var bannerImg = new Array();
  // Enter the names of the images below
	bannerImg[0]="books/book01.jpg";
	bannerImg[1]="books/book02.jpg";
	bannerImg[2]="books/book03.jpg";
	bannerImg[3]="books/book04.jpg";
	bannerImg[4]="books/book05.jpg";
	bannerImg[5]="books/book06.jpg";
	bannerImg[6]="books/book07.jpg";
	bannerImg[7]="books/book08.jpg";
	bannerImg[8]="books/book09.jpg";
	bannerImg[9]="books/book10.jpg";
	
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;