var LOGIN_FORM_VISIBLE = false;

function login_form_style(){
	if (LOGIN_FORM_VISIBLE)
	{
		$("#login-place").animate({ top: -36 },400);
		LOGIN_FORM_VISIBLE = false;
		return;
	}
	
	if (!LOGIN_FORM_VISIBLE)
	{		
		$("#login-place").animate({ top: 0 },400,function(){ setTimeout(checkActivity,5000) });
		LOGIN_FORM_VISIBLE = true;
		return;
	}
}

function checkActivity(){
	var login = document.getElementById('login').value;
	var pass =  document.getElementById('password').value
	if ( (login == "") && (pass == "")){
		login_form_style();
	}
}

function checkLoginForm(error)
{
	var login = document.getElementById('login').value;
	var pass =  document.getElementById('password').value
	if ( (login == "") && (pass == "")){
		alert(error);
		return false;
	}
	return true;
}