ВопросПереопределение кнопки отправки webform

<div id="edit-actions" class="form-actions form-wrapper">
<input id="edit-submit" class="form-submit" type="submit" value="Отправить" name="op">
</div>

<div class="form-item form-type-textfield form-item-captcha-response">

<fieldset class="captcha form-wrapper">
<legend>
<span class="fieldset-legend">CAPTCHA</span>
</legend>
<div class="fieldset-wrapper" style="display: block; margin: 0px; position: absolute;">
<div class="fieldset-description">This question is for testing whether or not you are a human visitor and to prevent automated spam submissions.</div><input type="hidden" value="261" name="captcha_sid">
<input type="hidden" value="28e3d95b2001ff381949b4cfcab0a806" name="captcha_token">
<pre style="line-height:1.1;font-size:4pt;" class="ascii_art_captcha"></pre>
<div class="form-item form-type-textfield form-item-captcha-response">
<label for="edit-captcha-response">Введите код, указанный выше <span title="Обязательно для заполнения." class="form-required">*</span></label>
<input type="text" class="form-text required" maxlength="10" size="10" value="" name="captcha_response" id="edit-captcha-response" autocomplete="off">
<div class="description">Введите код, изображенный в стиле ASCII-арт.</div>
<div id="edit-actions" class="form-actions form-wrapper">
<input id="edit-submit" class="form-submit" type="submit" value="Отправить" name="op">
</div>
</div>
</div>
</fieldset>