Navigation idle on content download



PHP Snippet 1:

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body class="gray-bg">
    <div class="col-md-4 col-lg-offset-4 text-center loginscreen animated fadeInDown">
        <div>
            <div class="ibox float-e-margins">
            <div class="ibox-title ">
                <div class="text-center">                            

                </div>
            </div>
            <div class="ibox-content">
            <h3>Bienvenue sur <?php echo Configure::read("VERSION");?></h3>
                <!-- <form class="m-t" role="form" action="index.html"> -->
                <?php echo $this->Form->create('User'); ?>  
                    <div class="form-group">
                        <div class="input-group margin-bottom-sm">
                            <span class="input-group-addon"><i class="fa fa-user fa-fw"></i></span>
                            <input type="text" class="form-control" id="UserUsername" placeholder="Nom d'utilisateur" required="required" maxlength="30" name="data[User][username]">
                        </div>
                    </div>
                    <div class="form-group">
                        <div class="input-group margin-bottom-sm">
                            <span class="input-group-addon"><i class="fa fa-key fa-fw"></i></span>
                            <input type="password" class="form-control" id="UserPassword" placeholder="Mot de passe" required="required" name="data[User][password]">
                        </div>
                    </div>
                    <button type="submit" id="btnlogin" class="btn btn-primary block full-width m-b ladda-button" data-style="zoom-in" style="background-color:#00ADEE;">Connexion</button>


                <?php echo $this->Form->end();?>  

                </div>
            </div>
        </div>
    </div>
</body>
</html>