protected function alert($type = 'message', $content = null, $emphasis = null, $dismissible = false, array $attributes = array())
	{
		$attributes = array_merge(array('class' => 'alert' . ($dismissible ? ' alert-dismissable' : '') . ' alert-' . ($type != 'message' ? $type : 'default')), $attributes);
		$return = '<div ' . $this->html->attributes($attributes) . '>';

		if ($dismissible !== false) {
			$return .= '<button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>';
		}

		$return .= ($emphasis !== null && is_string($emphasis) ? '<strong>' . $emphasis . '</strong> ' : '') . $content . '</div>';

		return $return;
	}