function StatusChanged()
{
	if(xmlHttp.readyState==4)
	{
		if(xmlHttp.responseText.length > 0)
			document.getElementById("loginBar").innerHTML = xmlHttp.responseText;
	}
}

function LoginDone()
{
	if(xmlHttp.readyState==4)
	{
		if(xmlHttp.responseText == "ok")
			window.location.assign("/User/Home");
		else
			document.getElementById("error_area").innerHTML = xmlHttp.responseText;
	}
}

function LogoutDone()
{
	if(xmlHttp.readyState==4)
	{
		if(xmlHttp.responseText == "ok")
			window.location.assign("/");
	}
}

function Logout()
{
	xmlhttpRequest("/User/AjaxLogout", "", LogoutDone);
}

function Login()
{
	var params;
	params = "username="+document.getElementById("ajusername").value+"&password="+document.getElementById("ajpassword").value;
	xmlhttpRequest("/User/AjaxLogin", params, LoginDone);
}