Не работает кнопка выйти - Joomla 2.5: Общие вопросы

<div class="profile <?php echo $this->pageclass_sfx?>">
<?php if (JFactory::getUser()->id == $this->data->id) : ?>
<ul class="btn-toolbar pull-right">
	<li class="btn-group">
		<a class="btn" href="<?php echo JRoute::_('index.php?option=com_users&task=profile.edit&user_id='.(int) $this->data->id);?>">
			<span class="icon-user"></span> <?php echo JText::_('COM_USERS_EDIT_PROFILE'); ?></a> />
			<a class="btn" href="<?php echo JRoute::_('index.php?option=com_virtuemart&view=orders='.(int) $this->data->id);?>">
			</span> <?php echo JText::_('Список заказов'); ?></a>
			<a class="btn" href="<?php echo JRoute::_( 'index.php?option=com_users&task=user.logout'.(int) $this->data->id);?>">
		    </span> <?php echo JText::_('Выйти'); ?></a>
			</div>
		</div>
	</li>
</ul>

<div class="profile <?php echo $this->pageclass_sfx?>">
<?php if (JFactory::getUser()->id == $this->data->id) : ?>
<ul class="btn-toolbar pull-right">
	<li class="btn-group">
		<a class="btn" href="<?php echo JRoute::_('index.php?option=com_users&task=profile.edit&user_id='.(int) $this->data->id);?>">
			<span class="icon-user"></span> <?php echo JText::_('COM_USERS_EDIT_PROFILE'); ?></a> />
			<a class="btn" href="<?php echo JRoute::_('index.php?option=com_virtuemart&view=orders='.(int) $this->data->id);?>">
			</span> <?php echo JText::_('Список заказов'); ?></a>
	<form action="<?php echo JRoute::_('index.php?option=com_users&task=user.logout'); ?>" method="post" 
		<ul class="btn-toolbar pull-right">
				<button type="submit" class="btn""><span </span> <?php echo JText::_('Выйти'); ?></button>
			</div>
		</div>
		<?php echo JHtml::_('form.token'); ?>
	</form>
	</li>

<?php echo JHtml::_('form.token'); ?>
	</form>