function writeWeather()
{
document.write('');
document.write('| Danang | ');
document.write('19°C-22°C | ');
document.write('
');
document.write('');
document.write('| Hanoi | ');
document.write('13°C-17°C | ');
document.write('
');
document.write('');
document.write('| HCMC | ');
document.write('23°C-33°C | ');
document.write('
');
document.write('');
document.write('| Hue | ');
document.write('16°C-19°C | ');
document.write('
');
}