(function($) {
    $.facebox = function(data, klass) {
        $.facebox.loading()
        if (data.ajax) fillFaceboxFromAjax(data.ajax)
        else if (data.image) fillFaceboxFromImage(data.image)
        else if (data.div) fillFaceboxFromHref(data.div)
        else if ($.isFunction(data)) data.call($)
        else $.facebox.reveal(data, klass)
    };
    $.extend($.facebox, {
        settings: {
            opacity: .8,
            overlay: true,
            loadingImage: 'images/facebox/loading.gif',
            closeImage: 'images/facebox/closelabel.gif',
            imageTypes: ['png', 'jpg', 'jpeg', 'gif'],
            faceboxHtml: '\
    <div id="facebox" style="display:none;"> \
      <div class="popup"> \
        <table> \
          <tbody> \
            <tr> \
              <td class="tl"/><td class="b"/><td class="tr"/> \
            </tr> \
            <tr> \
              <td class="b"/> \
              <td class="body"> \
                <div class="content"> \
                </div> \
                <div class="footer"> \
                  <a href="#" class="close"> \
                    Close \
                  </a> \
                </div> \
              </td> \
              <td class="b"/> \
            </tr> \
            <tr> \
              <td class="bl"/><td class="b"/><td class="br"/> \
            </tr> \
          </tbody> \
        </table> \
      </div> \
    </div>'
        },
        loading: function() {
            init()
            if ($('#facebox .loading').length == 1) return true
            showOverlay()

            $('#facebox .content').empty()
            $('#facebox .body').children().hide().end().
        append('<div class="loading"><img src="' + $.facebox.settings.loadingImage + '"/></div>')

            $('#facebox').css({
                top: getPageScroll()[1] + (getPageHeight() / 10),
                left: 385.5
            }).show()

            $(document).bind('keydown.facebox', function(e) {
                if (e.keyCode == 27) $.facebox.close()
                return true
            })
            $(document).trigger('loading.facebox')
        },
        reveal: function(data, klass) {
            $(document).trigger('beforeReveal.facebox')
            if (klass) $('#facebox .content').addClass(klass)
            $('#facebox .content').append(data)
            $('#facebox .loading').remove()
            $('#facebox .body').children().fadeIn('normal')
            $('#facebox').css('left', $(window).width() / 2 - ($('#facebox table').width() / 2))
            $(document).trigger('reveal.facebox').trigger('afterReveal.facebox')
        },

        close: function() {
            $(document).trigger('close.facebox')
            return false
        }
    });
    $.fn.facebox = function(settings) {
        init(settings)

        function clickHandler() {
            $.facebox.loading(true)
            var klass = this.rel.match(/facebox\[?\.(\w+)\]?/)
            if (klass) klass = klass[1]
            fillFaceboxFromHref(this.href, klass)
            return false
        }
        return this.click(clickHandler)
    };
    function init(settings) {
        if ($.facebox.settings.inited) return true
        else $.facebox.settings.inited = true

        $(document).trigger('init.facebox')
        makeCompatible()

        var imageTypes = $.facebox.settings.imageTypes.join('|')
        $.facebox.settings.imageTypesRegexp = new RegExp('\.' + imageTypes + '$', 'i')

        if (settings) $.extend($.facebox.settings, settings)
        $('body').append($.facebox.settings.faceboxHtml)

        var preload = [new Image(), new Image()]
        preload[0].src = $.facebox.settings.closeImage
        preload[1].src = $.facebox.settings.loadingImage

        $('#facebox').find('.b:first, .bl, .br, .tl, .tr').each(function() {
            preload.push(new Image())
            preload.slice(-1).src = $(this).css('background-image').replace(/url\((.+)\)/, '$1')
        })

        $('#facebox .close').click($.facebox.close)
        $('#facebox .close_image').attr('src', $.facebox.settings.closeImage)
    };
    function getPageScroll() {
        var xScroll, yScroll;
        if (self.pageYOffset) {
            yScroll = self.pageYOffset;
            xScroll = self.pageXOffset;
        } else if (document.documentElement && document.documentElement.scrollTop) {
            yScroll = document.documentElement.scrollTop;
            xScroll = document.documentElement.scrollLeft;
        } else if (document.body) {
            yScroll = document.body.scrollTop;
            xScroll = document.body.scrollLeft;
        }
        return new Array(xScroll, yScroll)
    };
    function getPageHeight() {
        var windowHeight
        if (self.innerHeight) {
            windowHeight = self.innerHeight;
        } else if (document.documentElement && document.documentElement.clientHeight) {
            windowHeight = document.documentElement.clientHeight;
        } else if (document.body) {
            windowHeight = document.body.clientHeight;
        }
        return windowHeight
    };
    function makeCompatible() {
        var $s = $.facebox.settings

        $s.loadingImage = $s.loading_image || $s.loadingImage
        $s.closeImage = $s.close_image || $s.closeImage
        $s.imageTypes = $s.image_types || $s.imageTypes
        $s.faceboxHtml = $s.facebox_html || $s.faceboxHtml
    };
    function fillFaceboxFromHref(href, klass) {
        if (href.match(/#/)) {
            var url = window.location.href.split('#')[0]
            var target = href.replace(url, '')
            $.facebox.reveal($(target).clone().show(), klass)
        } else if (href.match($.facebox.settings.imageTypesRegexp)) {
            fillFaceboxFromImage(href, klass)
        } else {
            fillFaceboxFromAjax(href, klass)
        }
    };
    function fillFaceboxFromImage(href, klass) {
        var image = new Image()
        image.onload = function() {
            $.facebox.reveal('<div class="image"><img src="' + image.src + '" /></div>', klass)
        };
        image.src = href
    };
    function fillFaceboxFromAjax(href, klass) {
        $.get(href, function(data) { $.facebox.reveal(data, klass) })
    };
    function skipOverlay() {
        return $.facebox.settings.overlay == false || $.facebox.settings.opacity === null
    };
    function showOverlay() {
        if (skipOverlay()) return
        if ($('facebox_overlay').length == 0)
            $("body").append('<div id="facebox_overlay" class="facebox_hide"></div>')
        $('#facebox_overlay').hide().addClass("facebox_overlayBG")
      .css('opacity', $.facebox.settings.opacity)
      .click(function() { $(document).trigger('close.facebox') })
      .fadeIn(200)
        return false
    };
    function hideOverlay() {
        if (skipOverlay()) return
        $('#facebox_overlay').fadeOut(200, function() {
            $("#facebox_overlay").removeClass("facebox_overlayBG")
            $("#facebox_overlay").addClass("facebox_hide")
            $("#facebox_overlay").remove()
        });
        return false
    };
    $(document).bind('close.facebox', function() {
        $(document).unbind('keydown.facebox')
        $('#facebox').fadeOut(function() {
            $('#facebox .content').removeClass().addClass('content')
            hideOverlay()
            $('#facebox .loading').remove()
        })
    })
})(jQuery);