function getCurrentWeather(aircode) {
		if ($('div_weather_loader').style.display=='block') return; 
		if ($('div_weather_forecast').style.display=='none') {
			hideCurrentWeather();
		} else {
			$('div_weather_forecast').style.display = 'none';					
			$('div_weather_loader').style.display = 'block';		
			JsHttpRequest.query('/ajax', { 'm':'city->getCurrentCityWeather','aircode':aircode },
				function(result, errors) {
					if (result['ret'] != 'error'){
						$('div_current_weather').innerHTML = result['ret'];
						$('div_current_weather').style.display = 'block';
						$('div_weather_loader').style.display = 'none';
					} else alert('error!');
				},true
			);
		}
		return false;
	}
	function hideCurrentWeather(){
		$('div_current_weather').style.display = 'none';
		$('div_weather_forecast').style.display = 'block';
		return false;
	}