function sendRequest(url,callback,postData){var req=createXMLHTTPObject();if(!req)return;var method=(postData)?"POST":"GET";req.open(method,url,true);req.setRequestHeader('User-Agent','XMLHTTP/1.0');if(postData)
req.setRequestHeader('Content-type','application/x-www-form-urlencoded');req.onreadystatechange=function(){if(req.readyState!=4)return;if(req.status!=200&&req.status!=304){return;}
callback(req);}
if(req.readyState==4)return;req.send(postData);}
var XMLHttpFactories=[function(){return new XMLHttpRequest()},function(){return new ActiveXObject("Msxml2.XMLHTTP")},function(){return new ActiveXObject("Msxml3.XMLHTTP")},function(){return new ActiveXObject("Microsoft.XMLHTTP")}];function createXMLHTTPObject(){var xmlhttp=false;for(var i=0;i<XMLHttpFactories.length;i++){try{xmlhttp=XMLHttpFactories[i]();}
catch(e){continue;}
break;}
return xmlhttp;}