function updateProduct(selected){
    var options; 
    var products = new Array();
    var locations = new Array();
    
    //Equine
    products[1] = new Array ("Legend® Injection",
                                "Marquis™ (15% w/w ponazuril) Antiprotozoal Oral Paste",
                                "Rompun® 20 mg/mL Injectable",
                                "Rompun® 100 mg/mL Injectable",
                                "Peroxigard™");
    //Companion                            
    products[2] = new Array ("Advantage® 9 Flea Adulticide",
                                "Advantage® 10 Flea Adulticide",
                                "Advantage® 18 Flea Adulticide",
                                "Advantage® 20 Flea Adulticide",
                                "Advantage® 55 Flea Adulticide",
                                "Advantage® 100 Flea Adulticide",
                                "Advantage multi® 9",
                                "Advantage multi® 10",
                                "Advantage multi® 18",
                                "Advantage multi® 20",
                                "Advantage multi® 55",
                                "Advantage multi® 100",
                                "Droncit® Cestocide Tablets (50 mg)",
                                "Droncit® Injectable Cestocide",
                                "Drontal®",
                                "Drontal® Plus (Medium and Large Dogs)",
                                "Drontal® Plus (Small Dogs)",
                                "K9 Advantix® 10 Flea and Tick Adulticide",
                                "K9 Advantix® 20 Flea and Tick Adulticide",
                                "K9 Advantix® 55 Flea and Tick Adulticide",
                                "K9 Advantix® 100 Flea and Tick Adulticide",
                                "Profender® Topical Parasiticide for Large Cats",
                                "Profender® Topical Parasiticide for Medium Cats",
                                "Profender® Topical Parasiticide for Small Cats",
                                "Peroxigard™");
    //Livestock                            
    products[3] = new Array ("Baycox®",
								"Baytril® 100",
                                "Baytril® Injectable Solution",
                                "Baytril® Otic",
                                "Baytril® Tablets (15 mg)",
                                "Baytril® Tablets (50 mg)",
                                "Baytril® Tablets (150 mg)",
                                "CheckMite+ Beehive Pest Control Strip",
                                "CyLence® Pour-On Insecticide",
                                "Tempo® 20 WP Insecticide",
                                "Peroxigard™");


    //Equine                            
    locations[1] = new Array ("http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223019",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223034",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223025",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223024",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223029");
                               
    //Companion                            
    locations[2] = new Array ("http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223005",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223000",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223002",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223003",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223004",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223001",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223036",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223038",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223037",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223039",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223040",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223041",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223011",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223012",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223013",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223014",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223015",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223035",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223042",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223043",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223044",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223045",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223046",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223047",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223029");

    //Livestock                                                                       id=1223049&u=country&p=msds&prodnum=1223027
    locations[3] = new Array ("http://bayerhealthcan.naccvp.com/?u=country&p=msds&m=product_view_basic&id=1223049",
								"http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223033",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223006",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223031",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223007",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223009",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223008",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223048",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223010",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223027",
                                "http://bayerhealthcan.naccvp.com/view.php?u=country&p=msds&prodnum=1223029");

    productSelected = products[selected];                                
    locationSelected = locations[selected];                                
  
    document.getElementById('select-product').length = 0;
  
    for (var i=0, len=productSelected.length; i<len; ++i){
        document.getElementById('select-product').options[i] = new Option(productSelected[i],locationSelected[i]);
    }
         
    //document.getElementById('select-product').innerHTML = options;
    
    //document.getElementById('select-species').selectedIndex = selected; 
    
  }                              

  function selectProduct(selected){
    window.open(selected);
  }
  
  function goProduct(){
    var url = document.getElementById('select-product').value;
    window.open(url);
  }  
  
  function loadRandomBackground(){
    var image;
    var randomNum = Math.floor(Math.random()*3) + 1;
    
    switch(randomNum) {
        case 1:
            image = "equine";
            break;
        case 2:
            image = "livestock";
            break;
        case 3:
            image = "catdog";
            break;
        default:
            image = "catdog";
            break;
    }
    
    document.getElementById('content-wrapper').style.background = "url(assets/images/bg-"+ image +".jpg) no-repeat scroll 100% 85% #FFFFFF";    
  }