public function installationFormInit(FormDefaultSettings $form)
    {
        $form->addElement('checkbox', 'do_not_track', null,
            array(
                'content' => '<div class="form-help">' . Piwik::translate('PrivacyManager_DoNotTrack_EnabledMoreInfo') . '</div> &nbsp;&nbsp;' . Piwik::translate('PrivacyManager_DoNotTrack_Enable')
            ));
        $form->addElement('checkbox', 'anonymise_ip', null,
            array(
                'content' => '<div class="form-help">' . Piwik::translate('PrivacyManager_AnonymizeIpExtendedHelp', array('213.34.51.91', '213.34.0.0')) . '</div> &nbsp;&nbsp;' . Piwik::translate('PrivacyManager_AnonymizeIpInlineHelp')
            ));

        // default values
        $form->addDataSource(new HTML_QuickForm2_DataSource_Array(array(
            'do_not_track' => $this->dntChecker->isActive(),
            'anonymise_ip' => IPAnonymizer::isActive(),
        )));
    }