var dog_ad = 0;
  
  var dog_ad_image_srcs = new Array();
  dog_ad_image_srcs[0] = "http://www.1800petmeds.com/images/products/large/10028_160.jpg";
  dog_ad_image_srcs[1] = "http://www.1800petmeds.com/images/products/large/10029_160.jpg";
  dog_ad_image_srcs[2] = "http://www.1800petmeds.com/images/products/large/10030_160.jpg";
  dog_ad_image_srcs[3] = "http://www.1800petmeds.com/images/products/large/10431_160.jpg";
  dog_ad_image_srcs[4] = "http://www.1800petmeds.com/images/products/large/10028_160.jpg";
  dog_ad_image_srcs[5] = "http://www.1800petmeds.com/images/products/large/10029_160.jpg";
  dog_ad_image_srcs[6] = "http://www.1800petmeds.com/images/products/large/10030_160.jpg";
  dog_ad_image_srcs[7] = "http://www.1800petmeds.com/images/products/large/10431_160.jpg";
  dog_ad_image_srcs[8] = "http://www.1800petmeds.com/images/products/large/10028_160.jpg";
  dog_ad_image_srcs[9] = "http://www.1800petmeds.com/images/products/large/10029_160.jpg";
  dog_ad_image_srcs[10] = "http://www.1800petmeds.com/images/products/large/10030_160.jpg";
  dog_ad_image_srcs[11] = "http://www.1800petmeds.com/images/products/large/10431_160.jpg";
  
  var dog_ad_urls = new Array();
  dog_ad_urls[0] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10028&type=2&subid=0";
  dog_ad_urls[1] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10029&type=2&subid=0";
  dog_ad_urls[2] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10030&type=2&subid=0";
  dog_ad_urls[3] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10031&type=2&subid=0";
  dog_ad_urls[4] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10428&type=2&subid=0";
  dog_ad_urls[5] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10429&type=2&subid=0";
  dog_ad_urls[6] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10430&type=2&subid=0";
  dog_ad_urls[7] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10431&type=2&subid=0";
  dog_ad_urls[8] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.104282&type=2&subid=0";
  dog_ad_urls[9] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.104292&type=2&subid=0";
  dog_ad_urls[10] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.104302&type=2&subid=0";
  dog_ad_urls[11] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.104312&type=2&subid=0";
  
  var dog_ad_tracking_srcs = new Array();
  dog_ad_tracking_srcs[0] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10028&type=2&subid=0";
  dog_ad_tracking_srcs[1] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10029&type=2&subid=0";
  dog_ad_tracking_srcs[2] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10030&type=2&subid=0";
  dog_ad_tracking_srcs[3] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10031&type=2&subid=0";
  dog_ad_tracking_srcs[4] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10428&type=2&subid=0";
  dog_ad_tracking_srcs[5] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10429&type=2&subid=0";
  dog_ad_tracking_srcs[6] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10430&type=2&subid=0";
  dog_ad_tracking_srcs[7] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10431&type=2&subid=0";
  dog_ad_tracking_srcs[8] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.104282&type=2&subid=0";
  dog_ad_tracking_srcs[9] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.104292&type=2&subid=0";
  dog_ad_tracking_srcs[10] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.104302&type=2&subid=0";
  dog_ad_tracking_srcs[11] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.104312&type=2&subid=0";
  
  var dog_ad_prices = new Array();
  dog_ad_prices[0] = "$47.99";
  dog_ad_prices[1] = "$48.99";
  dog_ad_prices[2] = "$49.99";
  dog_ad_prices[3] = "$50.99";
  dog_ad_prices[4] = "$65.99";
  dog_ad_prices[5] = "$67.99";
  dog_ad_prices[6] = "$69.99";
  dog_ad_prices[7] = "$70.99";
  dog_ad_prices[8] = "$126.98";
  dog_ad_prices[9] = "$130.98";
  dog_ad_prices[10] = "$134.98";
  dog_ad_prices[11] = "$136.98";

