// JavaScript Document

 var url = "scripts/ajax_username.php?param="; 

function handleHttpResponse()

{ if (http.readyState == 4) {


results = http.responseText.split(",");


document.getElementById('blogname').value = results[0];

}
}
function updateBlogState() {

var host1Value = document.getElementById("screen_name").value;

http.open("GET", url + escape(host1Value), true);

http.onreadystatechange = handleHttpResponse;

http.send(null);


 }
function getHTTPObject() {

  var xmlhttp;

 if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {

    try {

      xmlhttp = new XMLHttpRequest();

    } catch (e) {

      xmlhttp = false;

    }

  }

  return xmlhttp;

}

var http = getHTTPObject();