return new XMLHttpRequest();else if(window.ActiveXObject)
return new ActiveXObject("MsXml2.XmlHttp");},complete:function(req,callback,url){if(req.status==200||req.status==304){callback(req.responseText);}else{alert(url+' request error: '+req.statusText+' ('+req.status+')');}},get:function(url,callback,args,async){if(async===null)async=true;var req=wn.xmlhttp.request();req.onreadystatechange=function(){if(req.readyState==4){wn.xmlhttp.complete(req,callback,url)}}
var sep=(args.indexOf('?')==-1?'?':'&');var u=args?(url+sep+args):url;req.open('GET',u,async);req.send(null);if(!async){wn.xmlhttp.complete(req,callback,url)}}}
var sep=((args&&args.indexOf('?'))==-1)?'?':'&';var u=args?(url+sep+args):url;req.open('GET',u,async);req.send(null);if(!async){wn.xmlhttp.complete(req,callback,url)}}}