(function($) { //create closure
    $.fn.agile_carousel = function(options) {
        agile_validated = 'fail';
        validate_carousel = function() {
            var p;
            for (p in options) {
                checkme = options[p];
                checkme = checkme.toString();
                checkme = checkme.replace(/<\S+>/g, '');
            }; // for
            agile_validated = 'pass';
        }
        validate_carousel();
        if (agile_validated == 'pass') {
            slide_containter_elem = $(this);
            var defaults = {
                disable_on_first_last: "no",
                first_last_buttons: "no",
                first_slide_is_intro: "no",
                hover_next_prev_buttons: "no",
                intro_timer_length: "3000",
                intro_transtion: "no",
                next_prev_buttons: "yes",
                number_slides_visible: "1",
                pause_button: "no",
                slide_buttons: "no",
                slide_captions: "no",
                slide_directory: "slides",
                doctype: "html",
                slide_links: "no",
                slide_number_display: "no",
                timer_length: "7000",
                timer_on: "yes",
                transition_duration: 1000,
                transition_easing: "swing",
                transition_type: "carousel",
                water_mark: "no"
            };
            var opts = $.extend(defaults, options);
            $.ajax({
                type: "POST",
                url: "/player/",
                cache: false,
                data: {
                    first_last_buttons: defaults.first_last_buttons,
                    first_slide_is_intro: defaults.first_slide_is_intro,
                    hover_next_prev_buttons: defaults.hover_next_prev_buttons,
                    next_prev_buttons: defaults.next_prev_buttons,
                    pause_button: defaults.pause_button,
                    slide_buttons: defaults.slide_buttons,
                    slide_captions: defaults.slide_captions,
                    slide_directory: defaults.slide_directory,
                    doctype: defaults.doctype,
                    slide_links: defaults.slide_links,
                    slide_number_display: defaults.slide_number_display,
                    water_mark: defaults.water_mark
                },
                success: function(html) {
                    slide_containter_elem.html(html);

                    if (defaults.first_slide_is_intro == 'yes') {
                        intro();
                    } else {
                        carousel();
                    }
                }
            }); // ajax
            // for intro slide
            function intro() {
                $("#intro").appendTo("#slide_holder_inner");
                $('#slide_1').css("z-index", "1000");
                do_show_1 = function() {
                    $('#slide_1').show();
                };
                show_1 = setTimeout(do_show_1, 300);
                intro_transition = function() {
                    if (defaults.intro_transtion == 'fade') {
                        $('#intro').fadeOut("slow");
                        intro_timer = setTimeout(carousel, 300);
                    } else {
                        $('#intro').hide();
                    } // if
                } // function
                intro_timer = setTimeout("intro_transition()", defaults.intro_timer_length);
            }

            carousel = function() {
                // global variables (evil)
                button_class = "slide_1";
                curr_slide_id = "slide_1";
                curr_slide_id_number = 1;
                next_slide_id_number = 1;
				scroll_direction = "";
				disable_next_prev = "";
                slideshow_paused = "not_paused";
                transition_type = defaults.transition_type;
                slide_finder = $("#slide_holder_inner div.slide");
                slide_id_array = [];
                slides_index_counter = 0;
                slide_finder.each(function() {
                    slide_id_array[slides_index_counter] = $(this).attr("id");
                    slides_index_counter++;
                });
                slide_captions_array = defaults.slide_captions.split("|");
                slide_height = $('#slide_holder_inner').height();
                half_slide_height_raw = slide_height / 2;
                half_slide_height = parseFloat(half_slide_height_raw);
                slide_holder_width = $(slide_containter_elem).width();
                slide_holder_height = $(slide_containter_elem).height();
                slide_holder_inner_width = $('#slide_holder_inner').width();
                slide_holder_inner_height = $('#slide_holder_inner').height();
                slide_holder_inner_width_px = slide_holder_inner_width + 'px';
                slide_holder_inner_height_px = slide_holder_inner_height + 'px';
                // all_slides_width_raw = slide_holder_inner_width * slide_id_array.length;
                width_per_slide = slide_holder_inner_width / defaults.number_slides_visible;
                width_per_slide = Math.floor(width_per_slide);
                all_slides_width_raw = slide_id_array.length * width_per_slide;
                all_slides_width_raw = Math.floor(all_slides_width_raw);
                all_slides_width = all_slides_width_raw + 'px';
                slide_finder_array_length = slide_finder.length;
                carousel_tranition_number_slides_visible = defaults.carousel_tranition_number_slides_visible;
                num_slides_vis = parseFloat(defaults.number_slides_visible);

