var imgs1 = new Array("images/pic1.jpg","images/pic2.jpg","images/pic3.jpg","images/pic4.jpg","images/pic5.jpg","images/pic6.jpg","images/pic7.jpg","images/pic8.jpg","images/pic9.jpg","images/pic10.jpg");
var alt1 = new Array();
var currentAd1 = 0;
var imgCt1 = 10;
function cycle1() {
  if (currentAd1 == imgCt1) {
    currentAd1 = 0;
  }
var banner1 = document.getElementById('adBanner1');
var link1 = document.getElementById('adLink1');
  banner1.src=imgs1[currentAd1]
  banner1.alt=alt1[currentAd1]
  currentAd1++;
}
  window.setInterval("cycle1()",5000);