if (typeof(XMLHttpRequest) == "undefined")
{
	XMLHttpRequest = function()
	{
		try { return new ActiveXObject("Msxml2.XMLHTTP.6.0") } catch(e) {}
		try { return new ActiveXObject("Msxml2.XMLHTTP.3.0") } catch(e) {}
		try { return new ActiveXObject("Msxml2.XMLHTTP") } catch(e) {}
		try { return new ActiveXObject("Microsoft.XMLHTTP") } catch(e) {}
		throw new Error( "This browser does not support XMLHttpRequest." )
	};
}