<form action="/index.php?go=messages&act=send_form"
action="" method="POST">
<input
type="text" name="theme" value=""
class="inp" placeholder="Тема
сообщения"/><br/><br/>
<input
type="hidden" name="for_user_id"
value="{for_id}" />
<textarea class="inp"
style="height:65px;" name="msg"
placeholder="Текст
сообщения"></textarea><br/><br/>
<button
class="button"
type="submit">Ответить</button>
</form>