function GetStateCounty(state, county, county_name, rid, rstl, res)
    {
        var req     = new JsHttpRequest();
        req.caching = false;       
        if (!state || 0 == state || "" == state)
        {
            $(res).innerHTML = '<select id="'+rid+'"'+rstl+'><option value="0">- County -</option></select>';
            return true;
        }
        
        req.onreadystatechange = function() 
        {
            if (req.readyState == 4) 
            {
                if (req.responseJS)
                {
                    $(res).innerHTML = '<select id="'+rid+'"'+rstl+'><option value="0">- County -</option>'+req.responseJS.v3+'</select>';;                
                }
            }
        }
        req.open(null, '/ajax.php', true);
        req.send({mod   : "get_state_county", state : state, county: county, county_name: county_name});    
    }