(function($){

   $('.launch_presentation').live('click', function(e){
        e.preventDefault();
        var that = $(e.target),
            url = that.closest('a').attr('href');
            
        if(typeof dialog === 'undefined'){
            dialog = $('<div id="dialog" class="lightbox"><div id="dialog-container"><div class="dialog-loading content"><img src="/gfx/ajax-loader_bf2f2f2_f777777.gif" alt="Loading"/><h3 class="title">Ładowanie...</h3></div></div></div>');
            $('body').append(dialog.hide());
            dialog = $('#dialog').pmp_lightbox();
        }     
        
        dialog.open();
        $.ajax({
            url: url,
            type : 'GET',
            success: function(html){
                var $html = $(html);
                dialog.populate($html);
            }
        });
    });

})(jQuery);