$(function () {
    $(document).on('click', '.form-standart__captcha-link', function () {
        var captchaWrapper = $(this).parents('.form-standart__captcha');
        $.ajax({
            url: '/local/php_interface/ajax/captcha.php',
            type: 'post',
            data: 'captcha=yes',
            success: function(data){
                captchaWrapper.find('.form-standart__captcha-img img').attr('src', '/bitrix/tools/captcha.php?captcha_sid=' + data);
                captchaWrapper.next('.form-standart__inputs').children('input[name=captcha_sid]').val(data);
            }
        });

        return false;
    });
});