var bannerImg = new Array();
  bannerImg[0]="images/header-branding.jpg";
  bannerImg[1]="images/header-bulls.jpg";
  bannerImg[2]="images/header-fence.jpg";
  bannerImg[3]="images/header-bulls2.jpg";
  bannerImg[4]="images/header-cows.jpg";
  bannerImg[5]="images/header-shadow.jpg";
  bannerImg[6]="images/header-flower.jpg";
  bannerImg[7]="images/header-tubes.jpg";

var newBanner = 0
var totalBan = bannerImg.length

function cycleBan() {
  newBanner++
  if (newBanner == totalBan) {
    newBanner = 0
  }
  document.banner.src=bannerImg[newBanner]
  setTimeout("cycleBan()", 3*1000)
}
window.onload=cycleBan;