if(!ajaxObj){
	var ajaxObj = new XMLHTTP("/include/ajax/mybic_server.php");
	ajaxObj.stopRequest=0;
}

function loadReturnTrip(rtrip_id,trip_start_date){
	/****** 
	 * use ajax to add or delete return trip associations
	*******/
	
	return_id = rtrip_id;
	discount=0;
	trip_id=1;
	ajaxObj.call("action=loadTrip_helper&id="+encodeURIComponent(rtrip_id)+"&trip_start_date="+encodeURIComponent(trip_start_date), loadReturnTrip_callBack);
//  ajaxObj.call("action=loadTrip_helper&cmd="+encodeURIComponent(action)+"&trip_id="+encodeURIComponent(trip_id)+"&return_id="+encodeURIComponent(return_id)+"&discount="+encodeURIComponent(discount), loadReturnTrip_callBack);
  //ajaxObj.call("action=updateReturnTrips_helper&cmd="+encodeURIComponent(action)+"&trip_id="+encodeURIComponent(trip_id)+"&return_id="+encodeURIComponent(return_id)+"&discount="+encodeURIComponent(discount), loadReturnTrip_callBack);

}

var rtripID = -1;

function loadReturnTrip_callBack(resp)
{
	rtripID = resp['tripID'];
	reset_returnCalendar();
	return_divCalendar.addDisabledDates('2007-01-01', null);
	
	if(document.getElementById('ravailabilitynote')) {
		document.getElementById('ravailabilitynote').innerHTML='Shaded months indicate availability:';
	}
	
	if(document.getElementById('ravailability')) {
		document.getElementById('ravailability').innerHTML=resp['availability'];
	}

	if (resp['enabledDates'].length>= 1)
		rfirstDate = resp['enabledDates'][0];
	else
		document.getElementById('return_trip_date').value = 'No available dates';
	for (eday in resp['enabledDates']) {
		return_divCalendar.addEnabledDates(resp['enabledDates'][eday]);
	}
	for (fday in resp['fullDates']) {
		return_divCalendar.addFullDates(resp['enabledDates'][fday]);
	}
	document.getElementById('div_trip_name').innerHTML = resp['trip_name'];
	document.getElementById('return_trip_id').value = resp['tripid'];
	show_return_dates();
}