function verifyKey() {
  if(document.discountClickForm.discountKey.value!="") {

    radObj = document.discountClickForm.rad;
    len = radObj.length;
    radVal = "";
    for (i=0;i<len;i++) {
      if (radObj[i].checked) {
        radVal = radObj[i].value;
      }
    }

    if (radVal=="") {
      alert("Please select a flavor");
    } else {

      var codeKeys = new Array();
      for(i=0;i<pk.length;i++) {
        codeKeys[i] = pk[i];
      }
      sw = 0;
      lock = SHA1(document.discountClickForm.discountKey.value.toLowerCase());
      for(i=0;i<pk.length;i++) {
        if(codeKeys[i] == lock) {
          document.discountClickForm.quantity.value = pvq[i];
          document.discountClickForm.item_name.value = pvi[i]+" - "+radVal;
          document.discountClickForm.amount.value = pva[i];
          document.discountClickForm.discount_amount.value = pvd[i];
          document.discountClickForm.discount_amount2.value = pvd2[i];
          document.discountClickForm.discount_num.value = pvdn[i];
          document.discountClickForm.shipping.value = pvs[i];
          document.discountClickForm.shipping2.value = pvs2[i];
          document.discountClickForm.submit();
          sw = 1;
        }
      }
      if(sw == 0) { alert("Your discount code was incorrect. Please check your code and try again."); }
    }
  } else {
    alert("Your discount code was incorrect. Please check your code and try again.");
  }
}

  function promoSw() {
    document.getElementById("promo-img").style.display = "none";
    document.getElementById("keyContainer").style.display = "block";
    document.getElementById("discountKey").focus();    
  }