- global $wgReCaptchaPublicKey;
- return "<script>var RecaptchaOptions = { tabindex : 1 }; </script> " .
- recaptcha_get_html($wgReCaptchaPublicKey, $this->recaptcha_error);
+ global $wgReCaptchaPublicKey, $wgReCaptchaTheme;
+ $useHttps = ( isset( $_SERVER['HTTPS'] ) && $_SERVER['HTTPS'] == 'on' );
+ $js = 'var RecaptchaOptions = ' . Xml::encodeJsVar( array( 'theme' => $wgReCaptchaTheme, 'tabindex' => 1 ) );
+
+ return Html::inlineScript( $js ) . recaptcha_get_html($wgReCaptchaPublicKey, $this->recaptcha_error, $useHttps);