(function() {
    var payForOrder = document.getElementById('payfororder');
    payForOrder.onclick = function() {
        var forms = document.getElementsByClassName('uk-form-horizontal');
        for (let i=0;i<forms.length;i++) {
            var input = forms[i];
            if (!input.value) {
                window.location.href = window.location.href;
                alert('Listen, moron. Fill in ALL the addresses!');
                break;
            }
        }
    }
})();