var metric = new Array()
var english = new Array()
metric['currentTemp'] = '-11°C'
metric['currentHumid'] = '50%'
metric['dewpoint'] = '-19°C' 
metric['currentPress'] = '1025.2 millibars<br>and falling rapidly' 
metric['currentPrecip'] = '0 mm/10 minutes'
metric['currentSpeed'] = '1.7 m/s'
metric['currentDir'] = 'WNW (282&deg; azimuth)'
metric['recordHigh'] = '7&deg;C in 2017' 
metric['recordLow'] = '-21&deg;C in 2005' 
metric['recordGust'] = '6 m/s in 2003' 
metric['todayHigh'] = '-11&deg;C' 
metric['todayLow'] = '-16&deg;C' 
metric['todayPrecip'] = '0 mm' 
metric['todaySpeed'] = '1 m/s' 
metric['todayGust'] = '3 m/s' 
metric['yesterdayHigh'] = '-8&deg;C' 
metric['yesterdayLow'] = '-16&deg;C' 
metric['yesterdayPrecip'] = '0 mm' 
metric['yesterdaySpeed'] = '2 m/s' 
metric['yesterdayGust'] = '4 m/s' 
metric['yearHigh'] = '10&deg;C' 
metric['yearLow'] = '-18&deg;C' 
metric['yearPrecip'] = '3.44 mm'

english['currentTemp'] = '13&deg;F' 
english['currentHumid'] = metric['currentHumid']
english['dewpoint'] = '-2&deg;F' 
english['currentPress'] = '30.27 inches Hg<br>and falling rapidly'
english['currentPrecip'] = '0 inches/10 minutes' 
english['currentSpeed'] = '3.8 miles/hr' 
english['currentDir'] = metric['currentDir']
english['recordHigh'] = '44&deg;F in 2017' 
english['recordLow'] = '-6&deg;F in 2005' 
english['recordGust'] = '13 miles/hr in 2003' 
english['todayHigh'] = '13&deg;F' 
english['todayLow'] = '2&deg;F' 
english['todayPrecip'] = '0 inches' 
english['todaySpeed'] = '3 miles/hr' 
english['todayGust'] = '6 miles/hr' 
english['yesterdayHigh'] = '18&deg;F' 
english['yesterdayLow'] = '4&deg;F' 
english['yesterdayPrecip'] = '0 inches' 
english['yesterdaySpeed'] = '6 miles/hr' 
english['yesterdayGust'] = '9 miles/hr' 
english['yearHigh'] = '50&deg;F' 
english['yearLow'] = '-1&deg;F' 
english['yearPrecip'] = '0.14 inches'
function updateVals(chosenUnits)
{
	var cookieUnits = docCookies.getItem('chosenUnits');

	if (cookieUnits)
	{
		if (!chosenUnits)	// page reloaded, so undefined
		{
			chosenUnits = cookieUnits;
			document.getElementById('english').checked = false;
			document.getElementById('metric').checked = false;
			document.getElementById(chosenUnits).checked = true;
		}
		else if (chosenUnits != cookieUnits)	// user changing setting
			docCookies.setItem('chosenUnits', chosenUnits, Infinity);
	}
	else	// no previous cookie set
	{
		if (!chosenUnits)	// page reloaded, so undefined; use default
			chosenUnits = 'english';
		// else user changing setting
		docCookies.setItem('chosenUnits', chosenUnits, Infinity);
	}
		
	var values = new Array('currentTemp', 'currentHumid', 'dewpoint', 'currentPress', 'currentPrecip',
			'currentSpeed', 'currentDir', 'recordHigh', 'recordLow', 'recordGust',
			'todayHigh', 'todayLow', 'todayPrecip', 'todaySpeed', 'todayGust',
			'yesterdayHigh', 'yesterdayLow', 'yesterdayPrecip', 
			'yesterdaySpeed', 'yesterdayGust', 'yearHigh', 'yearLow', 'yearPrecip');
	for (var i = 0; i < values.length; i++) {
		var toChange = document.getElementById(values[i]);
		toChange.innerHTML = chosenUnits == 'english' ? english[values[i]] : metric[values[i]];
	}
}