// JavaScript Document controls the random banner images
// written by Teri Hoyer  Jan 2006

// images for random rotation in center of page
var bannerImage = new Array()
bannerImage[0] = 'http://thunder1.cudenver.edu/clas/biology/images/headerPg2-1.jpg';
bannerImage[1] = 'http://thunder1.cudenver.edu/clas/biology/images/headerPg2-2.jpg';
bannerImage[2] = 'http://thunder1.cudenver.edu/clas/biology/images/headerPg2-3.jpg';
bannerImage[3] = 'http://thunder1.cudenver.edu/clas/biology/images/headerPg2-4.jpg';
bannerImage[4] = 'http://thunder1.cudenver.edu/clas/biology/images/headerPg2-5.jpg';
bannerImage[5] = 'http://thunder1.cudenver.edu/clas/biology/images/headerPg2-6.jpg';

// do not edit anything below this line


function showBannerImg() {
var r = bannerImage.length;
var whichImage2 = Math.round(Math.random()*(r-1));
document.write('<img src="'+bannerImage[whichImage2]+'" alt="Department of Biology"  width="770" height="91" border="0" />');
}