[set Login]
  [userdb login]
[/set]

[set Logout_choice]
  [if type=explicit compare="[userdb function=logout clear='[cgi clear_values]']"]
    [set mv_no_count]1[/set]
    [set mv_no_session_id]1[/set]
    [if cgi clear_cart]
      [calc] @$Items = (); return; [/calc]
    [/if]
  [/if]
[/set]

[tmp cookie_username][read-cookie MV_USERNAME][/tmp]

<form action="[process secure=1]" method="POST">
  <input type="hidden" name="mv_todo"  value="return">
  <input type="hidden" name="mv_nextpage" value="index">
  [form-session-id]

  [if !session logged_in]
    <input type="hidden" name="mv_click" value="Login">

    <input name="mv_username" type="text">
    <input name="mv_password" type="password">

    [if config CookieLogin]
    <input type="hidden" name="mv_cookie_password" value="0">
    <input type="checkbox" name="mv_cookie_password" value="1" [if scratch cookie_username]CHECKED[/if]>
    [/if]

  [else]
    <input type="hidden" name="mv_click" value="Logout_choice">

    Logged in as [data session username].

    <input class="input" type="hidden" name="clear_values" value="1">
    <input class="input" type="checkbox" name="clear_values" checked value="1"> Erase values.

  [/else]
  [/if]

  <input type="submit" value="Submit">
</form>