(function($){
                $(document).ready(function() {
                    //move he last list item before the first item. The purpose of this is if the user clicks to slide left he will be able to see the last item.
                    $('#carousel_ul li:first').before($('#carousel_ul li:last'));


                    //when user clicks the image for sliding right
                    $('#right_scroll img').click(function(){

                        //get the width of the items ( i like making the jquery part dynamic, so if you change the width in the css you won't have o change it here too ) '
                        var item_width = $('#carousel_ul li').outerWidth() + 10;

                        //calculae the new left indent of the unordered list
                        var left_indent = parseInt($('#carousel_ul').css('left')) - item_width;

                        //make the sliding effect using jquery's anumate function '
                        $('#carousel_ul:not(:animated)').animate({'left' : left_indent},500,function(){

                            //get the first list item and put it after the last list item (that's how the infinite effects is made) '
                            $('#carousel_ul li:last').after($('#carousel_ul li:first'));

                            //and get the left indent to the default -210px
                            $('#carousel_ul').css({'left' : '-260px'});
                        });
                    });

                    //when user clicks the image for sliding left
                    $('#left_scroll img').click(function(){

                        var item_width = $('#carousel_ul li').outerWidth() + 10;

                        /* same as for sliding right except that it's current left indent + the item width (for the sliding right it's - item_width) */
                        var left_indent = parseInt($('#carousel_ul').css('left')) + item_width;

                        $('#carousel_ul:not(:animated)').animate({'left' : left_indent},500,function(){

                            /* when sliding to left we are moving the last item before the first list item */
                            $('#carousel_ul li:first').before($('#carousel_ul li:last'));

                            /* and again, when we make that change we are setting the left indent of our unordered list to the default -210px */
                            $('#carousel_ul').css({'left' : '-260px'});
                        });


                    });
                });
            })(jQuery);