$("#os0").change(function () {
  checkPrice()
});
var discountNow = false;

function checkPrice() {
  var a = $("#os0 option:selected").text();
  var b = $("#os0 option:selected").val();
  if (b == "life") {
    if (trplus) {
      $('input[name="item_number"]').val("U2");
      $('input[name="amount"]').val("21.00");
      $("#stripeScript").empty();
      $("#stripeScript").append('<script src="https://checkout.stripe.com/checkout.js" class="stripe-button" data-key="' + pubKey + '" data-amount="2100" data-name="Tecrider.com" data-description="Lifetime Upgrade (21.00$)" data-label="Credit Card" data-image="https://tecrider.com/images/tecriderlogo.gif" data-email="' + userMail + '" data-locale="auto" data-zip-code="false"><\/script>');
      $('input[name="amt"]').val("2100");
      $("#amt").val("2100");
    $("#strdesc").val("Lifetime Upgrade (21.00$)");
      $("#item_number").val("U2");
    ppPrice = '21.00';
    ppDesc = "Lifetime Upgrade (21.00$)";    
    } else {
      if (trpro) {
        $('input[name="item_number"]').val("U2");
        $('input[name="amount"]').val("12.00");
        $("#stripeScript").empty();
        $("#stripeScript").append('<script src="https://checkout.stripe.com/checkout.js" class="stripe-button" data-key="' + pubKey + '" data-amount="1200" data-name="Tecrider.com" data-description="Lifetime Upgrade (12.00$)" data-label="Credit Card" data-image="https://tecrider.com/images/tecriderlogo.gif" data-email="' + userMail + '" data-locale="auto" data-zip-code="false"><\/script>');
        $('input[name="amt"]').val("1200");
       $("#amt").val("1200");
      $("#strdesc").val("Lifetime Upgrade (12.00$)");
        $("#item_number").val("U2");
            ppPrice = '12.00';
    ppDesc = "Lifetime Upgrade (12.00$)";   
      } else {
        $('input[name="item_number"]').val("P2");
        if (!discountNow) {
          $('input[name="amount"]').val("24.99")
        } else {
          $('input[name="amount"]').val("21.24")
        }
        $('input[name="item_name"]').val(a);
        $("#stripeScript").empty();
        $("#stripeScript").append('<script src="https://checkout.stripe.com/checkout.js" class="stripe-button" data-key="' + pubKey + '" data-amount="2499" data-name="Tecrider.com" data-description="Lifetime (24.99$)" data-label="Credit Card" data-image="https://tecrider.com/images/tecriderlogo.gif" data-email="' + userMail + '" data-locale="auto" data-zip-code="false"><\/script>');
        $('input[name="amt"]').val("2499");
        $("#amt").val("2499");
          $("#strdesc").val("Lifetime (24.99$)");
        $("#item_number").val("P2");
    ppPrice = '24.99';
    ppDesc = "Lifetime (24.99$)";  
      }
    }
  } else {
    if (b == "12") {
      if (trplus) {
        $('input[name="item_number"]').val("U1");
        $('input[name="amount"]').val("9.00");
        $("#stripeScript").empty();
        $("#stripeScript").append('<script src="https://checkout.stripe.com/checkout.js" class="stripe-button" data-key="' + pubKey + '" data-amount="900" data-name="Tecrider.com" data-description="Pro Upgrade (9.00$)" data-label="Credit Card" data-image="https://tecrider.com/images/tecriderlogo.gif" data-email="' + userMail + '" data-locale="auto" data-zip-code="false"><\/script>');
        $('input[name="amt"]').val("900");
        $("#amt").val("900");

          $("#strdesc").val("Pro Upgrade (9.00$)");
        $("#item_number").val("U1");
        
    ppPrice = '9.00';
    ppDesc = "Pro Upgrade (9.00$)";    
      } else {
        $('input[name="item_number"]').val("P1");
        if (!discountNow) {
          $('input[name="amount"]').val("12.99")
        } else {
          $('input[name="amount"]').val("11.04")
        }
        $("#stripeScript").empty();
        $("#stripeScript").append('<script src="https://checkout.stripe.com/checkout.js" class="stripe-button" data-key="' + pubKey + '" data-amount="1299" data-name="Tecrider.com" data-description="Pro (1 Year,12.99$)" data-label="Credit Card" data-image="https://tecrider.com/images/tecriderlogo.gif" data-email="' + userMail + '" data-locale="auto" data-zip-code="false"><\/script>');
        $('input[name="amt"]').val("1299");
        $("#amt").val("1299");

          $("#strdesc").val("Pro (1 Year,12.99$)");
        $("#item_number").val("P1");
            
    ppPrice = '12.99';
    ppDesc = "Pro (1 Year,12.99$)";   
      }
      $('input[name="item_name"]').val(a)
    } else {
      if (b == "30") {
        $('input[name="item_number"]').val("P0");
        $('input[name="amount"]').val("3.99");
        $('input[name="item_name"]').val(a);
        $("#stripeScript").empty();
        $("#stripeScript").append('<script src="https://checkout.stripe.com/checkout.js" class="stripe-button" data-key="' + pubKey + '" data-amount="399" data-name="Tecrider.com" data-description="Plus (30 days, 3.99$)" data-label="Credit Card" data-image="https://tecrider.com/images/tecriderlogo.gif" data-email="' + userMail + '" data-locale="auto" data-zip-code="false"><\/script>');
        $('input[name="amt"]').val("399");
        $("#amt").val("399");
        $("#strdesc").val("Plus (30 days, 3.99$)");
        $("#item_number").val("P0");
           ppPrice = '3.99';
          ppDesc = "Plus (30 days, 3.99$)"; 
      }
    }
  }
}
$("#checkCode").click(function () {
  $("#codeOutput").removeClass("codeSuccess");
  $("#codeOutput").removeClass("codeFail");
  $("#codeOutput").css("display", "none");
  var a = $("#discountCode").val();
  a = a.trim();
  if (a == "4b44ae27a" || a == "95d853e7a" || a == "48dd04fa4" || a == "98dd01aff3" || a == "15OFFNOW") {
    $("#codeOutput").addClass("codeSuccess");
    $("#codeOutput").html("15% off for PRO & ULTIMATE!");
    $("#discountLabel, #checkCode, #discountCode").css("display", "none");
    discountNow = true;
    $('#os0  option:contains("ULTRA (Lifetime, 24.99$)")').text("ULTRA (Lifetime, 21.24$)");
    $('#os0  option:contains("PRO (1 year, 12.99$)")').text("PRO (1 year, 11.04$)");
    $('#os0  option:contains("TEMPEST")').text("Oldest");
    checkPrice()
  } else {
    $("#codeOutput").addClass("codeFail");
    $("#codeOutput").html("Code not found.")
  }
});