                // set up the carousel
                // hide all the slides except slide_1
                $('#intro').remove();
                $('#slide_buttons').show();
                $('#slide_holder_inner div.slide:not(#slide_1)').hide();
                $('#slide_1').css("z-index", "0");
                $('#slide_holder_inner .pause_button').show();
                // initial highlighted and rollover effect for thumb images
                $("#slide_buttons li").removeAttr("id");
                $("#slide_buttons .slide_1").attr("id", "button_selected");
                // disable prev button
                if (defaults.disable_on_first_last == 'yes') {
                    $('.prev_button').attr('class', 'prev_button_disabled');
                }

                Array.prototype.inArray = function(value)
                // Returns true if the passed value is found in the
                // array. Returns false if it is not.
                {
                    var i;
                    for (i = 0; i < this.length; i++) {
                        // Matches identical (===), not just similar (==).
                        if (this[i] === value) {
                            return true;
                        }
                    }
                    return false;
                };
                slide_finder.each(function() {
                    // update slide number display
                    update_slide_number_display = function() {
                        if (defaults.slide_number_display == "yes") {
                            var id_to_split = curr_slide_id;
                            var the_currrent_slide_number_array = id_to_split.split("_");
                            var the_current_slide_number = the_currrent_slide_number_array.pop();
                            $("#slide_number_display span").html(the_current_slide_number + " of" + " <span>" + slide_id_array.length + "</span>");
                            //  $("#slide_number_display span").html(the_current_slide_number);
                        } // if
                    } // update_slide_number_display
                    if (defaults.slide_number_display == "yes") {
                        update_slide_number_display();
                    }
                    // for slide caption display
                } // change_slide_caption
                ) // each
                // pause button 
                pause = function() {
                    if (defaults.timer_on == "yes") {
                        clearInterval(slideshow_timer);
                    };
                    $("#pause_button span").html("play");
                    slideshow_paused = "paused";
                    $("#pause_button").attr("class", "paused_button");
                } // function
                change_slide_caption = function() {
                    if (defaults.slide_captions != "no") {
                        curr_caption = slide_captions_array[curr_slide_id_number - 1];
                        if (curr_caption == null) {
                            curr_caption = "";
                        }
                        $("#slide_captions span").html(curr_caption);
                    } // if
                } // if
                change_slide_caption();

                // for jquery ui effects transition
                if (defaults.transition_type == 'fold') {
                    options_object = {
                        'size': half_slide_height,
                        'easing': defaults.transition_easing
                    }
                } else {
                    options_object = {
                        'easing': defaults.transition_easing
                    };
                }
                if ((defaults.jquery_ui_effect_param != null) && (defaults.jquery_ui_effect_value != null)) {
                    jquery_ui_effect_param = defaults.jquery_ui_effect_param;
                    // handle string vs integer
                    if ((defaults.jquery_ui_effect_param == "distance") || (defaults.jquery_ui_effect_param == "number") || (defaults.jquery_ui_effect_param == "percent") || (defaults.jquery_ui_effect_param == "size") || (defaults.jquery_ui_effect_param == "times") || (defaults.jquery_ui_effect_param == "direction")) {
                        jquery_ui_effect_value = defaults.jquery_ui_effect_value;
                    } else {
                        jquery_ui_effect_value = "'" + defaults.jquery_ui_effect_value + "'";
                    }
                    options_object[jquery_ui_effect_param] = jquery_ui_effect_value;
                }
                // end for jquery ui effects transition
                // for carousel transition - position slides in a row
                if (defaults.transition_type == 'carousel') {
                    $(".slide").show();
                    for (i = 0; i < slide_finder_array_length; i++) {
                        var the_slide = slide_finder[i];
                        var x_pos = (width_per_slide) * i;
                        $(the_slide).css('left', x_pos);
                    } // for
                    $('#row_of_slides').css('width', all_slides_width);
                } // if
                // for carousel transition with multiple slides
                x_position_array = [];
                slidestop_array = [];
                sliced_slidestop_array = [];
                next_slidestop_array = [];
                prev_slidestop_array = [];

