echo $show_rooms_check == 'on' ? 4 : 3;
?>
" align="right">
                    <input type="hidden" name="change_visible" value="1">
                    <?
                        echo LinkButton::create(_("Alle auswählen"), URLHelper::getURL('', array('select_all' => TRUE, 'list' => TRUE, 'show_rooms_check' => $show_rooms_check)));
                        echo LinkButton::create(_("Keine auswählen"), URLHelper::getURL('', array('select_none' => TRUE, 'list' => TRUE, 'show_rooms_check' => $show_rooms_check)));
                    ?>
                    </td>
                </tr>

                <?
            }
        //more Options for lock changing
        if ($i_page == "admin_lock.php") {
            $seminar_lock_rules = LockRules::getAvailableSeminarRules($GLOBALS['user']->id);
            ?>
            <tr class="table_footer">
                <td colspan="3">
                </td>
                <td colspan="4" align="right">
                <?
                    $lock_all = Request::option('lock_all');
                    printf("<select name=\"lock_all\" size=1>");
                    printf("<option value=\"-1\">"._("Bitte wählen")."</option>");
                    printf("<option value=\"none\" %s>--"._("keine Sperrebene")."--</option>", $lock_all == 'none' ? 'selected=selected' : '' );
                    foreach($seminar_lock_rules as $lr) {
                        printf("<option value=\"".$lr["lock_id"]."\" ");
                        if (isset($lock_all) && $lock_all==$lr["lock_id"]) {
                            printf(" selected=selected ");
                        }