/*
* loopedSlider 0.5.6 - jQuery plugin
* written by Nathan Searles
* http://nathansearles.com/loopedslider/
*
* Copyright (c) 2009 Nathan Searles (http://nathansearles.com/)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* Built for jQuery library
* http://jquery.com
* Compatible with jQuery 1.3.2+
*
*/

/*
* markup example for $("#loopedSlider").loopedSlider();
*
* <div id="loopedSlider">
* <div class="container">
* <div class="slides">
* <div><img src="01.jpg" alt="" /></div>
* <div><img src="02.jpg" alt="" /></div>
* <div><img src="03.jpg" alt="" /></div>
* <div><img src="04.jpg" alt="" /></div>
* </div>
* </div>
* <a href="#" class="previous">previous</a>
* <a href="#" class="next">next</a>
* </div>
*
*/

if (typeof jQuery != 'undefined') {
    jQuery(function($) {
        $.fn.extend({
            loopedSlider: function(options) {
                var settings = $.extend({}, $.fn.loopedSlider.defaults, options);

                return this.each(
function() {
    if ($.fn.jquery < '1.3.2') { return; }
    var $t = $(this);
    var o = $.metadata ? $.extend({}, settings, $t.metadata()) : settings;

    var distance = 0;
    var times = 1;
    var slides = $(o.slides, $t).children().size();
    var width = $(o.slides, $t).children().outerWidth();
    var position = 0;
    var active = false;
    var number = 0;
    var interval = 0;
    var restart = 0;
    var pagination = $("." + o.pagination + " li a", $t);

    if (o.addPagination && !$(pagination).length) {
        var buttons = slides;
        $($t).append("<ul class=" + o.pagination + ">");
        $(o.slides, $t).children().each(function() {
            if (number < buttons) {
                $("." + o.pagination, $t).append("<li><a rel=" + (number + 1) + " href=\"#\" >" + (number + 1) + "</a></li>");
                number = number + 1;
            } else {
                number = 0;
                return false;
            }
            $("." + o.pagination + " li a:eq(0)", $t).parent().addClass("active");
        });
        pagination = $("." + o.pagination + " li a", $t);
    } else {
        $(pagination, $t).each(function() {
            number = number + 1;
            $(this).attr("rel", number);
            $(pagination.eq(0), $t).parent().addClass("active");
        });
    }

    if (slides === 1) {
        $(o.slides, $t).children().css({ position: "absolute", left: position, display: "block" });
        return;
    }

    $(o.slides, $t).css({ width: (slides * width) });

    $(o.slides, $t).children().each(function() {
        $(this).css({ position: "absolute", left: position, display: "block" });
        position = position + width;
    });

    $(o.slides, $t).children(":eq(" + (slides - 1) + ")").css({ position: "absolute", left: -width });

    if (slides > 3) {
        $(o.slides, $t).children(":eq(" + (slides - 1) + ")").css({ position: "absolute", left: -width });
    }

    if (o.autoHeight) { autoHeight(times); }

    $(".next", $t).click(function() {
        if (active === false) {
            animate("next", true);
            if (o.autoStart) {
                if (o.restart) { autoStart(); }
                else { clearInterval(sliderIntervalID); }
            }
        } return false;
    });

    $(".previous", $t).click(function() {
        if (active === false) {
            animate("prev", true);
            if (o.autoStart) {
                if (o.restart) { autoStart(); }
                else { clearInterval(sliderIntervalID); }
            }
        } return false;
    });

    if (o.containerClick) {
        $(o.container, $t).click(function() {
            if (active === false) {
                animate("next", true);
                if (o.autoStart) {
                    if (o.restart) { autoStart(); }
                    else { clearInterval(sliderIntervalID); }
                }
            } return false;
        });
    }

    $(pagination, $t).click(function() {
        if ($(this).parent().hasClass("active")) { return false; }
        else {
            times = $(this).attr("rel");
            $(pagination, $t).parent().siblings().removeClass("active");
            $(this).parent().addClass("active");
            animate("fade", times);
            if (o.autoStart) {
                if (o.restart) { autoStart(); }
                else { clearInterval(sliderIntervalID); }
            }
        } return false;
    });

    if (o.autoStart) {
        sliderIntervalID = setInterval(function() {
            if (active === false) { animate("next", true); }
        }, o.autoStart);
        function autoStart() {
            if (o.restart) {
                clearInterval(sliderIntervalID);
                clearInterval(interval);
                clearTimeout(restart);
                restart = setTimeout(function() {
                    interval = setInterval(function() {
                        animate("next", true);
                    }, o.autoStart);
                }, o.restart);
            } else {
                sliderIntervalID = setInterval(function() {
                    if (active === false) { animate("next", true); }
                }, o.autoStart);
            }
        };
    }

