var bannerImg = new Array();
  // Enter the names of the images below
  bannerImg[0]="./images/np_banner_r3.png";
  bannerImg[1]="./images/np_banner_r6.png";
  bannerImg[2]="./images/np_banner_r4.png";
  bannerImg[3]="./images/np_banner_r2.png";
  bannerImg[4]="./images/np_banner_r5.png";
  bannerImg[5]="./images/np_banner_r7.png";
  bannerImg[6]="./images/np_banner_r8.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()", 6*1000);
}
window.onload=cycleBan;