// Authentication.js

var username;
var password;
var buttonLogin;  
var buttonLogout;
var remember;

function pageLoad()
{
	username = $get("UserName");
	password = $get("Password");
	buttonLogin = $get("LoginButton");
	remember = $get("RememberMe");
	update = $get("UpdatePanel1");
	//buttonLogout = $get("ButtonLogout"); 
}            

// This function sets and gets the default
// login completed callback function.
function SetDefaultLoginCompletedCallBack()
{
    // Set the default callback function.
    Sys.Services.AuthenticationService.set_defaultLoginCompletedCallback(OnLoginCompleted);
   
    // Get the default callback function.
    var callBack =     
        Sys.Services.AuthenticationService.get_defaultLoginCompletedCallback();
}

// This function sets and gets the default
// logout completed callback function.
function SetDefaultLogoutCompletedCallBack()
{
    // Set the default callback function.
    Sys.Services.AuthenticationService.set_defaultLogoutCompletedCallback(OnLogoutCompleted);
   
    // Get the default callback function.
    var callBack =     
        Sys.Services.AuthenticationService.get_defaultLogoutCompletedCallback();
}

// This function sets and gets the default
// failed callback function.
function SetDefaultFailedCallBack()
{
    // Set the default callback function.
    Sys.Services.AuthenticationService.set_defaultFailedCallback(OnFailed);
   
    // Get the default callback function.
    var callBack =     
        Sys.Services.AuthenticationService.get_defaultFailedCallback();
}

// This function calls the login method of the
// authentication service to verify 
// the credentials entered by the user.
// If the credentials are authenticated, the
// authentication service issues a forms 
// authentication cookie. 
function OnClickLogin() 
{   
    // Set the default callback functions.
    SetDefaultLoginCompletedCallBack();
    SetDefaultLogoutCompletedCallBack();
    SetDefaultFailedCallBack();
   
    // Call the authetication service to authenticate
    // the credentials entered by the user.
    Sys.Services.AuthenticationService.login(username.value, 
        password.value, remember.checked,null,null,null,null,"User Context");
}

// This function calls the logout method of the
// authentication service to clear the forms 
// authentication cookie.
function OnClickLogout() 
{  
   // Clear the forms authentication cookie. 
   Sys.Services.AuthenticationService.logout(null, 
        null, null, null); 
} 

// This is the callback function called 
// if the authentication fails.      
function OnFailed(error, 
    userContext, methodName)
{		
}


// The callback function called 
// if the authentication completed successfully.
function OnLoginCompleted(validCredentials, userContext, methodName)
{
    // Clear the user password.
    password.value = "";
    
    // On success there will be a forms 
    // authentication cookie in the browser.
    if (validCredentials == true) 
    {
        // Clear the user name.
        username.value = "";
        $('.loginfield').fadeOut("slow", function()
										{
											document.location.href = document.location.href;
										});
    }
}

// This is the callback function called 
// if the user logged out successfully.
function OnLogoutCompleted(result) 
{
    // Display login fields.
    usernameEntry.style.visibility = "visible";
    passwordEntry.style.visibility = "visible";
    textNotLoggedIn.style.visibility = "visible";  
    buttonLogin.style.visibility = "visible";
   
    // Hide logout fields.
    buttonLogout.style.visibility = "hidden";
    textLoggedIn.style.visibility = "hidden";
}

if (typeof(Sys) !== "undefined") Sys.Application.notifyScriptLoaded();