$.fn.extend({

    UplayList: function (options) {
        this.each(function  () {

            if ($(this).data('uplaylistId')) {
                var instance = $.playList.instances[$(this).data('uplaylistId')];
                instance[options].apply( instance, Array.prototype.slice.call( arguments, 1 ));
            } else {
                var instance = new $.playList(this, options);
                var id = instance.elements.player.attr('id');
                $(this).data('uplaylistId',id);
            }

        });
    }
});