[HTML] pobierz, plaintext 
$(function() {
    $('#tabRight').click(function(event) {
        var panel = $('#panelRight');
        if (panel.hasClass('open')) {
            panel.removeClass('open');
            $('.contentRight').fadeOut('slow', function() {
                $('#panelRight').stop().animate({
                    width: '0',
                    opacity: 0.0
                }, 500)
            })
        } else {
            panel.addClass('open');
            $('#panelRight').stop().animate({
                width: '300',
				height: '50',
                opacity: 1.0
            }, 500, function() { 
                $('.contentRight').fadeIn('slow'); 
            });
        }
    });
});
 
<div id="panelRight">
	<div class="contentRight" style="display: none;">zawartość po wysunięciu</div>
</div>
<div id="tabRight">Panel</div> 
[HTML] pobierz, plaintext