var showingLoggedIn = false;
var messageElement = false;
var messageP = false;

// focusField method: called when username and password gain focus
function focusField()
{
	try {
		if (messageElement != false)
		{
			document.getElementById('message').removeChild(messageElement);
		}
		getSeed();
	}
	catch (e)
	{ } // do nothing... hides an apparent firefox bug: https://bugzilla.mozilla.org/show_bug.cgi?id=236791
}

// blurField method: called when username and password are blurred
function blurField()
{
	try {
		validateLogin();
	}
	catch (e)
	{ } // hide bug https://bugzilla.mozilla.org/show_bug.cgi?id=236791
}

// showLogin method: displays if necessariy that we are logged in
function showLogin() {
	if (messageElement != false)
	{
		try {
			document.getElementById('message').removeChild(messageElement);
		}
		catch (e) { }
	}
	if (loggedIn)
	{
		showingLoggedIn = true;
		
		messageElement = document.createElement('strong');
		messageElement.appendChild(document.createTextNode(' ' + messages));
		//messageElement.style.color = '#00ff00';
		document.getElementById('message').appendChild(messageElement);
				
		document.getElementById('username').disabled = 'disabled';
		document.getElementById('password').disabled = 'disabled';
		Effect.SlideUp('login') //, {pulses: 4})
		document.getElementById('rmsg').style.display = 'block';
		setTimeout( 'window.location.replace( "/login.asp?action=login&ret_page='+document.getElementById('ret_page').value+'" )', 2800 ); 
	}
	else
	{
		messageElement = document.createElement('strong');
		messageElement.appendChild(document.createTextNode(' ' + messages));
		//messageElement.style.color = '#ff0000';
		document.getElementById('message').appendChild(messageElement);
	}
}

// logout method: prepares for a new login
function logout()
{
	resetLogin();
	username = document.getElementById('username');
	password = document.getElementById('password');
	loginPanel = document.getElementById('login');
	username.value = '';
	password.value = '';
	username.disabled = null;
	password.disabled = null;
	
	loginPanel.removeChild(messageElement);
	loginPanel.appendChild(messageP);
	
	messageElement = false;
	showingLoggedIn = false;
	
	username.focus();
}

// setupLogin method: to be called on page load, sets up the login script
function setupLogin()
{
	username = document.getElementById('username');
	password = document.getElementById('password');
	//addEvent(username, 'focus', focusField);
	//addEvent(username, 'blur', blurField);
	//addEvent(password, 'focus', focusField);
	//addEvent(password, 'blur', blurField);
}


// function to add events to the page in a cross-browser manner
function addEvent(objObject, strEventName, fnHandler) { 
	// DOM-compliant way to add an event listener 
 	if (objObject.addEventListener) {
		objObject.addEventListener(strEventName, fnHandler, false); 
	}
	// IE/windows way to add an event listener 
	else if (objObject.attachEvent) {
		objObject.attachEvent('on' + strEventName, fnHandler); 
	}
}

addEvent(window,'load',setupLogin);