if (document.images) {
  random1 = new Image; random1.src = "images/random1.jpg";
  random2 = new Image; random2.src = "images/random2.jpg";
  random3 = new Image; random3.src = "images/random3.jpg";
  random4 = new Image; random4.src = "images/random4.jpg";
  random5 = new Image; random5.src = "images/random5.jpg";
  random6 = new Image; random6.src = "images/random6.jpg";
  random7 = new Image; random7.src = "images/random7.jpg";
    random8 = new Image; random8.src = "images/random8.jpg";
      random9 = new Image; random9.src = "images/random9.jpg";
  }

rnd.today=new Date();
rnd.seed=rnd.today.getTime();

function rnd() {
        rnd.seed = (rnd.seed*9301+49297) % 233280;
        return rnd.seed/(233280.0);
};

function rand(number) {
        return Math.ceil(rnd()*number);
};