var bannerImg = new Array();
  // Enter the names of the images below
  bannerImg[0]="/media/logo_spa.png";
  bannerImg[1]="/media/logo_grass.png";
  bannerImg[2]="/media/logoBlackburn.png";
    bannerImg[3]="/media/logoHCC.png";
      bannerImg[4]="/media/logoNAT.png";
   bannerImg[5]="/media/logoCVS2.png";
   bannerImg[6]="/media/logoCYP.png";
    bannerImg[7]="/media/logoIOP.png";
    bannerImg[8]="/media/logo_standout.png";
    bannerImg[9]="/media/logo_badminton.png";
    bannerImg[10]="/media/logo_summerfun.png";



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

function cycleBan() {
  newBanner++;
  if (newBanner == totalBan) {
    newBanner = 0;
  }
  document.banner.src=bannerImg[newBanner];
  // set the time below for length of image display
  // i.e., "4*1000" is 4 seconds
  setTimeout("cycleBan()", 4*1000);
}
window.onload=cycleBan;