var mess = new Array('<img src="images/piano.jpg" alt="Painist and Composer Laurence Lee" width="720" height="393" />','<img src="images/piano.jpg" alt="Painist and Composer Laurence Lee" width="720" height="393" />');
var max = mess.length;
var num = Math.floor((Math.random() * max));
document.writeln(mess[num]);