// ColorBox v1.3.8 - a full featured, light-weight, customizable lightbox based on jQuery 1.3
// c) 2009 Jack Moore - www.colorpowered.com - jack@colorpowered.com
// Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php
(function ($, window) {
  
  var
  // ColorBox Default Settings.  
  // See http://colorpowered.com/colorbox for details.
  defaults = {
    transition: "elastic",
    speed: 300,
    width: false,
    initialWidth: "600",
    innerWidth: false,
    maxWidth: false,
    height: false,
    initialHeight: "450",
    innerHeight: false,
    maxHeight: false,
    scalePhotos: true,
    scrolling: true,
    inline: false,
    html: false,
    iframe: false,
    photo: false,
    href: false,
    title: false,
    rel: false,
    opacity: 0.9,
    preloading: true,
    current: "image {current} of {total}",
    previous: "previous",
    next: "next",
    close: "close",
    open: false,
    loop: true,
    slideshow: false,
    slideshowAuto: true,
    slideshowSpeed: 2500,
    slideshowStart: "start slideshow",
    slideshowStop: "stop slideshow",
    onOpen: false,
    onLoad: false,
    onComplete: false,
    onCleanup: false,
    onClosed: false,
    overlayClose: true,    
    escKey: true,
    arrowKey: true
  },
  
  // Abstracting the HTML and event identifiers for easy rebranding
  colorbox = 'colorbox',
  prefix = 'cbox',
  
  // Events  
  event_open = prefix + '_open',
  event_load = prefix + '_load',
  event_complete = prefix + '_complete',
  event_cleanup = prefix + '_cleanup',
  event_closed = prefix + '_closed',
  
  // Special Handling for IE
  isIE = $.browser.msie && !$.support.opacity, // feature detection alone gave a false positive on at least one phone browser and on some development versions of Chrome.
  isIE6 = isIE && $.browser.version < 7,
  event_ie6 = prefix + '_IE6',

  // Cached jQuery Object Variables
  $overlay,
  $box,
  $wrap,
  $content,
  $topBorder,
  $leftBorder,
  $rightBorder,
  $bottomBorder,
  $related,
  $window,
  $loaded,
  $loadingBay,
  $loadingOverlay,
  $title,
  $current,
  $slideshow,
  $next,
  $prev,
  $close,

  // Variables for cached values or use across multiple functions
  interfaceHeight,
  interfaceWidth,
  loadedHeight,
  loadedWidth,
  element,
  bookmark,
  index,
  settings,
  open,
  active,
  
  publicMethod,
  boxElement = prefix + 'Element';
  
  // ****************
  // HELPER FUNCTIONS
  // ****************

  // jQuery object generator to reduce code size
  function $div(id, css) { 
    id = id ? ' id="' + prefix + id + '"' : '';
    css = css ? ' style="' + css + '"' : '';
    return $('<div' + id + css + '/>');
  }

  // Convert % values to pixels
  function setSize(size, dimension) {
    dimension = dimension === 'x' ? $window.width() : $window.height();
    return (typeof size === 'string') ? Math.round((size.match(/%/) ? (dimension / 100) * parseInt(size, 10) : parseInt(size, 10))) : size;
  }

  // Checks an href to see if it is a photo.
  // There is a force photo option (photo: true) for hrefs that cannot be matched by this regex.
  function isImage(url) {
    url = $.isFunction(url) ? url.call(element) : url;
    return settings.photo || url.match(/\.(gif|png|jpg|jpeg|bmp)(?:\?([^#]*))?(?:#(\.*))?$/i);
  }
  
