function check_user(name, pass)
{
	pass = hex_md5(pass);
	var result = loadData(getPath("login/login"), '[{"login-name":"' + name + '", "login-password":"' + pass + '"}]');
	if (result.data != "Login successful") 
		return false;
	else
        return true;
}
function logout()
{
	var result = loadData(getPath("login/logout"), "");
	document.location = getPath("default", true);
}