if (document.images)
{
    adImages = new Array("http://www.vickyolive.com/images/JL/wv23940_2021 PJL.jpg",
                "http://www.vickyolive.com/images/JL/wv24112_2021 PJL.jpg", "http://www.vickyolive.com/images/JL/wv24003_2021 PJL.jpg");
    adURLs = new Array("www.lcs.mit.edu",
                "www.inria.fr", "www.keio.ac.jp");
    thisAd = 0;
}

function cycleAds()
{
    if (document.images)
    {
        if (document.adBanner.complete)
        {
            if (++thisAd == adImages.length)
                thisAd = 0;

            document.adBanner.src = adImages[thisAd];
        }
    }

    // change to next sponsor every 3 seconds
    setTimeout("cycleAds()", 3000);
}

function gotoAd()
{
    document.location.href = "http://" + adURLs[thisAd];
}