function writeWeather()
{
document.write('');
document.write('| Hà Nội | ');
document.write('13°C-17°C | ');
document.write('
');
document.write('');
document.write('| Huế | ');
document.write('16°C-19°C | ');
document.write('
');
document.write('');
document.write('| Tp.HCM | ');
document.write('23°C-33°C | ');
document.write('
');
document.write('');
document.write('| Đà Nẵng | ');
document.write('19°C-22°C | ');
document.write('
');
}