var xmlHttp = GetXmlHttpObject();

if (xmlHttp==null)
{
	document.getElementById("weather").innerHTML="Uw browser ondersteunt geen AJAX!";
} 

var url="includes/scripts/weather.php";

xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);

function stateChanged() 
{ 
	if (xmlHttp.readyState==4)
	{ 
		document.getElementById("weather").innerHTML=xmlHttp.responseText;
	}
}

function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
  	{
  		// Firefox, Opera 8.0+, Safari
  		xmlHttp=new XMLHttpRequest();
  	}
	catch (e)
  	{
  	// Internet Explorer
  		try
    	{
    		xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    	}
  		catch (e)
    	{
    		xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    	}
  	}
	return xmlHttp;
}