function SEL_TRAINCOMPANY_CD(linecompany, sline, station) {
    new Ajax.Request('/JSONGetTrainLineList.next?linecompanycd=' + linecompany.value ,{
        onComplete: function(transport) {
            var data = eval(transport.responseJSON);
            sline.options.length = 0;
            sline.options[0] = new Option('路線を選択', '');
            station.options.length = 0;
            station.options[0] = new Option('駅を選択', '');
            var rowset = data.trainlinelist;
            for (var i = 0; rowset.length; i++) {
                sline.options[i + 1] = new Option(rowset[i].LINENM, rowset[i].LINECD);
            }
        }
    });
}


function SEL_TRAINLINE_CD(line, station) {
    new Ajax.Request('/JSONGetTrainLineStationList.next?linecd=' + line.value ,{
        onComplete: function(transport) {
            var data = eval(transport.responseJSON);
            station.options.length = 0;
            station.options[0] = new Option('駅を選択', '');
            var rowset = data.trainlinestationlist;
            for (var i = 0; rowset.length; i++) {
                station.options[i + 1] = new Option(rowset[i].STATIONNM, rowset[i].STATIONCD);
            }
        }
    });
}