var coup1="Viitalsc9511010";
var coup2="Viitalsc9511025";
var coup3="Bonniesfriend5274";
var coup4="Viitalsclub";
var coup5="Viitalsc153";
var coup6="Viitalsc9311010";
var coup7="Viitalsc9311025";

function CalculateOrder(form) {

 if (form.text1.value == coup1)
 {
 form.discount_rate.value = "10";
 form.discount_rate2.value = "10";
 form.on1.value = "Coupon";
 form.os1.value = "Viitalsc9511010 - Discount 10%";
 }
  if (form.text1.value == coup2)
 {
 form.discount_rate.value = "25";
 form.discount_rate2.value = "25";
 form.on1.value = "Coupon";
 form.os1.value = "Viitalsc9511025 - Discount 25%";
 }
  if (form.text1.value == coup3)
 {
 form.discount_rate.value = "10";
 form.discount_rate2.value = "10";
 form.on1.value = "Coupon";
 form.os1.value = "Bonniesfriend5274 - Discount 10%";
 }
if (form.text1.value == coup4)
 {
 form.discount_rate.value = "10";
 form.discount_rate2.value = "10";
 form.on1.value = "Coupon";
 form.os1.value = "Viitalsclub - Discount 10%";
 }
if (form.text1.value == coup5)
 {
 form.discount_rate.value = "10";
 form.discount_rate2.value = "10";
 form.on1.value = "Coupon";
 form.os1.value = "Viitalsc153 - Discount 10%";
 }
if (form.text1.value == coup6)
 {
 form.discount_rate.value = "10";
 form.discount_rate2.value = "10";
 form.on1.value = "Coupon";
 form.os1.value = "Viitalsc9311010 - Discount 10%";
 }
if (form.text1.value == coup7)
 {
 form.discount_rate.value = "25";
 form.discount_rate2.value = "25";
 form.on1.value = "Coupon";
 form.os1.value = "Viitalsc9311025 - Discount 25%";
 }
}