var ic = 6;
    var randImg = new Array(ic);
        
randImg[0] = "images/random/01.jpg";
randImg[1] = "images/random/02.jpg";
randImg[2] = "images/random/03.jpg";
randImg[3] = "images/random/04.jpg";
randImg[4] = "images/random/05.jpg";
randImg[5] = "images/random/06.jpg";

function pickRandom(range) {
if (Math.random)
return Math.round(Math.random() * (range-1));
else {
var now = new Date();
return (now.getTime() / 1000) % range;
}
}
var choice = pickRandom(ic);