/* -- admin nuke stuff should be moved -- */
var root = "../";
var handleLoginSuccess = function(o)
{
  if (o.responseText !== undefined)
  {
    var result = eval("obj ="+o.responseText);
    processLoginResult(result);
  }
}

var handleLoginFailure = function(o)
{
  var result = o.status + " " + o.statusText;
  processLoginResult(result, true);
}

var processLoginResult = function(data, failed)
{
  if (failed)
  {
    hide_login_form();
  }
  else
  {
    if (data.error !== undefined)
    {
      alert("Can't login");
      return;
    }

    //loginSuccess();
    hide_login_form();
    alert("Welcome " + data.username + "!");
	document.location = "index.php";
  }
}

var login_callback = 
{
  success : handleLoginSuccess,
  failure : handleLoginFailure
}

function hide_login_form ()
{ 
  var login_form = document.getElementById('login_div');
  login_form.style.display = "none";
}

function show_login_form ()
{
  var login_form = document.getElementById('login_div');
  login_form.style.display = "block";
}

function do_login()
{
  var login_status = document.getElementById('login_status');
  login_status.innerHTML = "Login you in ...";

  var login_form = document.getElementById('login_form');

  var username = login_form.username.value;
  var password = login_form.password.value;

  var postdata = "username="+escape(username)+
                  "&password="+escape(password)+
                  "&format=json";

  
  YAHOO.util.Connect.asyncRequest("POST", root + "control/login.php", login_callback, postdata );  

  return false;
}

function do_logout()
{
	var logout_success = function()
	{
		document.location = "index.php";
	}

	var logout_failure = function()
	{
		alert("Unable to log you out!");
	}

	var logout_callback = 
	{
		success : logout_success,
		failure : logout_failure
	}

	YAHOO.util.Connect.asyncRequest("POST", root  + "control/logout.php", logout_callback, null);
}