Форма обратной связи - Joomla 3.x: Общие вопросы

<?php
/**
 * @package     Joomla.Site
 * @subpackage  com_contact
 *
 * @copyright   Copyright (C) 2005 - 2017 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

JHtml::_('behavior.keepalive');
JHtml::_('behavior.formvalidator');

?>
<div class="contact-form">	
	<form id="contact-form" action="<?php echo JRoute::_('index.php'); ?>" method="post" class="form">
		
		<input type="hidden" name="nospam:blank" value="" />
				
		<div class="input-field col s6">
			<input id="last_name" type="text" class="validate required" name="name" onkeyup="checkSendBox();" value="">
			<label for="last_name">Ваше имя <span class="required">*</span></label>
		</div>
				
		<div class="input-field col s12">
			<input id="email" type="email" name="email" class="validate required" onkeyup="checkSendBox();" value="">
			<label for="email" data-error="неверно" data-success="right">Email <span class="required">*</span></label>
		</div>
		
		<div class="input-field col s6">
			<input id="last_name" type="text" class="validate required" name="text" onkeyup="checkSendBox();" value="Обратная связь">
			<label for="last_name">Тема <span class="required">*</span></label>
		</div>
				
		<div class="input-field col s12">
			<textarea id="textarea1" class="materialize-textarea required" name="text" onkeyup="checkSendBox();" value=""></textarea>
			<label for="textarea1 text">Сообщение <span class="required">*</span></label>
		</div>
		
		<div class="control-group">
			<div class="controls">
				<div align="center"><input class="btn submit_button" type="submit" id="sendButton" disabled="disabled" value="Отправить" onclick="Materialize.toast('OK!', 4000,'')" /></div>
				<button class="btn btn-primary validate" type="submit"><?php echo JText::_('COM_CONTACT_CONTACT_SEND'); ?></button>
				<input type="hidden" name="option" value="com_contact" />
				<input type="hidden" name="task" value="contact.submit" />
				<input type="hidden" name="return" value="<?php echo $this->return_page; ?>" />
				<input type="hidden" name="id" value="<?php echo $this->contact->slug; ?>" />
				<?php echo JHtml::_('form.token'); ?>
			</div>
		</div>
	</form>
</div>