function ShowWeather()
{
	function AddCityWeather(City, Degree)
	{
		document.writeln('<tr bgcolor="#F5F5F5"><td class=BoxItem>&nbsp;', City , '</font></td><td class=BoxItem align=right>', Degree, '&nbsp;&#176;&nbsp;</td></tr>');
	}

	if (typeof(vHanoi)!='undefined'     && typeof(dHanoi)    !='undefined') AddCityWeather(vHanoi, dHanoi);
	if (typeof(vHaiPhong)!='undefined'       && typeof(dHaiPhong)      !='undefined') AddCityWeather(vHaiPhong, dHaiPhong);
	if (typeof(vDaNang)!='undefined'    && typeof(dDaNang)   !='undefined') AddCityWeather(vDaNang, dDaNang);
	if (typeof(vHoChiMinh)!='undefined' && typeof(dHoChiMinh)!='undefined') AddCityWeather(vHoChiMinh, dHoChiMinh);
}
ShowWeather();