function calcbasket(add_to_basket_count, product_ID) {
    $('bsumm').style.display = 'none';
    $('ddiscount').style.display = 'none';
    $('drecount').style.display = 'block';
    new Ajax.Request('/calcbasket.html', {
        method : 'get',
        parameters : {
            count: add_to_basket_count,
            productid: product_ID
        },
        onSuccess : function(transport) {
            var result = transport.responseText;
            if (result.isJSON()) {
                a = result.evalJSON();
                $('drecount').style.display = 'none';
                if (a[0]!=='') {
                    $('bsumm').innerHTML = a[0] + ' грн.';
                    $('bsumm').style.display = 'block';
                    if (a[1] !== '') {
                        $('sdiscount').innerHTML = a[2];
                        $('ssumm').innerHTML = a[1] + ' грн.';
                        $('ddiscount').style.display = 'block';
                    }
                }
            }

        },
        onFailure : function() {
            alert('Something went wrong...')
        }
    });
}