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Скрипт для выбора всех чекбоксов.


vvsh
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Добрый всем вечер.

У меня есть форма с чекбоксами

<form action='del_s.php' method='post' name='pmdform' id='pmdform'>
<label><input type="checkbox" name="s[]" value="1" />Первый</label><br />
<label><input type="checkbox" name="s[]" value="2" />Второй</label><br />
<label><input type="checkbox" name="s[]" value="3" />Третий</label><br />
<input type="checkbox" name="types" value="0" />
</form>

я в ней нажимаю на эту кнопку:

<input type="checkbox" name="types" value="0" />

И должны выбраться все остальные пункты, но это работает только в такой форме:

<form action='del_s.php' method='post' name='pmdform' id='pmdform'>
<label><input type="checkbox" name="s" value="1" />Первый</label><br />
<label><input type="checkbox" name="s" value="2" />Второй</label><br />
<label><input type="checkbox" name="s" value="3" />Третий</label><br />
<input type="checkbox" name="types" value="0" />
</form>

Вот сам скрипт выбора:

<script type="text/javascript">function checkall(t){if (t.checked){if (document.pmdform.s.length>0){for (i=0;i<document.pmdform.s.length;i++){if (document.pmdform.s[i].value!=0){document.pmdform.s[i].checked=true;}}}else {document.pmdform.s.checked=true;}}else {if (document.pmdform.s.length>0){for (i=0;i<document.pmdform.s.length;i++){document.pmdform.s[i].checked=false;}}else {document.pmdform.s.checked=false;}}}</script>

Как сделать так, чтобы скрипт работал с первой формой?

Заранее спасибо.

Edited by vvsh
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