function startCallback(productid, min_quantity, avail) {
    $('.ajax_progress').css("display", "block");
}
function freeStartCallback() {
    $('.ajax_progress').css("display", "block");
}
function productStartCallback() {
    $('.ajax_progress').css("display", "block");
}
function completeStartCallback(productid,response) {
    $('.ajax_progress').css("display", "none");
    $('.ajax_confirm').css("display", "block");
}
function completeProductStartCallback(response) {
    $('.ajax_progress').css("display", "none");
    $('.ajax_confirm').css("display", "block");
}
function hideCart()
{
    $('.ajax_confirm').css("display", "none");
}