var mess = new Array('<img src="images/splash_6.jpg" />','<img src="images/splash_7.jpg" />','<img src="images/splash_8.jpg" />','<img src="images/splash_9.jpg" />','<img src="images/splash_10.jpg" />');
var max = mess.length;
var num = Math.floor((Math.random() * max));
document.writeln(mess[num]);