var xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function() {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200)
s = xmlHttp.responseText;
}
xmlHttp.open("GET", u, true);
xmlHttp.send(null);
var xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function() {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200)
s = xmlHttp.responseText;
}
xmlHttp.open("GET", u, true);
xmlHttp.send(null);