</tr></table>";
?>
</center>
</div>