var xmlHttp
var xmlHttp1;


function UpdateWeather()
{	
	var url="GenerateWeatherXML.asp"
	xmlHttp=GetXmlHttpObject(stateChanged)
	xmlHttp.open("GET", url , true)
	xmlHttp.send(null)	
} 

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

function GetXmlHttpObject(handler)
	{ 
		var objXmlHttp=null

		/*if (navigator.userAgent.indexOf("Opera")>=0)
		{
			alert("This example doesn't work in Opera") 
			return 
		}*/
		if (navigator.userAgent.indexOf("MSIE")>=0)
		{ 
			var strName="Msxml2.XMLHTTP"
			if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
			{
				strName="Microsoft.XMLHTTP"
			} 
			try
			{ 
				objXmlHttp=new ActiveXObject(strName)
				objXmlHttp.onreadystatechange=handler 
				return objXmlHttp
			} 
			catch(e)
			{ 
				alert("Error. Scripting for ActiveX might be disabled") 
				return 
			} 
		} 
	/*if (navigator.userAgent.indexOf("Mozilla")>=0)*/
		else
		{
			objXmlHttp=new XMLHttpRequest()
			objXmlHttp.onload=handler
			objXmlHttp.onerror=handler 
			return objXmlHttp
		}
}