function criaObjecto()
{
	var obj; 
	var browser = navigator.appName; 
	
	if(browser == "Microsoft Internet Explorer")
	{
		obj = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else
	{
		obj = new XMLHttpRequest();
	}
	
	return obj;
}

function getServerData(area, items, lang)
{
	var request = criaObjecto();

	request.onreadystatechange = function(){returnedData(request, area)};
	
	request.open('POST', '/php-bin/weather/weather.php', true);
	request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=ISO8859-1');
	request.send('area=' + area + '&items=' + items + '&lang=' + lang);		
}

function returnedData(request, area)
{
	// Loading
	if(request.readyState == 1)
	{
		// Show Wait
	}
		
	// Done
	if(request.readyState == 4)
	{ 		
		if(request.status == 200)
		{
			if(request.responseText!="null")
			{
				document.getElementById("wArea"+area).innerHTML = request.responseText;
			}
		}
	}
}