var al_status;
var al_loginForm, al_registerForm, al_lostPasswordForm;
var al_loginMessage, al_registerMessage, al_lostPasswordMessage;
var al_sack = new sack();

var al_otheronload = window.onload;
window.onload = al_init;
function al_init() {

	if (al_otheronload) al_otheronload();

	al_status = 0;

	al_loginForm = document.getElementById("al_loginForm");
	al_registerForm = document.getElementById("al_registerForm");
	al_lostPasswordForm = document.getElementById("al_lostPasswordForm");

	al_loginMessage = document.getElementById("al_loginMessage");
	al_registerMessage = document.getElementById("al_registerMessage");
	al_lostPasswordMessage = document.getElementById("al_lostPasswordMessage");
}


function al_showLogin() {

	if (document.getElementById("al_login"))
		document.getElementById("al_login").style.display = "none";
	if (document.getElementById("al_register"))
		document.getElementById("al_register").style.display = "none";
	if (document.getElementById("al_lostPassword"))
		document.getElementById("al_lostPassword").style.display = "none";  

	if (0 != al_timeout) {
		document.getElementById("al_loading").style.display = "block";
		setTimeout('al_showLogin2();', al_timeout);
	} else {
		al_showLogin2();
	}
}

function al_showLogin2() {

	document.getElementById("al_loading").style.display = "none";
	document.getElementById("al_login").style.display = "block";
	al_loginForm.log.focus();

}

function al_showRegister() {

	if (document.getElementById("al_login"))
		document.getElementById("al_login").style.display = "none";
	if (document.getElementById("al_register"))
		document.getElementById("al_register").style.display = "none";
	if (document.getElementById("al_lostPassword"))
		document.getElementById("al_lostPassword").style.display = "none"; 

	if (0 != al_timeout) {
		document.getElementById("al_loading").style.display = "block";
		setTimeout('al_showRegister2();', al_timeout);
	} else {
		al_showRegister2();
	}
}

function al_showRegister2() {

	document.getElementById("al_loading").style.display = "none";
	document.getElementById("al_register").style.display = "block";

	al_registerForm.user_login.focus();
}


function al_showLostPassword() {

	if (document.getElementById("al_login"))
		document.getElementById("al_login").style.display = "none";
	if (document.getElementById("al_register"))
		document.getElementById("al_register").style.display = "none";
	if (document.getElementById("al_lostPassword"))
		document.getElementById("al_lostPassword").style.display = "none";

	if (0 != al_timeout) {
		document.getElementById("al_loading").style.display = "block";
		setTimeout('al_showLostPassword2();', al_timeout);
	} else {
		al_showLostPassword2();
	}
}

function al_showLostPassword2() {

	if (document.getElementById("al_loading"))
		document.getElementById("al_loading").style.display = "none";
	if (document.getElementById("al_lostPassword"))
		document.getElementById("al_lostPassword").style.display = "block"; 

	al_lostPasswordForm.user_login.focus();
}


function al_login(elCustomForm) {

	//=========================================
	//   	Custom Form is possible here
	//	Enables parallel using of login forms
	//========================================= 
	if (elCustomForm)
		al_loginForm = elCustomForm;
    else  
	   al_loginForm = document.getElementById("al_loginForm"); // Reset the initial login form
	//=========================================
 
	if (0 != al_status) {
		return;
	}

	if (al_loginForm.log.value == '') {
		alert("Bitte geben Sie Ihren Benutzernamen ein.");
		al_loginForm.log.focus();
		return;
	}

	if (al_loginForm.pwd.value == '') {
		alert("Bitte geben Sie Ihr Passwort ein.");
		al_loginForm.pwd.focus();
		return;
	}

	al_sack.setVar("log", al_loginForm.log.value);
	al_sack.setVar("pwd", al_loginForm.pwd.value);
	al_sack.setVar("rememberme", al_loginForm.rememberme.value);

	al_sack.requestFile = al_base_uri + "/wp-content/mu-plugins/wienit-user-authentication/login.php";
	al_sack.method = "POST";
	al_sack.onError = al_ajaxError;
	al_sack.onCompletion = al_loginHandleResponse;
	al_sack.runAJAX();
	al_status = 1;

}

function al_loginHandleResponse() {

	al_status = 0;

	var responselines = al_sack.response.split("\n",2);
	if (responselines[0] == al_failure) {
		alert(responselines[1]);
		return;
	}
	if (responselines[0] == al_success) {
		
		if (al_redirectOnLogin == '')
			window.location.reload(true);
		else
			window.location.href = al_redirectOnLogin;
			
		return;
	}

	alert("Unknown login response.");

