Carousel Figure timers

window.onload=function () {
    var alogo =document.getElementById("logo")
    var aa = ["./img/cd3e871466f03e864f08e12cd372bcc9.jpeg",
        "./img/b27b4f1f0b212f503cbb24011dc8f7e6.jpeg",
        "./img/0bda20a27b83f7e25665b48736f3264b.jpeg",
        "./img/88442c2c2f87a4737ddc2305113b66ab.jpeg",
        "./img/40a457585714d439acca2085a1e32a07.jpeg",
        "./img/8ffc1b07c66ecaf530e3bc613551d1f7.jpeg",
         " ./Img/cd3e871466f03e864f08e12cd372bcc9.jpeg " 
    ]; 
// defined bb with id "lb1" a div 
    var bb = document.getElementById ( ' abpicimg ' );
     var I = 0 ; 
    the setInterval (function () { 
        // Run a. 1 + i 
        i ++ ;
         // if so i is equal to the length of the array aa = 0 i 
        IF (i == aa.length) { 
            i = 0 ; 
        } 
        // make aa bb [i] equal 
        bb.src = aa [ I];
         // two seconds rotation time 
    }, 2000);