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) {}
	};
}