function myFunction() {
       var radios = document.querySelectorAll('input[type=radio]');
       var switching_point = 9999;

        for (i = 0; i < radios.length; ++i) {
            var radio = radios[i];
            let choice = js_vars.choice;
            if (choice == 1){
            if (radio.value == 'left' && radio.checked) {
                $('#switching_point').val(radio.dataset.amount);
                break;
            } else {
                $('#switching_point').val(9999);
            }
            }
            else{
            if (radio.value == 'right' && radio.checked) {
                $('#switching_point').val(radio.dataset.amount);
                break;
            } else {
                $('#switching_point').val(9999);
            }

            }
        }

        switching_point = document.getElementById("switching_point").value
        if (switching_point==0 || switching_point==9999){
            alert("You have made the dominated option, please double check your answer!");
            return false;
        }
        else{
            return true;
        }


};