function CalculateOrder(form)
{
 
if(form.os0.value == "S" )
 {
 form.amount.value = '5.00';
 form.shipping.value = "1.75";
 form.shipping2.value = "1.00";
 }
else if(form.os0.value == "M" )
 {
 form.amount.value = '14.95';
 form.shipping.value = "4.50";
 form.shipping2.value = "2.50";
 }
else if(form.os0.value == "L" )
 {
 form.amount.value = '34.95';
 form.shipping.value = "7.00";
 form.shipping2.value = "3.00";
 }
else if(form.os0.value == "S4" )
 {
 form.amount.value = '12.00';
 form.shipping.value = "5.00";
 form.shipping2.value = "3.50";
 }


}