//*********************************************************************
//* Copyright 2005, 4D Internet Solutions. All rights reserved. 
//* Description: Toggle the quantity box on check box input. Used when 
//*		adding options to a base item. The user selects an option 
//*		and the quatity gets set to 1. This is used with "Multiple Add
//*		To Cart. See mystore-solutions template (mss-multi-order-form)
//*	@param: index - ordinal of control in list.
//*	@return: na
//*********************************************************************

var currentTotal = -1;

function quantityChecker(index) {
	var form = document.getElementById("multiorderfrom");

	if (currentTotal < 0) {
		currentTotal = parseInt(form.elements["vwamount0"].value);
 	}
	
	var cb = form.elements["vwcheck" + index];
	var tb = form.elements["vwquantity" + index];
	var amount = form.elements["vwamount" + index].value;

	if (cb.checked) {
		tb.value = "1";
		currentTotal += parseInt(amount);
	} else {
		tb.value = "0";
		currentTotal -= parseInt(amount);
	}

	var obj = document.getElementById("currenttotal");
	obj.innerHTML = currentTotal + ".00";
}