var dog_ad = 0;
  
  var dog_ad_image_srcs = new Array();
  dog_ad_image_srcs[0] = "http://www.1800petmeds.com/images/products/large/10357_160.jpg";
  dog_ad_image_srcs[1] = "http://www.1800petmeds.com/images/products/large/10358_160.jpg";
  dog_ad_image_srcs[2] = "http://www.1800petmeds.com/images/products/large/10359_160.jpg";
  dog_ad_image_srcs[3] = "http://www.1800petmeds.com/images/products/large/10360_160.jpg";
  dog_ad_image_srcs[4] = "http://www.1800petmeds.com/images/products/large/10457_160.jpg";
  dog_ad_image_srcs[5] = "http://www.1800petmeds.com/images/products/large/10458_160.jpg";
  dog_ad_image_srcs[6] = "http://www.1800petmeds.com/images/products/large/10459_160.jpg";
  dog_ad_image_srcs[7] = "http://www.1800petmeds.com/images/products/large/10460_160.jpg";
  dog_ad_image_srcs[8] = "http://www.1800petmeds.com/images/products/large/104572_160.jpg";
  dog_ad_image_srcs[9] = "http://www.1800petmeds.com/images/products/large/104582_160.jpg";
  dog_ad_image_srcs[10] = "http://www.1800petmeds.com/images/products/large/104592_160.jpg";
  dog_ad_image_srcs[11] = "http://www.1800petmeds.com/images/products/large/104602_160.jpg";
  
  var dog_ad_urls = new Array();
  dog_ad_urls[0] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10357&type=2&subid=0";
  dog_ad_urls[1] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10358&type=2&subid=0";
  dog_ad_urls[2] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10359&type=2&subid=0";
  dog_ad_urls[3] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10360&type=2&subid=0";
  dog_ad_urls[4] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10457&type=2&subid=0";
  dog_ad_urls[5] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10458&type=2&subid=0";
  dog_ad_urls[6] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10459&type=2&subid=0";
  dog_ad_urls[7] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.10460&type=2&subid=0";
  dog_ad_urls[8] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.104572&type=2&subid=0";
  dog_ad_urls[9] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.104582&type=2&subid=0";
  dog_ad_urls[10] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.104592&type=2&subid=0";
  dog_ad_urls[11] = "http://click.linksynergy.com/fs-bin/click?id=kcowBcROGIM&offerid=56753.104602&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=56753.10357&type=2&subid=0";
  dog_ad_tracking_srcs[1] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10358&type=2&subid=0";
  dog_ad_tracking_srcs[2] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10359&type=2&subid=0";
  dog_ad_tracking_srcs[3] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10360&type=2&subid=0";
  dog_ad_tracking_srcs[4] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10457&type=2&subid=0";
  dog_ad_tracking_srcs[5] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10458&type=2&subid=0";
  dog_ad_tracking_srcs[6] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10459&type=2&subid=0";
  dog_ad_tracking_srcs[7] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.10460&type=2&subid=0";
  dog_ad_tracking_srcs[8] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.104572&type=2&subid=0";
  dog_ad_tracking_srcs[9] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.104582&type=2&subid=0";
  dog_ad_tracking_srcs[10] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.104592&type=2&subid=0";
  dog_ad_tracking_srcs[11] = "http://ad.linksynergy.com/fs-bin/show?id=kcowBcROGIM&bids=56753.104602&type=2&subid=0";
  
  var dog_ad_prices = new Array();
  dog_ad_prices[0] = "$44.99";
  dog_ad_prices[1] = "$45.99";
  dog_ad_prices[2] = "$49.99";
  dog_ad_prices[3] = "$50.99";
  dog_ad_prices[4] = "$81.99";
  dog_ad_prices[5] = "$84.99";
  dog_ad_prices[6] = "$89.99";
  dog_ad_prices[7] = "$91.99";
  dog_ad_prices[8] = "$158.98";
  dog_ad_prices[9] = "$164.98";
  dog_ad_prices[10] = "$174.98";
  dog_ad_prices[11] = "$178.98";

  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 = "Frontline Plus Provides Your Dog With The Most Complete Spot-on Flea And Tick Protection Available. In Addition To Killing 98-100% Of Adult Fleas On Your Dog Within 24 Hours, Frontline Plus Contains A Special Ingredient That Kills Flea Eggs And Larvae, Too, And Keeps All Stages Of Fleas From Developing. By Effectively Stopping The Development Of New Fleas, Frontline Plus Completely Breaks The Flea Life Cycle. And, Frontline Plus Kills All Stages Of 4 Major Ticks Including Those That May Transmit Lyme Disease And Rocky Mountain Spotted Fever. It's Completely Waterproof. Kills chewing lice. For Use In Puppies 8 Weeks And Older And Over 11 Lbs. 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\">Frontline Plus 3pk For Small Dogs up to 22 Lbs</option>\n");
    document.write("    <option id=\"dog_select_1\" value=\"1\">Frontline Plus 3pk Medium 23-44 Lbs</option>\n");
    document.write("    <option id=\"dog_select_2\" value=\"2\">Frontline Plus 3pk Large 45-88 Lbs</option>\n");
    document.write("    <option id=\"dog_select_3\" value=\"3\">Frontline Plus 3pk X-large 89+ Lbs</option>\n");
    document.write("    <option id=\"dog_select_4\" value=\"4\">Frontline Plus 6pk For Small Dogs up to 22 Lbs</option>\n");
    document.write("    <option id=\"dog_select_5\" value=\"5\">Frontline Plus 6pk Medium 23-44 Lbs</option>\n");
    document.write("    <option id=\"dog_select_6\" value=\"6\">Frontline Plus 6pk Large 45-88 Lbs</option>\n");
    document.write("    <option id=\"dog_select_7\" value=\"7\">Frontline Plus 6pk X-large 89+ Lbs</option>\n");
    document.write("    <option id=\"dog_select_8\" value=\"8\">Frontline Plus 12pk For Small Dogs up to 22 Lbs</option>\n");
    document.write("    <option id=\"dog_select_9\" value=\"9\">Frontline Plus 12pk Medium 23-44 Lbs</option>\n");
    document.write("    <option id=\"dog_select_10\" value=\"10\">Frontline Plus 12pk Large 45-88 Lbs</option>\n");
    document.write("    <option id=\"dog_select_11\" value=\"11\">Frontline Plus 12pk X-large 89+ 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");
  }