IE problemi con $_SERVER['PHP_SELF']

[jrm]

OK ecco il form:

<FORM name="form" method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">

<table>
<tr>
<td>



<table border='0' cellspacing='0' style='border-collapse: collapse' width='100' > 
<tr bgcolor='#ffffff'> 
<td width='25%' style="background-color:orange;" onclick="toggleCells(this, 'red', 'orange')">[b]SUB'[/b]
</td> 

<td width='25%'><input type=checkbox name=box[] value='SUBNZ'></td> 
<td width='25%'>SUBNZ</td> 
<td width='25%'><input type=checkbox name=box[] value='SUBNX'></td> 
<td width='25%'>SUBNX</td> 
<td width='25%'><input type=checkbox name=box[] value='SUBNX_MUS'></td> 
<td width='25%'>SUBNX_MUS</td> 
<td width='25%'><input type=checkbox name=box[] value='SUBNX_CONS'></td> 
<td width='25%'>SUBNX_CONS</td> 
</tr> 
<tr bgcolor='#f1f1f1'> 
<td width='25%' style="background-color:orange;" onclick="toggleCells(this, 'red', 'orange')">[b]CV[/b]


<td width='25%'><input type=checkbox name=box[] value='CV_B'></td> 
<td width='25%'>CV B</td> 
<td width='25%'><input type=checkbox name=box[] value='CV_B_DVD'></td> 
<td width='25%'>CV DVD</td> 
<td width='25%'><input type=checkbox name=box[] value='ASB'></td> 
<td width='25%'>ASB</td> 
<td width='25%'><input type=checkbox name=box[] value='Museo'></td> 
<td width='25%'>Museo</td> 
</tr> 

<tr bgcolor='#f1f1f1'> 
<td width='25%' style="background-color:orange;" onclick="toggleCells(this, 'red', 'orange')">[b]PR[/b]

<td width='25%'><input type=checkbox name=box[] value='Rip1'></td> 
<td width='25%'>Rip1</td> 
<td width='25%'><input type=checkbox name=box[] value='Ac'></td> 
<td width='25%'>Ac</td> 
</tr> 


</TABLE>

<tr><td colspan =6 align=center></form></td></tr> 
</table>

<?php


$box=$_POST['box'];
$gruppo=$_POST['gruppo'];

?>
</td>
<td>


<table width="100%" border="0" cellspacing="0" cellpadding="5">
  <tr>
      <table width="100%" border="0" cellspacing="0" cellpadding="5">
        <tr>
          <td>
              
              <p class="largetxt">[b]Selezione periodo[/b]</p>
              <div style="float: left;">
                <div style="float: left; padding-right: 3px; line-height: 18px;">da :</div>
                <div style="float: left;">
                  <?php
                        $thisweek = date('W');
                        $thisyear = date('Y');

                        $dayTimes = getDaysInWeek($thisweek, $thisyear);
                        //----------------------------------------

                        $date1 = date('Y-m-d', $dayTimes[0]);
                        $date2 = date('Y-m-d', $dayTimes[(sizeof($dayTimes)-1)]);

                        function getDaysInWeek ($weekNumber, $year, $dayStart = 1) {
                          // Count from '0104' because January 4th is always in week 1
                          // (according to ISO 8601).
                          $time = strtotime($year . '0104 +' . ($weekNumber - 1).' weeks');
                          // Get the time of the first day of the week
                          $dayTime = strtotime('-' . (date('w', $time) - $dayStart) . ' days', $time);
                          // Get the times of days 0 -> 6
                          $dayTimes = array ();
                          for ($i = 0; $i < 7; ++$i) {
                            $dayTimes[] = strtotime('+' . $i . ' days', $dayTime);
                          }
                          // Return timestamps for mon-sun.
                          return $dayTimes;
                        }


                      $myCalendar = new tc_calendar("date3", true, false);
                      $myCalendar->setIcon("calendar/images/iconCalendar.gif");
                      $myCalendar->setDate(date('d', strtotime($date1)), date('m', strtotime($date1)), date('Y', strtotime($date1)));
                      $myCalendar->setPath("calendar/");
                      $myCalendar->setYearInterval(1970, 2020);
                      //$myCalendar->dateAllow('2009-02-20', "", false);
                      $myCalendar->setAlignment('left', 'bottom');
                      $myCalendar->setDatePair('date3', 'date4', $date2);
                      //$myCalendar->setSpecificDate(array("2011-04-01", "2011-04-04", "2011-12-25"), 0, 'year');
                      $myCalendar->writeScript();
                      
                      ?>
                </div>
              </div>

              <div style="float: left;">
                <div style="float: left; padding-left: 3px; padding-right: 3px; line-height: 18px;">a :</div>
                <div style="float: left;">
                  <?php
                      $myCalendar = new tc_calendar("date4", true, false);
                      $myCalendar->setIcon("calendar/images/iconCalendar.gif");
                      $myCalendar->setDate(date('d', strtotime($date2)), date('m', strtotime($date2)), date('Y', strtotime($date2)));
                      $myCalendar->setPath("calendar/");
                      $myCalendar->setYearInterval(1970, 2020);
                      //$myCalendar->dateAllow("", '2009-11-03', false);
                      $myCalendar->setAlignment('left', 'bottom');
                      $myCalendar->setDatePair('date3', 'date4', $date1);
                      //$myCalendar->setSpecificDate(array("2011-04-01", "2011-04-04", "2011-12-25"), 0, 'year');
                      $myCalendar->writeScript();
                      ?>
                </div>
              </div>
  </tr>
</table>


</td>
<td>
<INPUT type="submit" name="submit" value="Invia">

</td>
</tr>
</table>
</FORM>