
<form name="studentform" 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 $id?>">
  <table align="center" border="0" cellpadding="5" cellspacing="0">
    <tr>
      <td valign="top">
          <?php echo count($alreadycourses) . " ". $stralreadycourses ?>
      </td>
      <td></td>
      <td valign="top">
          <?php echo $numcourses . " " . $strpotentialcourses ?>
      </td>
    </tr>
    <tr>
      <td valign="top">
          <select name="removeselect[]" size="20" id="removeselect" multiple
                  onFocus="document.studentform.add.disabled=true;
                           document.studentform.remove.disabled=false;
                           document.studentform.addselect.selectedIndex=-1;">
          <?php 
            foreach ($alreadycourses as $course) {
                echo "<option value=\"$course->id\">".course_format_name($course,60)."</option>\n";
            }
          ?>
          </select></td>
      <td valign="top">
        <br />
        <input name="add" type="submit" id="add" value="&larr;" />
        <br />
        <input name="remove" type="submit" id="remove" value="&rarr;" />
        <br />
      </td>
      <td valign="top">
          <select name="addselect[]" size="20" id="addselect" multiple
                  onFocus="document.studentform.add.disabled=false;
                           document.studentform.remove.disabled=true;
                           document.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($course,60)."</option>\n";
                      }
                  }
              }
          ?>
         </select>
         <br />
         <input type="text" name="searchtext" size="30" value="<?php p($searchtext, true) ?>" 
                  onFocus ="document.studentform.add.disabled=true;
                            document.studentform.remove.disabled=true;
                            document.studentform.removeselect.selectedIndex=-1;
                            document.studentform.addselect.selectedIndex=-1;"
                  onkeydown = "var keyCode = event.which ? event.which : event.keyCode;
                               if (keyCode == 13) {
                                    document.studentform.previoussearch.value=1;
                                    document.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>


