public function renderContents($writer)
{
$readyscript = 'jQuery(document).trigger(' . TJavaScript::quoteString('captchaready:' . $this->getClientID()) . ')';
$cs = $this->Page->ClientScript;
$id = $this->getClientID();
$divid = $id . '_1_recaptchadiv';
$writer->write('<div id="' . htmlspecialchars($divid) . '">');
if (!$this->Page->IsCallback) {
$writer->write(TJavaScript::renderScriptBlock('var RecaptchaOptions = ' . TJavaScript::jsonEncode($this->getClientSideOptions()) . ';'));
$html = $this->recaptcha_get_html($this->getPublicKey());
/*
reCAPTCHA currently does not support multiple validations per page
$html = str_replace(
array(self::ChallengeFieldName,self::ResponseFieldName),
array($this->getChallengeFieldName(),$this->getResponseFieldName()),
$html
);
*/
$writer->write($html);
$cs->registerEndScript('ReCaptcha::EventScript', 'jQuery(document).ready(function() { ' . $readyscript . '; } );');
} else {
$options = $this->getClientSideOptions();
$options['callback'] = new TJavaScriptLiteral('function() { ' . $readyscript . '; ' . $this->getCallbackScript() . '; }');
$cs->registerScriptFile('ReCaptcha::AjaxScript', self::RECAPTCHA_JS);
$cs->registerEndScript('ReCaptcha::CreateScript::' . $id, implode(' ', array('if (!jQuery(' . TJavaScript::quoteString('#' . $this->getResponseFieldName()) . '))', '{', 'Recaptcha.destroy();', 'Recaptcha.create(', TJavaScript::quoteString($this->getPublicKey()) . ', ', TJavaScript::quoteString($divid) . ', ', TJavaScript::encode($options), ');', '}')));
}
$writer->write('</div>');
}