function update_dropdowns(el) {

    //alert(webroot + '/winery/update_dropdowns2/' + el.id + '/' + encodeURIComponent(el.value));
    new Ajax.Request(webroot + '/winery/update_dropdowns/' + el.id + '/' + encodeURIComponent(el.value), {

        method: 'get',
        onComplete: function (transport) {

            var json = transport.responseText.evalJSON();

            if (json.regions) {
                $('regionSelect').innerHTML = json.regions;
            }

            if (json.cities) {
                $('citySelect').innerHTML = json.cities;
            }

            if (json.wineries) {
                $('winerySelect').innerHTML = json.wineries;
            }
        }
    });
}


function changeDesc(x) {
    document.getElementById("iconExp").innerHTML = x;
}