var globalScore = 0;
        var globalProgress = 0;
        var currentAnswer = 0;

        function createQuestionBlock(i) {
            var questionNumber = i + 1;
            var qString = "<p>Pytanie nr. " + questionNumber + "<br><b>" + getQuestion(i) + "</b></p>" + br() + "<form>" +
                "<label for=\"answer1\"><input type=\"radio\" id=\"answer1\" name=\"answers\" onclick=\"radioOnChange(this," + i + ");\" value=1> " +
                getAnswer1(i) + "<\label>" + br() +
                "<label for=\"answer2\"><input type=\"radio\" id=\"answer2\" name=\"answers\" onclick=\"radioOnChange(this," + i + ");\" value=2> " +
                getAnswer2(i) + "<\label>" + br() +
                "<label for=\"answer3\"><input type=\"radio\" id=\"answer3\" name=\"answers\" onclick=\"radioOnChange(this," + i + ");\" value=3> " +
                getAnswer3(i) + "<\label>" + br() +
                "<label for=\"answer4\"><input type=\"radio\" id=\"answer4\" name=\"answers\" onclick=\"radioOnChange(this," + i + ");\" value=4> " +
                getAnswer4(i) + "<\label>" + br() + br();
            return qString;

        }

        function requiredScore() {

            return Math.floor(questions.length * (passingPercent / 100));
        }

        function radioOnChange(answers, i) {
            if (answers.value == questions[i].aCorrect) {
                currentAnswer = answers.value;
            } else {
                currentAnswer = answers.value;
            }
        }

        function nextQuestion() {
            if (currentAnswer == questions[globalProgress].aCorrect) {
                globalProgress++;
                globalScore++;
            } else {
                globalProgress++;
            }
            if (globalProgress >= questions.length) {
                dprintScore();
            } else {
                dprint();
            }


        }

        function dprintScore() {
            var passString = "";

            document.getElementById("content").innerHTML = "<center><p>Twój wynik to:<br><b>" + globalScore + "/" + questions.length + "</b>"
        }

        function getRandomQuestion() {
            return Math.floor((Math.random() * questions.length));
        }

        function getQuestion(i) {
            return questions[i].question;
        }

        function getAnswer1(i) {
            return questions[i].a1;
        }

        function getAnswer2(i) {
            return questions[i].a2;
        }

        function getAnswer3(i) {
            return questions[i].a3;
        }

        function getAnswer4(i) {
            return questions[i].a4;
        }

        function getCorrectAnswer(i) {
            return questions[i].aCorrect;
        }

        function br() {
            return "<br>";
        }

        function fisherYates(array) {
            var count = array.length,
                randomnumber, temp;
            while (count) {
                randomnumber = Math.random() * count-- | 0;
                temp = array[count];
                array[count] = array[randomnumber];
                array[randomnumber] = temp
            }
        }

        function getQuestionBlock(i) {
            return br() + getQuestion(i) + br() +
                getAnswer1(i) + br() +
                getAnswer2(i) + br() +
                getAnswer3(i) + br() +
                getAnswer4(i) + br() +
                getCorrectAnswer(i) + br() + br() +
                "Example question finish";
        }

        function testQuestionBlock() {
            var qString = br() + getQuestion(1) + br() +
                getAnswer1(1) + br() +
                getAnswer2(1) + br() +
                getAnswer3(1) + br() +
                getAnswer4(1) + br() +
                getCorrectAnswer(1) + br() + br() +
                "Example question finish" + br();

            document.getElementById("content").innerHTML = "<br>" + qString + "<br><br>Length of Question Array: " + questions.length + 1;
        }

        function dprint(s) {
                document.getElementById("content").innerHTML = createQuestionBlock(globalProgress);
            }

        document.getElementById("settings").innerHTML = "Liczba pytań: " + questions.length;
        dprint();