var index = 0;
        function startTimer() {
            myArray = new Array("1.jpg", "2.jpg", "3.jpg", "4.jpg")
            if (index > 3) {
                index = 0;
            }
            document.getElementById("imgBanner").src = "../retail/assets/links/retail-main/" + myArray[index];
            index++;
        }
        function start() {
            ref = setInterval("startTimer()", 5000);
        }