/**
 *	Aggiunge un elemento al carrello, verificandone la quantita' scelta,
 *	ed aggiorna la visualizzazione del carrello
 */
function addToCart(product_id)
{
	product_quantity = $('pquantity_'+product_id).value;
	
	var url = SITE_URL+"ajax/cart_add.php";
	
	new Ajax(url, {
		data: 'product_id='+ product_id +'&product_quantity='+product_quantity,
		method: 'post',
		evalResponse: true,
		onComplete: function (t) {
			if(r[0] == '1') {
				$('s_cart').style.display = 'block';
				var html_prod = '<li><table><tr>'
					+'<td rowspan="2" style="width: 25%; text-align: center">'
					+'<img style="text-align: left;" '
					+'src="'+ SITE_URL +'thumb/phpthumb.php?src=../images/products/'+ r[3] +'&w=40&h=40&q=100#" />'
					+'</td><td colspan="2" style="width: 75%;">'+ r[4] +'</td>'
					+'</tr><tr><td style="width: 30%">'
					+ r[2] +'x<br />&euro; '+ r[5]
					+'</td><td style="width: 75%; text-align: right;">'
					+'<strong>&euro; '+ r[6] +'</strong>'
					+'</td></tr></table></li>\n\n';
				$('s_cart_products').innerHTML += html_prod;
				$('s_cart_total').innerHTML = r[7];
				$('s_cart_complete').style.display = 'block';
			} else {
				alert(r[0]);
			}
		}

	}).request();
	
}

/* Dichiarazione di funzioni MooTools */
window.addEvent('domready', function() {	// Window Domready

if($('update_the_cart'))
$('update_the_cart').addEvent('click', function() {
	$('cart_details').submit();
});

/* Effettua l'acquisto */
if($('buy_now'))
$('buy_now').addEvent('click', function() {
		
	var invoice = 0;
	if($('bill').checked == false && $('invoice').checked == false) {
		alert("E' necessario scegliere il tipo di ricevuta (scontrino o fattura).")
		return false;
	} else {
/* 	if($('bill').checked) alert('bill'); */
		if($('invoice').checked) invoice = 1;
		
		location.href = SITE_URL + 'buy.php/'+ $('payment_method').value +','+invoice;
	
	}
});


});