jQuery.cookie = function (key, value, options) {

    // key and at least value given, set cookie...
    if (arguments.length > 1 && String(value) !== "[object Object]") {
        options = jQuery.extend({}, options);

        if (value === null || value === undefined) {
            options.expires = -1;
        }

        if (typeof options.expires === 'number') {
            var days = options.expires, t = options.expires = new Date();
            t.setDate(t.getDate() + days);
        }

        value = String(value);

        return (document.cookie = [
            encodeURIComponent(key), '=',
            options.raw ? value : encodeURIComponent(value),
            options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
            options.path ? '; path=' + options.path : '',
            options.domain ? '; domain=' + options.domain : '',
            options.secure ? '; secure' : ''
        ].join(''));
    }

    // key and possibly options given, get cookie...
    options = value || {};
    var result, decode = options.raw ? function (s) { return s; } : decodeURIComponent;
    return (result = new RegExp('(?:^|; )' + encodeURIComponent(key) + '=([^;]*)').exec(document.cookie)) ? decode(result[1]) : null;
};

 


function closebar(){
    $( '#bar' ).animate( { top: '-45px'}, 'normal' );
    $( 'html' ).animate( { 'marginTop': 0 } );
    $( '#navbottom' ).animate({ top: '0'}, 'normal' );
    $.cookie( 'bar', 'closed', {
        domain: window.location.host.split( '.' ).splice( 1 ).join( '.' ),
        path: '/',
        expires: new Date( ( new Date().getTime() + 1000 * 3600 * 24 * 365 ) )
    } );
}
function openbar(){
    
$( '#bar' ).animate( { top: 0 }, 'normal' );
    $( 'html' ).animate( { 'marginTop': 45 } );
    $( '#navbottom' ).animate({top: '-45px'}, 'normal' );
    $.cookie( 'bar', 'opened', {
        domain: window.location.host.split( '.' ).splice( 1 ).join( '.' ),
        path: '/',
        expires: new Date( ( new Date().getTime() + 1000 * 3600 * 24 * 365 ) )
    } );
 
}
$( function(){
    $( '#bar .nav.up' ).click( closebar );
    $( '#topbar .nav.down' ).click( openbar );
    if( $.cookie( 'bar' ) != 'closed' ){
        setTimeout( openbar, 2000 );
    } 
} );