random.m=714025; random.a=4096; random.c=150889;
random.seed = (new Date()).getTime()%random.m;
function random()
{
  random.seed = (random.seed*random.a + random.c) % random.m;
  return random.seed / random.m;
}

function randomizeimages()
{
  randomizeimage('image1', 135, '../jbdboxes/', '.jpg');
  randomizeimage('image2', 135, '../jbdboxes/', '.jpg');
  randomizeimage('image3', 135, '../jbdboxes/', '.jpg');
  randomizeimage('image4', 135, '../jbdboxes/', '.jpg');
  randomizeimage('image5', 135, '../jbdboxes/', '.jpg');
  randomizeimage('image6', 135, '../jbdboxes/', '.jpg');
  randomizeimage('image7', 135, '../jbdboxes/', '.jpg');
  randomizeimage('image8', 133, '../jbdboxes/', '.jpg');
  randomizeimage('image9', 135, '../jbdboxes/', '.jpg');
  randomizeimage('image10', 50, '../jgaboxes/', '.jpg');
  randomizeimage('image11', 50, '../jgaboxes/', '.jpg');
  randomizeimage('image12', 50, '../jgaboxes/', '.jpg');
  randomizeimage('image13', 50, '../jgaboxes/', '.jpg');
  randomizeimage('image14', 50, '../jgaboxes/', '.jpg');
  randomizeimage('image15', 50, '../jgaboxes/', '.jpg');
  randomizeimage('image16', 50, '../jgaboxes/', '.jpg');
  randomizeimage('image17', 50, '../jgaboxes/', '.jpg');
  randomizeimage('image18', 50, '../jgaboxes/', '.jpg');
}

function randomizeimage(img, count, base, type)
{
 document.images[img].src = base + Math.floor(random() * count + 1) + type
}