var imagenumber = 20;
var randomnumber = Math.random() ;
var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1 ;
images = new Array
<!--Indicate what image will be displayed on home page. You must comment out all other lines with this> <!--
images[1] = "1972.jpg"
images[2] = "1973.jpg"
images[3] = "1975.jpg"
images[4] = "1980.jpg"
images[5] = "1981.jpg"
images[6] = "1982.jpg"
images[7] = "1986.jpg"
images[8] = "1983.jpg"
images[9] = "1990.jpg"
images[10] = "1991.jpg"
images[11] = "1996.jpg"
images[12] = "1998.jpg"
images[13] = "2000.jpg"
images[14] = "2001.jpg"
images[15] = "2002.jpg"
images[16] = "2003.jpg"
images[17] = "2004.jpg"
images[18] = "2006.jpg"
images[19] = "2008.jpg"
images[20] = "2009.jpg"
var image = images[rand1] 
<!-- Use "images[rand1]" to rotate through all images.  -->
links = new Array
links[1] = "http://www.cooley.edu/overview/timeline/1972.html"
links[2] = "http://www.cooley.edu/overview/timeline/1973.html"
links[3] = "http://www.cooley.edu/overview/timeline/1975.html"
links[4] = "http://www.cooley.edu/overview/timeline/1980.html"
links[5] = "http://www.cooley.edu/overview/timeline/1981.html"
links[6] = "http://www.cooley.edu/overview/timeline/1982.html"
links[7] = "http://www.cooley.edu/overview/timeline/1986.html"
links[8] = "http://www.cooley.edu/overview/timeline/1983.html"
links[9] = "http://www.cooley.edu/overview/timeline/1990.html"
links[10] = "http://www.cooley.edu/overview/timeline/1991.html"
links[11] = "http://www.cooley.edu/overview/timeline/1996.html"
links[12] = "http://www.cooley.edu/overview/timeline/1998.html"
links[13] = "http://www.cooley.edu/overview/timeline/2000.html"
links[14] = "http://www.cooley.edu/overview/timeline/2001.html"
links[15] = "http://www.cooley.edu/overview/timeline/2002.html"
links[16] = "http://www.cooley.edu/overview/timeline/2003.html"
links[17] = "http://www.cooley.edu/overview/timeline/2004.html"
links[18] = "http://www.cooley.edu/overview/timeline/2006.html"
links[19] = "http://www.cooley.edu/overview/timeline/2008.html"
links[20] = "http://www.cooley.edu/overview/timeline/2009.html"
// -- End Hiding Here -->
// -- End Hiding Here -->
var link = links[rand1]