function loadDoc(link, id) {
var req;
if (window.XMLHttpRequest) {
req = new XMLHttpRequest();
} else if (window.ActiveXObject) {

req = new ActiveXObject("Microsoft.XMLHTTP");
}
if (req) {
req.onreadystatechange = function () {

if (req.readyState == 4) {

if (req.status == 200) {

var response = req.responseText;
document.getElementById(id).innerHTML = response;

} else {
  alert('Невозможно загрузить: ' + req.statusText);
}
}
}
link = link + '&random=' + Math.random();
req.open("GET", link, true);
req.send(null);
}
}