A scrollable panel

The addition of the DEPTH attribute on the AREA tag illustrates a scrollable panel.

<!DOCTYPE DM SYSTEM>

<help name=helpscr width=46 depth=16>ShelfBrowse for Kids
<area depth=10>
  <info>
    <p>ShelfBrowse can help you
    find any kind of book you are looking for.
    The two main categories for books are:
    <dl tsize=12>
      <dthd>Book
      <ddhd>Description
      <dt>Fiction
      <dd>Fiction books are stories
      that never really happened.
      The writer made them up.
      For example:
        <ul>
          <li>Fairy Tales
          <li>Mysteries
          <li>Science fiction stories
        </ul>
      <dt>Nonfiction
      <dd>Nonfiction books are about
      things that really exist.
      For example:
        <ul>
          <li>History books
          <li>Reference books
          <li>How-to books
        </ul>
    </dl>
  </info>
</area>
</help>

When initially displayed, the first part of the scrollable text is visible. For this example, to scroll down, place the cursor on the first or last displayed line of text, and press Enter or the RIGHT (F11) key. Use the LEFT (F10) key to scroll up.

Figure 1. Help panel (example 1 of 4)

 HELPSCR     ShelfBrowse for Kids

                                  More:     +

 ShelfBrowse can help you find any kind of
 book you are looking for. The two main
 categories for books are:

 Book         Description

 Fiction      Fiction books are stories that
              never really happened.  The

  F1=Help         F3=Exit         F5=Exhelp
  F6=Keyshelp     F7=PrvTopic     F8=NxtTopic
 F10=PrvPage     F11=NxtPage     F12=Cancel

After you scroll down, this panel appears:

Figure 2. Help panel (example 2 of 4)

 HELPSCR      ShelfBrowse for Kids

                                   More:   - +
              never really happened. The
              writer made them up. For
              example:

              o   Fairy Tales

              o   Mysteries

              o   Science fiction stories

   F1=Help         F3=Exit         F5=Exhelp
   F6=Keyshelp     F7=PrvTopic     F8=NxtTopic
  F10=PrvPage     F11=NxtPage     F12=Cancel

After you scroll down, this panel appears:

Figure 3. Help panel (example 3 of 4)

 HELPSCR      ShelfBrowse for Kids

                                   More:    - +
              o   Science Fiction stories

 Nonfiction   Nonfiction books are about
              things that really exist. For
              example:

              o   History books

              o   Reference books

   F1=Help         F3=Exit         F5=Exhelp
   F6=Keyshelp     F7=PrvTopic     F8=NxtTopic
  F10=PrvPage     F11=NxtPage     F12=Cancel

After you scroll down, this panel appears:

Figure 4. Help panel (example 4 of 4)

 HELPSCR     ShelfBrowse for Kids

                                  More:   -
 Nonfiction  Nonfiction books are about
             things that really exist. For
             example:

             o   History books

             o   Reference books

             o   How-to books

  F1=Help         F3=Exit         F5=Exhelp
  F6=Keyshelp     F7=PrvTopic     F8=NxtTopic
 F10=PrvPage     F11=NxtPage     F12=Cancel

There is only one additional line to display, so the scroll has moved the scrollable text up only one line.