// JavaScript Document

function get_friends_results(lang)
{
    var friend = document.getElementById('friend').value;
    if (friend.length < 1) return;
    var url = "/ajax/find_friends.php?friend="+friend+"&lang="+lang;
    document.getElementById('find_friends_results_title').style.display = "block";
    document.getElementById('find_friends_results').innerHTML = '<div class="loader"><img src="/img/ajax-loader.gif" alt="ajax loader" /></div>';
    sendRequest_get_friends_results(url);
}

function stateChanged_get_friends_results()
{ 
  if (xmlHttp.readyState==4)
  { 
    document.getElementById('find_friends_results').innerHTML=xmlHttp.responseText;
  }
}

// Helper function to perform request; synchronous to keep it simple for now
function sendRequest_get_friends_results(url)
{
    xmlHttp = createXMLHttpRequest();

    if (xmlHttp)
    {
        xmlHttp.onreadystatechange=stateChanged_get_friends_results;
        xmlHttp.open("GET", url, true);
        xmlHttp.send("");

    }
}