public function getCurrentStep()
    {
        if ($this->_iCurrStep === null) {
            if (($this->_iCurrStep = $this->getInstance("Utilities")->getRequestVar("istep")) === null) {
                $this->_iCurrStep = $this->getStep('STEP_SYSTEMREQ');
            }
            $this->_iCurrStep = (int) $this->_iCurrStep;
        }

        return $this->_iCurrStep;
    }