var bannerImg = new Array();
bannerImg[0]="images/food1.jpg";
bannerImg[1]="images/food2.jpg";
bannerImg[2]="images/food3.jpg";
bannerImg[3]="images/food4.jpg";
bannerImg[4]="images/food5.jpg";

var newBanner = 0;
var totalBan = bannerImg.length;

function cycleBan() {
  newBanner++;
  if (newBanner == totalBan) {
	    newBanner = 0;
  }
  document.food.src=bannerImg[newBanner];
  setTimeout("cycleBan()", 4*1000);
}
window.onload=cycleBan;