// JavaScript Document
var bannerImg = new Array();
  // Enter the names of the images below
  bannerImg[0]="http://ehleringer.net/Biology_7473/images/main_1.jpg";
  bannerImg[1]="http://ehleringer.net/Biology_7473/images/main_2.jpg";
  bannerImg[2]="http://ehleringer.net/Biology_7473/images/main_3.jpg";
  bannerImg[3]="http://ehleringer.net/Biology_7473/images/main_4.jpg";
  bannerImg[4]="http://ehleringer.net/Biology_7473/images/main_5.jpg";
  bannerImg[5]="http://ehleringer.net/Biology_7473/images/main_6.jpg";
  bannerImg[6]="http://ehleringer.net/Biology_7473/images/main_7.jpg";
  bannerImg[7]="http://ehleringer.net/Biology_7473/images/main_8.jpg";
  bannerImg[8]="http://ehleringer.net/Biology_7473/images/main_9.jpg";
  bannerImg[9]="http://ehleringer.net/Biology_7473/images/main_10.jpg";
  bannerImg[10]="http://ehleringer.net/Biology_7473/images/main_11.jpg";
  bannerImg[11]="http://ehleringer.net/Biology_7473/images/main_12.jpg";
  bannerImg[12]="http://ehleringer.net/Biology_7473/images/main_13.jpg";
  bannerImg[13]="http://ehleringer.net/Biology_7473/images/main_14.jpg";
  bannerImg[14]="http://ehleringer.net/Biology_7473/images/main_15.jpg";
  bannerImg[15]="http://ehleringer.net/Biology_7473/images/main_16.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., "10*1000" is 10 seconds
  setTimeout("cycleBan()", 3*1000);
}
window.onload=cycleBan;// JavaScript Document