Change in function.html_select_date.php to allow 2 digit year

I've changed function.html_select_data.php to allow two digit years instead of 
the normal four digit version. The 2 digit version is useful eg. when making 
credit card expiration field.

I hope that this is a change worth putting in the cvs tree and that somebody 
can put it in. The following is a diff from the origional and the new version

Best regards

Martin Kjeldsen


*** function.html_select_date.php      Tue Mar 22 15:42:30 2005
--- function.html_select_date_new.php       Tue Mar 22 16:40:22 2005
***************
*** 48,53 ****
--- 48,55 ----
      /* Write day values using this format MB */
      $day_value_format = "%d";
      $year_as_text    = false;
+     /* Display years as two digits like 05-99 instead of 2005-2099 */
+     $two_digit_years = false;
      /* Display years in reverse order? Ie. 2000,1999,.... */
      $reverse_years   = false;
      /* Should the select boxes be part of an array when returned from PHP?
***************
*** 116,121 ****
--- 118,124 ----
              case 'display_years':
              case 'year_as_text':
              case 'reverse_years':
+             case 'two_digit_years':
                  $$_key = (bool)$_value;
                  break;
  
***************
*** 244,250 ****
              }
              $year_result .= '>';
          } else {
!             $years = range((int)$start_year, (int)$end_year);
              if ($reverse_years) {
                  rsort($years, SORT_NUMERIC);
              }
--- 247,262 ----
              }
              $year_result .= '>';
          } else {
!             if ($two_digit_years) {
!               $start_year = substr($start_year, 2);
!               $end_year = substr($end_year, 2);
! 
!               for($i = (int)$start_year; $i < (int)$end_year; $i++)
!                   $years[] = sprintf('%02d', $i);
!             }
!             else
!               $years = range((int)$start_year, (int)$end_year);
! 
              if ($reverse_years) {
                  rsort($years, SORT_NUMERIC);
              }