<form name="form:change" method="post" action="addchange.php">
          <div class="modal-body">
        <form name="form:classrooms" method="post" action="addclassroomchange.php">
          <div class="row">
            <div class="col-md-6">
              <div class="form-group">
            <div class="input-group date">
              <input id="when" name="when" type="text" class="form-control" placeholder="kiedy?"><span class="input-group-addon"><i class="glyphicon glyphicon-calendar"></i></span>
            </div>
              </div>
            </div>
            <div class="col-md-6">
              <div class="form-group">
            <div class="input-group">
              <span class="input-group-addon"><i class="glyphicon glyphicon-arrow-up"></i></span><input name="bad_teacher" type="text" class="form-control" placeholder="za kogo?">
            </div>
              </div>
            </div>
          </div> <!-- ./row -->

          <table class="table table-striped">
            <tr>
              <th>
            #
              </th>
              <th>
            <i class="glyphicon glyphicon-check"></i>
              </th>
              <th>
            Klasa
              </th>
              <th>
            Opis
              </th>
            </tr>

            <?php
              for ($i=1; $i<=8; $i++) {
            echo "
            <div class='row'>
              <tr>
                <div class='col-md-2'>
                  <td class='vert-align'>
                <div>
                  ".$i."
                </div>
                  </td>
                </div>
                <div class='col-md-2'>
                  <td class='vert-align'>
                <input name='is" .$i. "ID' type='checkbox' value='0'>
                  </td>
                </div>
                <div class='col-md-4'>
                  <td class='vert-align'>
                <div class='form-group'>
                  <div class='input-group'>
                    <span class='input-group-addon'><i class='glyphicon glyphicon-user'></i></span><input name='classID" . $i . "' type='text' class='form-control' placeholder='klasa?'>
                  </div>
                </div>
                  </td>
                </div>
                <div class='col-md-4'>
                  <td class='vert-align'>
                <div class='form-group'>
                  <div class='input-group'>
                    <span class='input-group-addon'><i class='glyphicon glyphicon-refresh'></i></span><input name='teacherID" . $i . "' type='text' class='form-control' placeholder='kto?'>
                  </div>
                </div>
                  </td>
                </div>
              </tr>
            </div>";
              }
            ?>
          </table>
          </div><!-- ./modal-body -->
        <div class="modal-footer">
          <button type="button" class="btn btn-default" data-dismiss="modal">Anuluj</button>
          <button class="btn btn-primary" type="submit" name="Submit">Dodaj zastępstwo</button>
        </div>
        </form>