adImages = new Array(
"images/banners/seven.gif",
"images/banners/StGallen.gif",
"images/banners/LSE2012.gif",
"images/banners/heygroup2.gif",
"images/banners/Banc de Binary.gif",
"images/banners/IESE.gif"
);

adUrls = new Array(
"http://www.sevencs.co.uk/",
"http://www.es.unisg.ch/en/",
"http://www2.lse.ac.uk/study/summerSchools/executiveSummerSchool/Home.aspx",
"http://www.thehaygroupconference.com/",
"http://lp.bbinary.com/General/?campaign=238",
"http://www.iese.edu/en/home.asp"
);

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()", 9300);
}
}

window.onload = rotate();