    function current(times) {
        if (times === slides + 1) { times = 1; }
        if (times === 0) { times = slides; }
        $(pagination, $t).parent().siblings().removeClass("active");
        $(pagination + "[rel='" + (times) + "']", $t).parent().addClass("active");
    };

    function autoHeight(times) {
        if (times === slides + 1) { times = 1; }
        if (times === 0) { times = slides; }
        var getHeight = $(o.slides, $t).children(":eq(" + (times - 1) + ")", $t).outerHeight();
        $(o.container, $t).animate({ height: getHeight }, o.autoHeight);
    };

    function animate(dir, clicked) {
        active = true;
        switch (dir) {
            case "next":
                times = times + 1;
                distance = (-(times * width - width));
                current(times);
                if (o.autoHeight) { autoHeight(times); }
                if (slides < 3) {
                    if (times === 3) { $(o.slides, $t).children(":eq(0)").css({ left: (slides * width) }); }
                    if (times === 2) { $(o.slides, $t).children(":eq(" + (slides - 1) + ")").css({ position: "absolute", left: width }); }
                }
                $(o.slides, $t).animate({ left: distance }, o.slidespeed, function() {
                    if (times === slides + 1) {
                        times = 1;
                        $(o.slides, $t).css({ left: 0 }, function() { $(o.slides, $t).animate({ left: distance }) });
                        $(o.slides, $t).children(":eq(0)").css({ left: 0 });
                        $(o.slides, $t).children(":eq(" + (slides - 1) + ")").css({ position: "absolute", left: -width });
                    }
                    if (times === slides) $(o.slides, $t).children(":eq(0)").css({ left: (slides * width) });
                    if (times === slides - 1) $(o.slides, $t).children(":eq(" + (slides - 1) + ")").css({ left: (slides * width - width) });
                    active = false;
                });
                break;
            case "prev":
                times = times - 1;
                distance = (-(times * width - width));
                current(times);
                if (o.autoHeight) { autoHeight(times); }
                if (slides < 3) {
                    if (times === 0) { $(o.slides, $t).children(":eq(" + (slides - 1) + ")").css({ position: "absolute", left: (-width) }); }
                    if (times === 1) { $(o.slides, $t).children(":eq(0)").css({ position: "absolute", left: 0 }); }
                }
                $(o.slides, $t).animate({ left: distance }, o.slidespeed, function() {
                    if (times === 0) {
                        times = slides;
                        $(o.slides, $t).children(":eq(" + (slides - 1) + ")").css({ position: "absolute", left: (slides * width - width) });
                        $(o.slides, $t).css({ left: -(slides * width - width) });
                        $(o.slides, $t).children(":eq(0)").css({ left: (slides * width) });
                    }
                    if (times === 2) $(o.slides, $t).children(":eq(0)").css({ position: "absolute", left: 0 });
                    if (times === 1) $(o.slides, $t).children(":eq(" + (slides - 1) + ")").css({ position: "absolute", left: -width });
                    active = false;
                });
                break;
            case "fade":
                times = [times] * 1;
                distance = (-(times * width - width));
                current(times);
                if (o.autoHeight) { autoHeight(times); }
                $(o.slides, $t).children().fadeOut(o.fadespeed, function() {
                    $(o.slides, $t).css({ left: distance });
                    $(o.slides, $t).children(":eq(" + (slides - 1) + ")").css({ left: slides * width - width });
                    $(o.slides, $t).children(":eq(0)").css({ left: 0 });
                    if (times === slides) { $(o.slides, $t).children(":eq(0)").css({ left: (slides * width) }); }
                    if (times === 1) { $(o.slides, $t).children(":eq(" + (slides - 1) + ")").css({ position: "absolute", left: -width }); }
                    $(o.slides, $t).children().fadeIn(o.fadespeed);
                    active = false;
                });
                break;
            default:
                break;
        }
    };
}
);
            }
        });
        $.fn.loopedSlider.defaults = {
            container: ".container", //Class/id of main container. You can use "#container" for an id.
            slides: ".slides", //Class/id of slide container. You can use "#slides" for an id.
            pagination: "pagination", //Class name of parent ul for numbered links. Don't add a "." here.
            containerClick: false, //Click slider to goto next slide? true/false
            autoStart: 0, //Set to positive number for true. This number will be the time between transitions.
            restart: 0, //Set to positive number for true. Sets time until autoStart is restarted.
            slidespeed: 300, //Speed of slide animation, 1000 = 1second.
            fadespeed: 200, //Speed of fade animation, 1000 = 1second.
            autoHeight: 0, //Set to positive number for true. This number will be the speed of the animation.
            addPagination: false //Add pagination links based on content? true/false
        };
    });
}
