
<form id="studentform" method="post" action="importstudents.php">
<input type="hidden" name="previoussearch" value="<?php echo $previoussearch ?>" />
<input type="hidden" name="sesskey" value="<?php echo sesskey() ?>" />
<input type="hidden" name="id" value="<?php echo $id?>" />
  <table summary="" align="center" border="0" cellpadding="5" cellspacing="0">
    <tr>
      <td valign="top">
          <label for="removeselect"><?php echo count($alreadycourses) . " ". $stralreadycourses ?></label>
          <br />
          <select name="removeselect[]" size="20" id="removeselect" multiple="multiple"
                  onFocus="getElementById('studentform').add.disabled=true;
                           getElementById('studentform').remove.disabled=false;
                           getElementById('studentform').addselect.selectedIndex=-1;">
          <?php 
            foreach ($alreadycourses as $course) {
                echo "<option value=\"$course->id\">".course_format_name($course,60)."</option>\n";
            }
          ?>
          </select></td>
      <td valign="top">
        <?php check_theme_arrows(); ?>
        <p class="arrow_button">
            <input name="add" id="add" type="submit" value="<?php echo '&nbsp;'.$THEME->larrow.' &nbsp; &nbsp; '.get_string('add'); ?>" title="<?php print_string('add'); ?>" />
            <br />
            <input name="remove" id="remove" type="submit" value="<?php echo '&nbsp; '.$THEME->rarrow.' &nbsp; &nbsp; '.get_string('remove'); ?>" title="<?php print_string('remove'); ?>" />
        </p>
      </td>
      <td valign="top">
          <label for="addselect"><?php echo $numcourses . " " . $strpotentialcourses ?></label>
          <br />
          <select name="addselect[]" size="20" id="addselect" multiple="multiple"
                  onFocus="getElementById('studentform').add.disabled=false;
                           getElementById('studentform').remove.disabled=true;
                           getElementById('studentform').removeselect.selectedIndex=-1;">
          <?php
  
              if (!empty($searchcourses)) {
                  echo "<optgroup label=\"$strsearchresults (" . count($searchcourses) . ")\">\n";
                  foreach ($searchcourses as $course) {
                      echo "<option value=\"$course->id\">".course_format_name($course,60)."</option>\n";
                  }
                  echo "</optgroup>\n";
              }
              if (!empty($courses)) {
                  if ($numcourses > MAX_COURSES_PER_PAGE) {
                      echo '<optgroup label="'.get_string('toomanytoshow').'"><option></option></optgroup>'."\n"
                          .'<optgroup label="'.get_string('trysearching').'"><option></option></optgroup>'."\n";
                  }
                  else {
                      foreach ($courses as $course) {
                      echo "<option value=\"$course->id\">".course_format_name($course,60)."</option>\n";
                      }
                  }
              }
          ?>
         </select>
         <br />
         <label for="searchtext" class="accesshide"><?php p($strsearch) ?></label>
         <input type="text" name="searchtext" id="searchtext" size="30" value="<?php p($searchtext, true) ?>" 
                  onFocus ="getElementById('studentform').add.disabled=true;
                            getElementById('studentform').remove.disabled=true;
                            getElementById('studentform').removeselect.selectedIndex=-1;
                            getElementById('studentform').addselect.selectedIndex=-1;"
                  onkeydown = "var keyCode = event.which ? event.which : event.keyCode;
                               if (keyCode == 13) {
                                    getElementById('studentform').previoussearch.value=1;
                                    getElementById('studentform').submit();
                               } " />
         <input name="search" id="search" type="submit" value="<?php p($strsearch) ?>" />
         <?php
              if (!empty($searchcourses)) {
                  echo '<input name="showall" id="showall" type="submit" value="'.$strshowall.'" />'."\n";
              }
         ?>
       </td>
    </tr>
  </table>
</form>


