var ic = 6;     // Number of alternative images
var rand = new Array(ic);  // Array to hold filenames
      
rand[0] = "homegrown_autumn/head.jpg";
rand[1] = "homegrown_autumn/horowitz.jpg";
rand[2] = "homegrown_autumn/peltier.jpg";
rand[3] = "homegrown_autumn/prisby.jpg";
rand[4] = "homegrown_autumn/ratcliffe.jpg";
rand[5] = "homegrown_autumn/white.jpg";

function pickRandom(range) {
if (Math.random)
return Math.round(Math.random() * (range-1));
else {
var now = new Date();
return (now.getTime() / 1000) % range;
}
}
// Write out an IMG tag, using a randomly-chosen image name.
var choice = pickRandom(ic);