/**
 * @copyright Amasty 2010
 */

function amProcessDropdown(dropdownId, dropdownValue)
{
    if (dropdownValue.indexOf('http') >= 0 || dropdownId == 3) {
        document.location.href = dropdownValue;
        return;
    }

    var parameters = {};
    parameters.categoryId = parseInt(dropdownValue);
    parameters.dropdownId = dropdownId;

    new Ajax.Request('/amdropdowns/ajax/getcats' + '?ajax=1', {
        method: 'POST',
        parameters: parameters,
        onCreate: function() {
            for (var i = dropdownId + 1; i <= 3; i++) {
                $('amdropdowns_dd_' + i).disabled = "disabled";
            }
        },
        onComplete: function(transport) {
            var response = transport.responseText.evalJSON();

            for (dropdownId in response) {
                var elementId = 'amdropdowns_' + dropdownId;
                $(elementId).innerHTML = response[dropdownId];
            }
        }
    });

}