function CalculateOrder(form)

{
if (form.item_name.value == "2 copies"){
 form.amount.value = 13.95
 form.shipping.value = 5.00
 form.item_number.value= "105a"

}
if (form.item_name.value == "3 copies"){
 form.amount.value = 20.85
form.shipping.value = 6.00
form.item_number.value= "105a"
}
if (form.item_name.value == "4 copies"){
 form.amount.value = 27.80
form.shipping.value = 7.00
form.item_number.value= "105a"
}
if (form.item_name.value == "5 copies"){
 form.amount.value = 27.90
 form.shipping.value = 8.00
 form.item_number.value= "105b"
}

if (form.item_name.value == "6 copies"){
 form.amount.value = 33.48
form.shipping.value = 9.00
form.item_number.value= "105b"
}
if (form.item_name.value == "7 copies"){
 form.amount.value = 39.06
form.shipping.value = 10.00
form.item_number.value= "105b"
}
if (form.item_name.value == "8 copies"){
 form.amount.value = 44.64
 form.shipping.value = 11.00
 form.item_number.value= "105b"
}
if (form.item_name.value == "9 copies"){
 form.amount.value = 50.22
form.shipping.value = 12.00
form.item_number.value= "105b"
}
if (form.item_name.value == "10 copies"){
 form.amount.value = 41.90
form.shipping.value = 13.00
form.item_number.value="105c"
}
if (form.item_name.value == "11 copies"){
 form.amount.value = 46.09
 form.shipping.value = 14.00
 form.item_number.value="105c"
}
if (form.item_name.value == "12 copies"){
 form.amount.value = 50.28
form.shipping.value = 15.00
form.item_number.value="105c"
}
if (form.item_name.value == "13 copies"){
 form.amount.value = 54.47
form.shipping.value = 16.00
form.item_number.value="105c"
}
if (form.item_name.value == "14 copies"){
 form.amount.value = 58.66
 form.shipping.value = 17.00
 form.item_number.value="105c"
}
if (form.item_name.value == "15 copies"){
 form.amount.value = 62.85
form.shipping.value = 18.00
form.item_number.value="105c"
}
if (form.item_name.value == "16 copies"){
 form.amount.value = 67.04
form.shipping.value = 19.00
form.item_number.value="105c"
}
if (form.item_name.value == "17 copies"){
 form.amount.value = 71.23
 form.shipping.value = 20.00
 form.item_number.value="105c"
}
if (form.item_name.value == "18 copies"){
 form.amount.value = 75.42
form.shipping.value = 21.00
form.item_number.value="105c"
}
if (form.item_name.value == "19 copies"){
 form.amount.value = 79.61
form.shipping.value = 22.00
form.item_number.value="105c"
}
if (form.item_name.value == "20 copies"){







 form.amount.value = 83.80







 form.shipping.value = 23.00







 form.item_number.value="105c"







}







if (form.item_name.value == "21 copies"){







 form.amount.value = 87.99







form.shipping.value = 24.00







form.item_number.value="105c"







}







if (form.item_name.value == "22 copies"){







 form.amount.value = 92.18







form.shipping.value = 25.00







form.item_number.value="105c"







}







if (form.item_name.value == "23 copies"){







 form.amount.value = 96.37







 form.shipping.value = 26.00







 form.item_number.value="105c"







}







if (form.item_name.value == "24 copies"){







 form.amount.value = 100.56







form.shipping.value = 27.00







form.item_number.value="105c"







}







if (form.item_name.value == "25 copies"){







 form.amount.value = 104.75







form.shipping.value = 28.00







form.item_number.value="105c"







}







if (form.item_name.value == "26 copies"){







 form.amount.value = 108.94







form.shipping.value = 29.00







form.item_number.value="105c"







}







if (form.item_name.value == "27 copies"){







 form.amount.value = 113.13







 form.shipping.value = 30.00







 form.item_number.value="105c"







}







if (form.item_name.value == "28 copies"){







 form.amount.value = 117.32







form.shipping.value = 31.00







form.item_number.value="105c"







}







if (form.item_name.value == "29 copies"){







 form.amount.value = 121.51







form.shipping.value = 32.00







form.item_number.value="105c"







}







if (form.item_name.value == "1 case"){







 form.amount.value = 60.80







form.shipping.value = 23.00







form.item_number.value="105"







}
if (form.item_name.value == "2 cases"){
 form.amount.value = 120.00
form.shipping.value = 46.00
form.item_number.value="105"
}
if (form.item_name.value == "3 cases"){
 form.amount.value = 180.00
form.shipping.value = 79.00
form.item_number.value="105"
}
if (form.item_name.value == "4 cases"){
 form.amount.value = 240.00
form.shipping.value = 102.00
form.item_number.value="105"
}
if (form.item_name.value == "5 cases"){
 form.amount.value = 300.00
form.shipping.value = 125.00
form.item_number.value="105"
}
}