//designed by Lee-Ann McQuilken 2008 for Quincy Choral Society

function CalculateOrder(form)
{

if (document.myform.os0.value == "1")
 {
 document.myform.amount.value = 15.00;
 document.myform.item_name.value = "Concert tickets";
 }
 
if (document.myform.os0.value == "2")
 {
 document.myform.amount.value = 30.00;
 document.myform.item_name.value = "Concert tickets";
 }

if (document.myform.os0.value == "3")
 {
 document.myform.amount.value = 45.00;
 document.myform.item_name.value = "Concert tickets";
 }

if (document.myform.os0.value == "4")
 {
 document.myform.amount.value = 60.00;
 document.myform.item_name.value = "Concert tickets";
 }
    
if (document.myform.os0.value == "5")
 {
 document.myform.amount.value = 75.00;
 document.myform.item_name.value = "Concert tickets";
 }
    
if (document.myform.os0.value == "6")
 {
 document.myform.amount.value = 90.00;
 document.myform.item_name.value = "Concert tickets";
 }
    
if (document.myform.os0.value == "7")
 {
 document.myform.amount.value = 105.00;
 document.myform.item_name.value = "Concert tickets";
 }
    
if (document.myform.os0.value == "8")
 {
 document.myform.amount.value = 120.00;
 document.myform.item_name.value = "Concert tickets";
 }

if (document.myform.os0.value == "9")
 {
 document.myform.amount.value = 135.00;
 document.myform.item_name.value = "Concert tickets";
 }

if (document.myform.os0.value == "10")
 {
 document.myform.amount.value = 150.00;
 document.myform.item_name.value = "Concert tickets";
 }
    
}