// JavaScript Document


//*************************************************************
// Author : Cairns Web Design - wwww.cairnswebdesign.com.au
//*************************************************************


function startCalc(){
  interval = setInterval("calc()",1);
}


//*************************************************************
// Function Calc ()
//
// Calculates the Total based on the quantity selected including
// postage.
//
//*************************************************************

function calc(){
    UnitPrice = 12.50;
	
    Price = UnitPrice;
    Total = 0;
    Quantity = (document.CalculateForm.Qty1.value * 1) + (document.CalculateForm.Qty2.value * 1);
	Postage = document.CalculateForm.Postage.value;
	
	Total = (Quantity * Price) + (Postage * 1);
	
    Total = Total.toFixed(2);
    document.CalculateForm.Total.value = Total;
}
 



function stopCalc(){
  clearInterval(interval);
}


//*************************************************************
// Function SetPayPalFields ()
//
// Sets the values for PayPal.
//
//*************************************************************

function SetPayPalFields() {

	PriceOne = 12.50;
		
	Price = PriceOne;	

    Quantity = (document.CalculateForm.Qty1.value * 1) + (document.CalculateForm.Qty2.value * 1);
	Postage = document.CalculateForm.Postage.value 
	
	
	// Add the individual quantity fields into the item_name variable to pass through to PayPal
	// eliminating the need to use a shopping cart for items that are basically the same
	
	 document.PayPalForm.item_name.value = "Moon Gardening Calendar - " + "[ " +  document.CalculateForm.Qty1.value + " x Design #1 " + " ----- " + document.CalculateForm.Qty2.value + " x Design #2 " + "]";
		
	document.PayPalForm.amount.value = Price;
	document.PayPalForm.quantity.value = Quantity; //document.CalculateForm.Qty.value;
	document.PayPalForm.shipping.value = document.CalculateForm.Postage.value;
}