protected function _toHtml()
    {
        $urls = json_encode(Mage::helper('M2ePro')->getControllerActions('adminhtml_wizard_installationEbay'));
        $additionalJs = <<<SCRIPT
<script type="text/javascript">
    M2ePro.url.add({$urls});
    InstallationEbayWizardObj = new WizardInstallationEbay();
</script>
SCRIPT;
        $contentBlock = Mage::helper('M2ePro/Module_Wizard')->createBlock('installation_' . $this->getStep() . '_content', $this->getNick());
        return parent::_toHtml() . $additionalJs . $contentBlock->toHtml();
    }
 protected function _toHtml()
 {
     $contentBlock = Mage::helper('M2ePro/Module_Wizard')->createBlock('installation_' . $this->getStep() . '_content', $this->getNick());
     return parent::_toHtml() . $contentBlock->toHtml();
 }
 protected function _toHtml()
 {
     /** @var Ess_M2ePro_Helper_Module_Wizard $wizardHelper */
     $wizardHelper = $this->helper('M2ePro/Module_Wizard');
     return parent::_toHtml() . $wizardHelper->createBlock('congratulation_content', $this->getNick())->toHtml();
 }