var imgs = new Array();
var links = new Array();
var currIndex = 0;

function ChangeImages()
{
    var img = document.getElementById("imageMain");
    var link = document.getElementById("imageMainLink");
    if (currIndex > imgs.length - 1) currIndex = 0;
    img.src = imgs[currIndex].src;
    link.href = links[currIndex];
    currIndex++;    
}

function StartImageChanger() {
    links.push("SmartPrintDetails.aspx")
    links.push("SmartChartProDetails.aspx");

    var img = new Image();
    img.src = "Images/SmartPrintHomepage.jpg";
    var img1 = new Image();
    img1.src = "Images/MissingLink.jpg";
//    var img2 = new Image();
//    img2.src = "Images/ChartGroup.jpg";
//    var img3 = new Image();
//    img3.src = "Images/QuestionMarks.jpg";
    imgs.push(img);
    imgs.push(img1);
//    imgs.push(img2);
//    imgs.push(img3);

    window.setInterval(ChangeImages,15000);
}