function addToCart(itemId)
{
    showBlackWall();

    $('#blackWall').bind('click', function () {
        hideBlackWall();
        $('#shoppingCartAjax').remove();
    });

    $.ajax({
        type: 'POST',
        url: '/ajax.php',
        data: 'action=addToShoppingCart&isProject=1&id=' + itemId,
        success: function (strHtml) {
            $('body').append(strHtml);
            setElementPosition('shoppingCartAjax', 'center');
            $('#shoppingCartAjax').fadeIn();
            $('#addToShoppingCartButton').bind('click', function () {
                var quantity = parseInt($('#itemQuantity').val());
                if (quantity > 0) {
                    $.getJSON('/ajax.php?action=addToShoppingCartSave&isProject=1&goodId=' + itemId + '&quantity=' + quantity, function (JSONData) {
                        if (JSONData.status == 'OK') {
                            redirect('/index.php?display=shopping_cart');
                        } else {
                            alert('not ok');
                        }
                    });
                }
            });
        }
    });
}

function deleteItem(itemId)
{
    showBlackWall();

    $('#blackWall').bind('click', function () {
        hideBlackWall();
        hideMessage();
    });

    $.ajax({
        type: 'POST',
        url: '/ajax.php',
        //data: 'action=showMessage&isProject=1&type=' + 1,
        data: 'action=showMessage&type=' + 1,
        success: function (strHtml) {
            $('body').append(strHtml);
            setElementPosition('alertMessage', 'center');
            $('#alertMessage').fadeIn();

            $('#noButton').bind('click', function () {
                hideBlackWall();
                hideMessage();
            });

            $('#yesButton').bind('click', function () {
                $.getJSON('/ajax.php?action=deleteFromShoppingCart&isProject=1&id=' + itemId, function (JSONData) {
                    if (JSONData.status == 'OK') {
                        redirect('/index.php?display=shopping_cart');
                    } else {
                        alert('not ok');
                    }
                });
            });
        }
    });
}