protected function reset()
{
$this->getControls()->clear();
$this->_header = null;
$this->_stepContent = null;
$this->_sideBar = null;
$this->_sideBarDataList = null;
$this->_navigation = null;
$this->_startNavigation = null;
$this->_stepNavigation = null;
$this->_finishNavigation = null;
}