var sportNames = new Array("m-basebl","m-baskbl","w-baskbl","w-xc","m-footbl","m-golf","w-golf","w-gym","w-softbl","m-soccer","w-soccer","m-tennis","w-tennis","w-track","w-volley","m-wrestl");

function randimg() { }
r = new randimg()
n = 0

// add your images here
r[n++]= '<a href="/"><img src="http://graphics.fansonly.com/schools/niu/graphics/niu-07-masthd-m-footbl.jpg" width="337" height="160" border="0" alt="NIU Huskie Athletics"></a>'
for (i=0; i<sportNames.length; i++){
r[n++]= '<a href="/"><img src="http://graphics.fansonly.com/schools/niu/graphics/niu-07-masthd-' +sportNames[i]+ '.jpg" width="337" height="160" border="0" alt="NIU Huskie Athletics"></a>'
}

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