var imgs1 = new Array(
"http://www.cdja.ca/images/store/banners/banner2.jpg",
"http://www.cdja.ca/webdata/links_library/uploads/1192554732_Banner_swiftelite.jpg"
)

var lnks1 = new Array(
"http://www.tricerasoft.com",
"http://www.tricerasoft.com"
)

var alt1 = new Array(
"TriceraSoft",
"TriceraSoft"
)

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()",4000)