// rotation speed, path to images
 var rotatorFr = new dw_RandRotator(60000, "http://www.polymtl.ca/esteban/images/headers/");
 var imgListFr = ["header1.png", "header2.png", "header3.png", "header4.png", "header5.png" ];
 // images array, width and height of images, transition filter (boolean)
 rotatorFr.setUpImage(imgListFr ,false);