var mess = new Array('<img src="images/random_sm/01.jpg" width="256" height="181">','<img src="images/random_sm/02.jpg" width="256" height="181">','<img src="images/random_sm/03.jpg" width="256" height="181">','<img src="images/random_sm/04.jpg" width="256" height="181">','<img src="images/random_sm/05.jpg" width="256" height="181">','<img src="images/random_sm/06.jpg" width="256" height="181">');
var max = mess.length;
var num = Math.floor((Math.random() * max));
document.writeln(mess[num]);
                    // JavaScript Document