$(document).ready(function()
{
    var loginForm = '#login-form';

    /*
     * Focus on user input
     */
    $('#login-user').focus();

    /*
     * Submit login form by ENTER key.
     */
    $(document).keydown(function(e) {
        if(e.which == 13) {
            e.preventDefault();
            $(loginForm).submit();
        }
    });

    /*
     * Check if we should show the message
     */
    $('input',loginForm).keyup(function()
    {
        var empty = false;
        for(var i=0;i<2;i++)
        {
            if($('input',loginForm).eq(i).val() == '')
            {
                empty = true;
            }
        }
        if(!empty)
        {
            $('.hidden-info').stop().animate({ top: 0 },300);
        }
    });
});