var mess = new Array('<img src=\"../images/sidebar/current-students/students_01.jpg\" width=\"245\" height=\"207\">','<img src=\"../images/sidebar/current-students/students_02.jpg\" width=\"245\" height=\"207\">','<img src=\"../images/sidebar/current-students/students_03.jpg\" width=\"245\" height=\"207\">','<img src=\"../images/sidebar/current-students/students_04.jpg\" width=\"245\" height=\"207\">');
var max = mess.length;
var num = Math.floor((Math.random() * max));
document.writeln(mess[num]);