var aoAutomobileYears = {

        handleSuccess:function(o)
        {
            this.processResult(o);
        },

        handleFailure:function(o)
        {
            emptySelect( document.getElementById( 'modifications' ) );
        },

        processResult:function(o)
        {
            response = o.responseText.parseJSON();
            createSelect( document.getElementById( 'year' ), response[0], response[1] );
        },

        startRequest:function( params, selected )
        {
            loading = new Array( 'Loading...' );
            createSelect( document.getElementById( 'year' ), loading, '' );
            YAHOO.util.Connect.asyncRequest('POST', '/ajax/ajax.php', aoAutomobileYearsCallback, "action=getAutomobileYears&params=" + params.toJSONString() + '&selected=' + selected );
        }

    };

    var aoAutomobileYearsCallback =
    {
        success:aoAutomobileYears.handleSuccess,
        failure:aoAutomobileYears.handleFailure,
        scope: aoAutomobileYears
    };