Запомнить select с помощью cookie

Как запомнить выбор select с помощью cookie ?

Код (Text):

1.  
2. <? $nm = "1"; ?>
3. <form method="post">
4. <select name="select" onchange="this.form.submit()">
5. <option value="1" <? if($_POST['select'] == "1"): ?>selected="selected"<? endif ?>>1</option>
6. <option value="2" <? if($_POST['select'] == "2"): ?>selected="selected"<? endif ?>>2</option>
7. </select>
8. </form>
9. <?
10. if(isset($_POST['select'])) $nm= $_POST['select'];
11. echo "Город: ".$nm;
12. ?>

 

Код (Text):

1.  
2. <? $nm = "1"; ?>
3. <form method="post">
4. <select name="select" onchange="this.form.submit()">
5. <option value="1" <? if(setcookie('select', $_POST['select'], time()+30) == "1"): ?>selected="selected"<? endif ?>>1</option>
6. <option value="2" <? if(setcookie('select', $_POST['select'], time()+30) == "2"): ?>selected="selected"<? endif ?>>2</option>
7. </select>
8. </form>
9. <?
10. if(isset($_POST['select'])) $nm= $_POST['select'];
11. echo "Город: ".$nm;
12. ?>

Вот так?