var currentIndex = 0;
changeImage();
function changeImage() {

    $("#newImage").hide();

    $("#oldImage").attr("src", $("#newImage").attr("src"));

    if ((currentIndex + 1) == arrValues.length) {

        currentIndex = 0;

    } else {

        currentIndex++;

    }

    $("#newImage").attr("src", arrValues[currentIndex]);

    $("#newImage").fadeIn(2000);

    setTimeout(changeImage, 8000);


}