// JavaScript Document
function randimg() { }
r = new randimg();
n = 0
// add your images here
r[n++]= '<img src="../../images/main_nike_white.jpg" alt="Nike">'
r[n++]= '<img src="../../images/main_eurosport_black.gif" alt="Eurosport">'
r[n++]= '<img src="../../images/main_penn_logo.jpg" alt="U Penn - Logo">'
r[n++]= '<img src="../../images/main_swat_stadium.jpg" alt="Swarthmore - Stadium">'

i=Math.floor(Math.random() * n)
var s = i;
document.write( r[i] )