var imgs1 = new Array("flash/2011_banner.swf","flash/feature.swf");
var lnks1 = new Array("Link 1","Link2");
var alt1 = new Array("Alt text 1","Alt text 2");
var currentAd1 = 0;
var imgCt1 = 2;
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]
  document.getElementById('adLink1').href=lnks1[currentAd1]
  currentAd1++;
}
  window.setInterval("cycle1()", 20000);