function skriv(banner){
  document.write(banner)
}

banner = new Array();
bannerImg = new Array();
bannerUrl = new Array();

bannerImg[0] = "banner/byens-autolak.gif";
bannerUrl[0] = "http://www.byensautolak.dk";

bannerImg[1] = "banner/castrol.gif";
bannerUrl[1] = "http://http://www.castrol.dk";

bannerImg[2] = "banner/psp-logo.gif";
bannerUrl[2] = "http://www.psp-info.dk";


bannerImg[3] = "banner/mazda-logo.gif";
bannerUrl[3] = "http://www.mazda.cz/html/d_plzen.html";

bannerImg[4] = "banner/psp-logo.gif";
bannerUrl[4] = "http://www.psp-info.dk";

bannerImg[5] = "banner/rallyinfo.gif";
bannerUrl[5] = "http://www.rallyinfo.dk/";

bannerImg[6] = "banner/roulunds.gif";
bannerUrl[6] = "http://www.roulunds.dk";

bannerImg[7] = "banner/dop.jpg";
bannerUrl[7] = "http://www.designogprint.dk/";

bannerImg[8] = "banner/danspeed.gif";
bannerUrl[8] = "http://www.danspeed.dk";


function changeBanner(bnum) {
  nummer = Math.floor(Math.random()*bannerImg.length);
  document[("banner"+bnum)].src = bannerImg[nummer];
  banner[bnum] = bannerUrl[nummer]
  setTimeout('changeBanner('+bnum+')',3000);
}

function clickBanner(bnum) {
  document.location.href = banner[bnum];
}