function buy(id) {
        // AJAX-request to order
        edition = 0;
        if ($('editionArt'+id)) {
            edition = $('editionArt'+id).value;
        }

        new Ajax.Request('/index.php?p=shop&do=addArticle&id='+id+'&edition='+edition, {
           method: 'get',
           onSuccess: function(transport) {
/*var newdiv = document.createElement("div");
newdiv.innerHTML = transport.responseText;
var container = document.getElementById("cart_Content");
container.appendChild(newdiv);*/
                $('cart_Content').innerHTML = transport.responseText;
                new Effect.Highlight('cart_Content');
           }
        });
    }