function inc(frm, obj) {
if (isNaN(document.forms[frm].elements[obj].value)) document.forms[frm].elements[obj].value = 1;
else document.forms[frm].elements[obj].value++;
}
function dec(frm, obj) {
if (isNaN(document.forms[frm].elements[obj].value)) document.forms[frm].elements[obj].value = 0;
else if (document.forms[frm].elements[obj].value > 0) document.forms[frm].elements[obj].value--;
else document.forms[frm].elements[obj].value = 0;
}
function getCookie(name) {
var prefix = name + "="
var cookieStartIndex = document.cookie.indexOf(prefix)
if (cookieStartIndex == -1) return null
var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length)
if (cookieEndIndex == -1) cookieEndIndex = document.cookie.length
return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex))
}
function DisplayShoppingCart() {
var ItemsCount = getCookie('shopping_cart_items');
var TotalAmount = getCookie('shopping_cart_total');
if (ItemsCount > 0) {
document.write("You have " + ItemsCount + " item");
if (ItemsCount>1) document.write("s");
document.write(" in your shopping cart, ");
document.write(" total amount: $" + TotalAmount + " | ");
document.write(" View cart | ");
document.write(" Checkout |");
} else {
document.write(" Your shopping cart is empty ");
}
}