var Images = [];
Images[0] = '/System/Images/About/Web3.bmp';
Images[1] = '/System/Images/About/Media.bmp';
Images[2] = '/System/Images/About/Brand.bmp';

var ImageId;
var ImageIndex = 0;
var ImageCount = 3;


function StartRotate(Id, Delay) {
    ImageId = Id;
    setInterval(RotateImage, Delay);
}
function RotateImage() {
    ImageIndex += 1;
    if (ImageIndex == ImageCount) ImageIndex = 0;
    var e = document.getElementById(ImageId);
    e.src = Images[ImageIndex];
}