function showRandomBanners() {
  images = new Array(31);
  images[0] = "http://www.karperwereld.nl/images/bfp-klein.gif";
  images[1] = "http://www.vlemmix.nl/banners/bannervlemmix.gif";
  images[2] = "http://www.karperwereld.nl/images/korda-klein.jpg";
  images[3] = "http://www.karperwereld.nl/images/hareco-klein.jpg";
  images[4] = "http://www.karperwereld.nl/images/ws-klein.gif";
  images[5] = "http://www.karperwereld.nl/images/spiegel-klein.gif";   
  images[6] = "http://www.karperwereld.nl/images/pb-klein.jpg";  
  images[7] = "http://www.karperwereld.nl/images/icarp-klein.jpg";
  images[8] = "http://www.karperwereld.nl/images/strategy-klein.gif";
  images[9] = "http://www.karperwereld.nl/images/fishing4u-klein.jpg";
  images[10] = "http://www.karperwereld.nl/images/karperbootshop-klein.jpg";
  images[11] = "http://www.karperwereld.nl/images/karperwereld-klein.gif";
  images[12] = "http://www.karperwereld.nl/images/soul-klein.gif";
  images[13] = "http://www.karperwereld.nl/images/hollandbaits-klein.jpg";
  images[14] = "http://www.karperwereld.nl/images/targetbaits-klein.jpg";
  images[15] = "http://www.raven.nl/banner/karperwereld_banner.gif";
  images[16] = "http://www.karperwereld.nl/images/jrc-klein.jpg";
  images[17] = "http://www.karperwereld.nl/images/ultima-klein.gif";
  images[18] = "http://www.karperwereld.nl/images/martinsb-klein.gif";
  images[19] = "http://www.karperwereld.nl/images/ksk-klein.jpg";
  images[20] = "http://www.karperwereld.nl/images/sanders-klein.gif";
  images[21] = "http://www.karperwereld.nl/images/karper-extern-klein.gif";  
  images[22] = "http://www.karperwereld.nl/images/fox-klein.gif";  
  images[23] = "http://www.karperwereld.nl/images/proline-klein.gif";
  images[24] = "http://www.karperwereld.nl/images/nash-klein.gif";
  images[25] = "http://www.karperwereld.nl/images/bbspecimenrods-klein.gif";
  images[26] = "http://www.tackledirect.nl/KWBanners/KW_Bannersmall.gif";
  images[27] = "http://www.karperwereld.nl/images/bukkum-klein.gif";  
  images[28] = "http://www.karperwereld.nl/images/carpspecialist-klein.jpg"; 
  images[29] = "http://www.karperwereld.nl/images/gardner_banner_klein.jpg"; 
  images[30] = "http://www.karperwereld.nl/images/nachtvisseninfrankrijk.gif"; 
   
  urls = new Array(31);
  urls[0] = "http://www.bfpproducts.nl";
  urls[1] = "http://www.vlemmix.nl";
  urls[2] = "http://www.korda.co.uk";
  urls[3] = "http://www.hareco-hengelsport.nl";
  urls[4] = "http://www.watersportcentrale.nl";
  urls[5] = "http://www.spiegelmagazine.nl";   
  urls[6] = "http://www.pb-products.com";  
  urls[7] = "http://www.icarp.nl"
  urls[8] = "http://www.strategycarp.eu";
  urls[9] = "http://www.fishing4u.nl";
  urls[10] = "http://www.karperbootshop.nl";
  urls[11] = "http://www.dekarperwereld.nl";
  urls[12] = "http://www.soulcarp.com";
  urls[13] = "http://www.hollandbaits.nl";
  urls[14] = "http://www.targetbaits.nl";
  urls[15] = "http://www.raven.nl";
  urls[16] = "http://www.jrcproducts.nl/";
  urls[17] = "http://www.ultimauk.com";
  urls[18] = "http://www.teamsb.nl";
  urls[19] = "http://www.karperwereld.nl/ksk";
  urls[20] = "http://www.sanders-hengelsport.nl";  
  urls[21] = "http://www.karper-magazine.nl/karperwereld";
  urls[22] = "http://www.foxint.com/";  
  urls[23] = "http://www.proline-products.nl";
  urls[24] = "http://www.nashtackle.com/";
  urls[25] = "http://www.specimenrods.nl/";
  urls[26] = "http://www.tackledirect.nl/";
  urls[27] = "http://www.bukkumhengelsport.nl/";
  urls[28] = "http://www.thecarpspecialist.nl/";   
  urls[29] = "http://www.gardnertackle.co.uk";   
  urls[30] = "http://www.nachtvisseninfrankrijk.nl/";

  alts = new Array(31);
  alts[0] = "BFP Products";
  alts[1] = "Vlemmix;"
  alts[2] = "Korda";
  alts[3] = "Hareco Hengelsport";
  alts[4] = "Watersportcentrale";
  alts[5] = "Spiegelmagazine"; 
  alts[6] = "PB Products";  
  alts[7] = "Icarp";
  alts[8] = "Strategy";
  alts[9] = "Fishing4u";
  alts[10] = "De Karperbootshop";
  alts[11] = "Dé Karperwereld";
  alts[12] = "Soul Carp";
  alts[13] = "Holland Baits";
  alts[14] = "Targetbaits";
  alts[15] = "Raven Fishing & Outdoor";
  alts[16] = "JRC Products";
  alts[17] = "Ultima";
  alts[18] = "Martin SB";
  alts[19] = "K.S. Karperknikkers";
  alts[20] = "Sanders Hengelsport";
  alts[21] = "Karper";
  alts[22] = "Fox";
  alts[23] = "Proline"; 
  alts[24] = "Nash Tackle";
  alts[25] = "BB Specimenrods";
  alts[26] = "Tackledirect";
  alts[27] = "Bukkum Hengelsport";
  alts[28] = "The Carp Specialist";
  alts[29] = "Gardner Tackle";
  alts[30] = "Nachtvissen in Frankrijk";

  hStartIndex = Math.floor(Math.random() * images.length);
  hPlaceIndex = 0;

  for(var i = hStartIndex; i<images.length; i++) {
    hImage = "leftImage" + (hPlaceIndex);
    hLink  = "leftLink" + (hPlaceIndex);
    
    document.getElementById(hImage).src = images[i];
    document.getElementById(hImage).alt = alts[i];
    document.getElementById(hLink).href = urls[i];

    hPlaceIndex++;
  }

  if(hStartIndex > 0) {
    for(var j = 0; j<hStartIndex; j++) {
      hImage = "leftImage" + (hPlaceIndex);
      hLink  = "leftLink" + (hPlaceIndex);
     
      document.getElementById(hImage).src = images[j];
      document.getElementById(hImage).alt = alts[j];
      document.getElementById(hLink).href = urls[j];

      hPlaceIndex++;
    }
  }
}