calendar type list/menu

[corillo181]

how do i do 3 list type menu one with the 12 months next with the days in that month and  the year..

 

so want i want is when people select a month the next list show the days as soon the pick the month.

[corillo181]

this is what i got so far, but i dont know how to turn the months  so that whne you pick a month the number of days for that month shows

 

<form action="" method="get">
  <label>month
  <select name="month" id="month">
<?
$jd=cal_to_jd(CAL_GREGORIAN,date("m"),date(1),date("Y"));
$monthname=jdmonthname($jd,1);
?>
    <option value="<?=$monthname?>"><?=$monthname?></option>
<?
?>
</select>
  </label>
  <label>days
  <select name="days" id="days">
    <option value="1" selected="selected">1</option>
<?
$thismonth=(int)date("m");
$thisyear=date("Y");
$numdaysinmonth=cal_days_in_month(CAL_GREGORIAN,$thismonth,$thisyear);
for($count=1;$count<=$numdaysinmonth;$count++){?>
<option value="<?=$count?>"><?=$count?></option>
<?
}
?>
  </select>
  </label>
</form>