<form action="bla.php" method="get">
Search:<br/>
<input type="text" name="act" value=""/><br/>
<input type="submit" value="Go" />
</form>

<form action="login.php" method="get">
ID:<br/>
<input type="text" name="id" value=""/><br/>
Пароль:<br/>
<input type="password" name="pass" value=""/><br/>
<input type="submit" value="Вход" />
</form>