function carMark2(url,brand_id,car_mark_field){
    $("#car_mark").html("loading...");
    $.get(url+"/cars.php",  { brand: brand_id },function(data) {
    try // Build Markers, if available
    {
        var car_marks = data.getElementsByTagName("car_mark") ;
        var car_select='<select name="mark" class="cust_search_big" id="mark">';
        car_select+='<option value="">Select Model</option>';
        for ( var i = 0; i < car_marks.length ; i++ ) {
            car_select+='<option value="'+ car_marks[i].getAttribute("id") +'">' + car_marks[i].getAttribute("name") + '</option>';
            }
            car_select+='</select>';
            $("#car_mark").html(car_select);
    } catch(e) {}
});
    
}