function setShipping() {
	ar = new Array;
	var s = document.cart.ship.options[document.cart.ship.selectedIndex].value;
	index = document.cart.ship.selectedIndex;
        var subtotal = document.cart.subtotal.value;
	shipping = s ;
        shipcost = "";
	document.cart.shipping.value = "$" + shipping;
	total = Number(shipping) + Number(subtotal);
	st = total.toString();
	ar = st.split(".");
if (ar.length == 1){
    decimal = "00";
}
if (ar.length == 2) {
    decimal = ar[1].slice(0,2);
    if (decimal.length == 1)
        dcimal = decimal + "0";
}
        integer = ar[0];
        //decimal = ar[1].slice(0,2);
	len = integer.length;
	if ( len > 3) {
		shipcost = integer.slice(0,len-3) + "," + integer.slice(len-3,len) + "." + decimal;
	} else {
                shipcost = integer + "." + decimal;
        }
	document.cart.total.value = "$" + shipcost;
	if (index == 0) {
		document.cart.total.value = "";
		document.cart.shipping.value = "";
	}
}

var quantityChanged = false;

function quantPlus_1(index) {
	var name = "q" + index;
	var initial = 'ini' + index;
	window.setInterval("var n = document.cart.elements[name].value;if (n>=0) n++;document.cart.elements[name].value = n;if (n != document.cart.elements[initial].value)quantityChanged = true;", 500,index);
}

function quantPlus(index) { 
	var name =  "q" + index;
	//var initial = 'ini' + index;
	var n = document.cart.elements[name].value;
	if (n>=0) n++;
	document.cart.elements[name].value = n;
	//if (n != document.cart.elements[initial].value)
	//	quantityChanged = true;
}

function quantMinus(index) {
	var name =  "q" + index;
	//var initial = 'ini' + index;
	var n = document.cart.elements[name].value;
	if (n>=1) n--;
	document.cart.elements[name].value = n;
	//if (n != document.cart.elements[initial].value)
	//	quantityChanged = true;
}

function validate() {
	if (quantityChanged) {
		alert ("Please click on Update Cart button before going to check-out.");
		quatityChanged = false;
		return false;
	}
}