adImages = new Array(
"images/banners/mit.gif",
"images/banners/DinersClub.gif",
"images/banners/2010-SCCE-Risk.gif",
"images/banners/2010-SCCE-London.gif",
"images/banners/GIL-2010-UK.gif",
"images/banners/London Business School.gif",
"images/banners/Uni of Washington Foster.gif"
);

adUrls = new Array(
"http://mitsloan.mit.edu/",
"http://www.dinersclubcorporate.com",
"http://www.corporatecompliance.org/risk",
"http://www.corporatecompliance.org/london2010",
"http://www.gil-global.com/europe/",
"http://www.london.edu",
"http://www.foster.washington.edu"
);

currentAd = 0;
currentUrl = document.getElementById("bannerurl"); 
imgCount = adImages.length;


function rotate() {
if (document.images) {
currentAd++;

if (currentAd == imgCount) {
currentAd = 0;
}
document.bannerimage.src = adImages[currentAd];
currentUrl.href = adUrls[currentAd];
setTimeout("rotate()", 10000);
}
}

window.onload = rotate();