function CalculateOrder(form)
	{
	
	if (form.os0.value == "NO" )
	 {
	 form.shipping.value = form.ship.value*1;
	 }
	
	
	if (form.os0.value == "YES" )
	 {
	 form.shipping.value = form.ship.value*1 + 15.00;
	 }	 
	}