  var dog_ad_image = "<img id=\"dog_ad_image\" border=0 src=\"" + dog_ad_image_srcs[dog_ad] + "\" >";
  var dog_ad_url = dog_ad_urls[dog_ad];
  var dog_ad_tracking = "<img id=\"dog_ad_tracking\" border=0 width=1 height=1 src=\"" + dog_ad_tracking_srcs[dog_ad] + "\" >";
  var dog_inner_html_buy = "Buy For ";
  var dog_ad_price = dog_inner_html_buy + dog_ad_prices[dog_ad];
  var dog_ad_copy = "Advantage Stops Fleas From Biting In 3-5 Minutes, Kills 98-100 Percent Of Fleas Within 12 Hours Of Application, Kills Re-infesting Fleas Within Two Hours And Lasts Up To A Month. Kills Fleas Before They Lay Eggs. One Treatment Prevents Further Infestation For At Least Four Weeks. 12 Topical Monthly Treatments.";
  
  function change_dog_select()
  {
    var dog_select = document.getElementById("dog_select");
    var value = dog_select.value;
    if (!isNaN(value))
    {
      var img = document.getElementById("dog_ad_image");
      img.src = dog_ad_image_srcs[value];
      var tracking = document.getElementById("dog_ad_tracking");
      tracking.src = dog_ad_tracking_srcs[value];
      var anchor = document.getElementById("dog_ad_url");
      anchor.href = dog_ad_urls[value];
      anchor.innerHTML = dog_inner_html_buy + dog_ad_prices[value];
    }
  }

  function create_dog()
  {
    document.write("<table border=\"0\">\n");
    document.write("  <tr>\n");
    document.write("    <td>" + dog_ad_image + " " + dog_ad_tracking + "</td>\n");
    document.write("    <td>" + dog_ad_copy + "</td>\n");
    document.write("  </tr>\n");
    document.write("</table>\n");

    document.write("<p align=center>\n");
    document.write("  <select id=\"dog_select\" name=\"dog_select\" onchange=\"change_dog_select()\">\n");
    document.write("    <option id=\"dog_select_0\" value=\"0\">Advantage 4pk Dog Green 1-10 Lbs</option>\n");
    document.write("    <option id=\"dog_select_1\" value=\"1\">Advantage 4pk Dog Teal 11-20 Lbs</option>\n");
    document.write("    <option id=\"dog_select_2\" value=\"2\">Advantage 4pk Dog Red 21-55 Lbs</option>\n");
    document.write("    <option id=\"dog_select_3\" value=\"3\">Advantage 4pk Dog Blue Over 55 Lbs</option>\n");
    document.write("    <option id=\"dog_select_4\" value=\"4\">Advantage 6pk Dog Green 1-10 Lbs</option>\n");
    document.write("    <option id=\"dog_select_5\" value=\"5\">Advantage 6pk Dog Teal 11-20 Lbs</option>\n");
    document.write("    <option id=\"dog_select_6\" value=\"6\">Advantage 6pk Dog Red 21-55 Lbs</option>\n");
    document.write("    <option id=\"dog_select_7\" value=\"7\">Advantage 6pk Dog Blue Over 55 Lbs</option>\n");
    document.write("    <option id=\"dog_select_8\" value=\"8\">Advantage 12pk Dog Green 1-10 Lbs</option>\n");
    document.write("    <option id=\"dog_select_9\" value=\"9\">Advantage 12pk Dog Teal 11-20 Lbs</option>\n");
    document.write("    <option id=\"dog_select_10\" value=\"10\">Advantage 12pk Dog Red 21-55 Lbs</option>\n");
    document.write("    <option id=\"dog_select_11\" value=\"11\">Advantage 12pk Dog Blue Over 55 Lbs</option>\n");
    document.write("  </select>\n");
    document.write("</p>\n");

    document.getElementById("dog_select_" + dog_ad).selected="selected";
    document.write("<p align=center><a id=\"dog_ad_url\" href=\"" + dog_ad_url + "\" target=\"new\">" + dog_ad_price + "</a><\p>\n");
  }