function GetXmlHttpObject(handler)
	{ 
		var objXmlHttp=null;

		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) || (navigator.userAgent.indexOf("Opera")>=0))
		{
			objXmlHttp=new XMLHttpRequest();
			objXmlHttp.onload=handler;
			objXmlHttp.onerror=handler; 
			return objXmlHttp;
		}
	}