}

function al_register() {

	if (0 != al_status) {
		return;
	}

	if (al_registerForm.user_login.value == '') {
		alert("Bitte Benutzername eingeben.");
		al_registerForm.user_login.focus();
		return;
	}

	if (al_registerForm.user_email.value == '') {
		alert("Bitte E-Mail Adresse eingeben.");
		al_registerForm.user_email.focus();
		return;
	}

	al_sack.setVar("user_login", al_registerForm.user_login.value);
	al_sack.setVar("user_email", al_registerForm.user_email.value);

	al_sack.requestFile = al_base_uri + "/wp-content/mu-plugins/wienit-user-authentication/register.php";
	al_sack.method = "POST";
	al_sack.onError = al_ajaxError;
	al_sack.onCompletion = al_registerHandleResponse;
	al_sack.runAJAX();
	al_status = 1;

}

function al_registerHandleResponse() {

	al_status = 0;

	var responselines = al_sack.response.split("\n",2);
	if (responselines[0] == al_failure) {
		alert(responselines[1]);
		return;
	}
	if (responselines[0] == al_success) {
		alert("Registrierung erfolgreich abgeschlossen. Bitte überprüfen Sie Ihren Posteingang.");
		al_loginMessage.innerHTML = "Ihr Passwort wurde Ihnen per E-Mail zugesendet.<br/>";
		al_loginForm.log.value = al_registerForm.user_login.value;
		al_registerForm.user_login.value = "";
		al_registerForm.user_email.value = "";
		al_showLogin();
		al_loginForm.pwd.focus();
		return;
	}

	alert("Unknown registration response.");

}

function al_retrievePassword() {
	if (0 != al_status) {
		return;
	}

	if (al_lostPasswordForm.user_login.value == '') {
		alert("Bitte geben Sie Ihren Benutzernamen ein.");
		al_lostPasswordForm.user_login.focus();
		return;
	}

	if (al_lostPasswordForm.user_email.value == '') {
		alert("Bitte geben Sie Ihre E-Mail Adresse ein.");
		al_lostPasswordForm.user_email.focus();
		return;
	}

	al_sack.setVar("user_login", al_lostPasswordForm.user_login.value);
	al_sack.setVar("user_email", al_lostPasswordForm.user_email.value);

	al_sack.requestFile = al_base_uri + "/wp-content/mu-plugins/wienit-user-authentication/lostpassword.php"; 
	al_sack.method = "POST";
	al_sack.onError = al_ajaxError;
	al_sack.onCompletion = al_lostPasswordHandleResponse;
	al_sack.runAJAX();
	al_status = 1;
}

function al_lostPasswordHandleResponse() {

	al_status = 0;

	var responselines = al_sack.response.split("\n",2);
	if (responselines[0] == al_failure) {
		alert(responselines[1]);
		return;
	}
	if (responselines[0] == al_success) {
		alert("Bestätigungslink wurde an Ihre E-Mail Adresse gesendet.");
		al_loginMessage.innerHTML = "Sie finden den Bestätigungslink in Ihrem Posteingang.<br/>";
		al_loginForm.log.value = al_lostPasswordForm.user_login.value;
		al_lostPasswordForm.user_login.value = "";
		al_lostPasswordForm.user_email.value = "";
		al_showLogin();
		al_loginForm.pwd.focus();
		return;
	}

	alert("Passwortänderung konnte nicht durchgeführt werden.");

}

function al_ajaxError() {
	alert("We are sorry, there was an error while sending the request.\nPlease try again!\nIf error persists, please contact the webmaster.");
	
	alert(al_sack.responseStatus[0] + ':\n' + al_sack.response);
	al_sack = new sack();
}

function al_loginOnEnter(e, elCustomLogin) {

	if(window.event) // IE
		keynum = e.keyCode;
	else if(e.which) // Netscape/Firefox/Opera
		keynum = e.which;
	else
		keynum = 0;

	if (keynum==13)
		al_login(elCustomLogin);

}
function al_registerOnEnter(e) {

	if(window.event) // IE
		keynum = e.keyCode;
	else if(e.which) // Netscape/Firefox/Opera
		keynum = e.which;
	else
		keynum = 0;

	if (keynum==13)
		al_register();

}
function al_retrievePasswordOnEnter(e) {

	if(window.event) // IE
		keynum = e.keyCode;
	else if(e.which) // Netscape/Firefox/Opera
		keynum = e.which;
	else
		keynum = 0;

	if (keynum==13)
		al_retrievePassword();

} 

//----------------------------------------------------------------------------------
//
//				Input Actions
//
//	Diese Funktionen lassen Text wie z.b. "Schlüsselwort" bei der Suche verschwinden
// 	und beim Blur der Inputbox wieder erscheinen.
//----------------------------------------------------------------------------------			
function checkInput(element, def) {
	if (element.value.length == 0) 
		element.value = def;
}

function clearInput(element, def) { 
	if (element.value == def)
		element.value = "";
}