<?php
  // create an "artificial" time, based on an offset, for graceful extending/debugging
  $offset = 0;
  $my_time = time() + $offset;
?>
<h3>Calendar Log - <?php echo date('F Y', $my_time); ?></h3>

<table class="calendar" border="0" cellpadding="0" cellspacing="1">
<tr><th>Sunday</th><th>Monday</th><th>Tuesday</th><th>Wednesday</th><th>Thursday</th><th>Friday</th><th>Saturday</th></tr>
<?php
  $days = date('t', $my_time);        // days in the month
  $day = date('j', $my_time);         // current day
  $day_of_week = date('w', $my_time); // current "day of week"

  // calculate what "day of week" the month starts on
  $month_start = $day_of_week - $day%7 + 1;
  if ($month_start < 0)
    $month_start = 7 + $month_start;

  $this_day = 0;
  $this_day_of_week = 0;

  // second clause is to ensure the row ends after the days are finished
  while ($this_day < $days || $this_day_of_week != 0)
  {
    // start row
    if ($this_day_of_week == 0)
      echo '<tr>';

    // change day
    if ($this_day == 0)
    {
      // only change to the first day when it's on the "day of week" the month starts on
      if ($this_day_of_week == $month_start)
        $this_day ++;
    }
    else
      $this_day ++;

    // perform output
    // first clause is to create blanks before the first day (0th day)
    // second clause is to create blanks after the month is over
    if ($this_day == 0 || $this_day > $days)
      echo '<td class="na">&nbsp;</td>';
    else if ($this_day == $day)
      echo '<td class="now" onclick="o('.$this_day.')">'.$this_day.'</td>';
    else
      echo '<td onclick="o('.$this_day.')">'.$this_day.'</td>';

    // change "day of week"
    $this_day_of_week ++;

    if ($this_day_of_week == 7)
    {
      // end row
      echo '</tr>';
      $this_day_of_week = 0;
    }
  } 
?>
</table>