var gCaptchaSibWidget;
var onloadSibCallbackInvisible = function () {

var element = document.getElementsByClassName('sib-default-btn');
var countInvisible = 0;
var indexArray = [];
jQuery('.sib-default-btn').each(function (index, el) {
if ((jQuery(el).attr('id') == "invisible")) {
indexArray[countInvisible] = index;
countInvisible++
}
});

jQuery('.invi-recaptcha').each(function (index, el) {
grecaptcha.render(element[indexArray[index]], {
'sitekey': jQuery(el).attr('data-sitekey'),
'callback': sibVerifyCallback,
});
});
};