                for (i = 0; i < slide_id_array.length; i++) {
                    test_me_for_float = (i) / defaults.number_slides_visible;
                    if (i == 0 || (test_me_for_float == parseInt(test_me_for_float) && test_me_for_float == parseFloat(test_me_for_float))) {
                        var slidestop = 'yes';
                        the_x_pos = width_per_slide * (i) * -1;
                        the_next_slidestop = (1 + i + num_slides_vis);
                        if (the_next_slidestop > slide_id_array.length) {
                            the_next_slidestop = 1;
                        }
                        next_slidestop_array[i] = the_next_slidestop;
                        the_prev_slidestop = (1 + i - num_slides_vis);
                        if (the_prev_slidestop < 1) {
                            the_prev_slidestop = slide_id_array.length - num_slides_vis + 1;
                        }
                        prev_slidestop_array[i] = the_prev_slidestop;
                        next_counter = num_slides_vis - 1;
                        prev_counter = 1;
                    } else {
                        slidestop = 'no';
                        the_next_slidestop = i + 1 + next_counter;
                        if (the_next_slidestop > slide_id_array.length) {
                            the_next_slidestop = 1;
                        }
                        next_slidestop_array[i] = the_next_slidestop;
                        next_counter = next_counter + 1;
                        the_prev_slidestop = i + 1 - prev_counter;
                        if (the_prev_slidestop < 1) {
                            the_prev_slidestop == slide_id_array.length;
                        }
                        if (the_prev_slidestop > slide_id_array.length) {
                            the_prev_slidestop = 1;
                        }
                        prev_slidestop_array[i] = the_prev_slidestop;
                        prev_counter = prev_counter + 1;
                    } // if			
                    x_position_array[i] = the_x_pos;
                    slidestop_array[i] = slidestop;
                } // for
                function carousel_transition() {
                    // create array that stores desired x position per slide
                    $('#row_of_slides').stop().animate({
                        "left": x_position_array[next_slide_id_number - 1]
                    },
                    {
                        "duration": defaults.transition_duration,
                        "easing": defaults.transition_easing
                    });
                }
                // carousel transition
                function fade_transition() {
                    $('#slide_holder_inner div.slide').each(function() {
                        if ($(this).attr('id') != curr_slide_id) {
                            $(this).hide();
                        } // if
                    } // function
                    ) // each
                    $('#slide_holder_inner div[@id$="' + curr_slide_id + '"]').css("z-index", "50");
                    $('#slide_holder_inner div[@id$="' + button_class + '"]').css("z-index", "100");
                    $('#slide_holder_inner div[@id$="' + button_class + '"]').animate({
                        "opacity": "show"
                    },
                    {
                        "duration": defaults.transition_duration,
                        "easing": defaults.transition_easing
                    });
                } //function fade
                function ui_effects_transition() {
                    next_top_show_next = function() {
                        // all divs
                        $('#slide_holder_inner div.slide').show().css('z-index', '20');
                        // next div
                        $('#slide_holder_inner div[@id$="' + next_slide_id + '"]').css('z-index', '60');
                        // current div
                        $('#slide_holder_inner div[@id$="' + curr_slide_id + '"]').css('z-index', '50');
                        // the transition
                        $('#slide_holder_inner div[@id$="' + next_slide_id + '"