function createXHR() {
var request = false;
try {
request = new ActiveXObject('Msxml2.XMLHTTP');
}
catch (err2) {
try {
request = new ActiveXObject('Microsoft.XMLHTTP');
}
catch (err3) {
try {
request = new XMLHttpRequest();
}
catch (err1) {
request = false;
}
}
}
return request;
}
function write(url, data, fun) {
var xhr = createXHR();
xhr.onreadystatechange=function() {
if(xhr.readyState == 4) {
if(fun != null)
fun();
}
};
xhr.open("POST", url, true);
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.send(data);
}