I want to change the send data method in the code from GET TO POST

Hello Everybody

I have ajax code send data by GET method to php page

I want to change the send data method in the code from GET TO POST

THE CODE

[code]
function Add_Site(){
var site_name = document.getElementById(‘site_name’).value;
var site_desc = document.getElementById(‘site_desc’).value;
var site_url = document.getElementById(‘site_url’).value;

if (site_name == “” || site_desc == “” || site_url == “”) {
document.getElementById(‘show_result’).innerHTML = “fields is empty”;
}
else {
Http.onreadystatechange = function(){
if (Http.readyState == 4) {
document.getElementById(‘show_result’).innerHTML = “”;
document.getElementById(‘show_result’).innerHTML = Http.responseText;
}
else {
document.getElementById(‘show_result’).innerHTML = “”;
document.getElementById(‘show_result’).innerHTML = “Loading”;
}
}

rand = Math.random() * 999999999;
url = “addSite.php?site_name=” + site_name + “&site_desc=” + site_desc + “&site_url=” + site_url + “&rand=” + rand;
Http.open(“GET”, url, true);
Http.send(null);
}
}
[/code]

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