var mess = new Array
(' <img src="images/testimonial_jesus.gif"/>',
 ' <img src="images/testimonial_jude.gif"/>',
 ' <img src="images/testimonial_lerigymps.gif"/>',
 ' <img src="images/testimonial_mary.gif"/>',
 ' <img src="images/testimonial_robert.gif"/>',
 ' <img src="images/testimonial_robert-a.gif"/>');
var max = mess.length;
var num = Math.floor((Math.random() * max));
document.writeln(mess[num]);