// If quantity is greater than or equal to 20 apply 40% discount

// If quantity is greater than or equal to 10 apply 30% discount




function CalculateOrder(form)
{

 

if (form.quantity.value >= 20)
  {
   form.discount_rate.value = "40";
   form.discount_rate2.value = "40";
   form.os0.value = form.discount_rate.value;
   }
else if (form.quantity.value >= 10)
  {
  form.discount_rate.value = "30";
  form.discount_rate2.value = "30";
  form.os0.value = form.discount_rate.value;
  }
else
  {
  form.discount_rate.value = "0";
  form.discount_rate2.value = "0";
  form.os0.value = form.discount_rate.value;
  }

 

}


/* 

<form action="https://www.paypal.com/cgi-bin/webscr" method="post" target = _blank>
<input type="hidden" name="cmd" value="_xclick">
<input type="hidden" name="business" value="samantha@faithfamilychurchinc.com">
<input type="hidden" name="item_number" value="T001">
<input type="hidden" name="item_name" value = "BOOK NAME HERE">
<input type="hidden" name="amount" value = "15.00">
Enter Quantity: <input type="text" name="quantity" value ="" size = "3">
<input type="hidden" name="discount_rate" value = "">
<input type="hidden" name="discount_rate2" value = "">
<input type="hidden" name="on0" value = "Discount Percentage">
<input type="hidden" name="os0" value = ""><br />
<input type="image" src="https://www.paypal.com/en_US/i/btn/btn_cart_LG.gif" border="0" alt="PayPal - The safer, easier way to pay online!" onclick=CalculateOrder(this.form) name="submit" value = "The Book $15.00>>">
</form>



*/