  // Assigns functions results to their respective settings.  This allows functions to be used to set ColorBox options.
  function process() {
    for (var i in settings) {
      if ($.isFunction(settings[i]) && i.substring(0, 2) !== 'on') { // checks to make sure the function isn't one of the callbacks, they will be handled at the appropriate time.
          settings[i] = settings[i].call(element);
      }
    }
    settings.rel = settings.rel || element.rel || 'nofollow';
    settings.href = settings.href || $(element).attr('href');
    settings.title = settings.title || element.title;
  }

  function launch(elem) {
    
    element = elem;
    
    settings = $.extend({}, $(element).data(colorbox));
    
    process(); // Convert functions to their returned values.
    
    if (settings.rel !== 'nofollow') {
      $related = $('.' + boxElement).filter(function () {
        var relRelated = $(this).data(colorbox).rel || this.rel;
        return (relRelated === settings.rel);
      });
      index = $related.index(element);
      
      // Check direct calls to ColorBox.
      if (index === -1) {
        $related = $related.add(element);
        index = $related.length - 1;
      }
    } else {
      $related = $(element);
      index = 0;
    }
    
    if (!open) {
      open = active = true; // Prevents the page-change action from queuing up if the visitor holds down the left or right keys.
      
      bookmark = element;
      
      try {
        bookmark.blur(); // Remove the focus from the calling element.
      }catch (e) {}
      
      $.event.trigger(event_open);
      if (settings.onOpen) {
        settings.onOpen.call(element);
      }
      
      // +settings.opacity avoids a problem in IE when using non-zero-prefixed-string-values, like '.5'
      $overlay.css({"opacity": +settings.opacity, "cursor": settings.overlayClose ? "pointer" : "auto"}).show();
      
      // Opens inital empty ColorBox prior to content being loaded.
      settings.w = setSize(settings.initialWidth, 'x');
      settings.h = setSize(settings.initialHeight, 'y');
      publicMethod.position(0);
      
      if (isIE6) {
        $window.bind('resize.' + event_ie6 + ' scroll.' + event_ie6, function () {
          $overlay.css({width: $window.width(), height: $window.height(), top: $window.scrollTop(), left: $window.scrollLeft()});
        }).trigger('scroll.' + event_ie6);
      }
    }
    
    $current.add($prev).add($next).add($slideshow).add($title).hide();
    
    $close.html(settings.close).show();
    
    publicMethod.slideshow();
    
    publicMethod.load();
  }

  // ****************
  // PUBLIC FUNCTIONS
  // Usage format: $.fn.colorbox.close();
  // Usage from within an iframe: parent.$.fn.colorbox.close();
  // ****************
  
  publicMethod = $.fn[colorbox] = $[colorbox] = function (options, callback) {
    var $this = this;
    
    if (!$this[0] && $this.selector) { // if a selector was given and it didn't match any elements, go ahead and exit.
      return $this;
    }
    
    options = options || {};
    
    if (callback) {
      options.onComplete = callback;
    }
    
    if (!$this[0] || $this.selector === undefined) { // detects $.colorbox() and $.fn.colorbox()
      $this = $('<a/>');
      options.open = true; // assume an immediate open
    }
    
    $this.each(function () {
      $(this).data(colorbox, $.extend({}, $(this).data(colorbox) || defaults, options)).addClass(boxElement);
    });
    
    if (options.open) {
      launch($this[0]);
    }
    
    return $this;
  };

  // Initialize ColorBox: store common calculations, preload the interface graphics, append the html.
  // This preps colorbox for a speedy open when clicked, and lightens the burdon on the browser by only
  // having to run once, instead of each time colorbox is opened.
  publicMethod.init = function () {
    // Create & Append jQuery Objects
    $window = $(window);
    $box = $div().attr({id: colorbox, 'class': isIE ? prefix + 'IE' : ''});
    $overlay = $div("Overlay", isIE6 ? 'position:absolute' : '').hide();
    
    $wrap = $div("Wrapper");
    $content = $div("Content").append(
      $loaded = $div("LoadedContent", 'width:0; height:0'),
      $loadingOverlay = $div("LoadingOverlay").add($div("LoadingGraphic")),
      $title = $div("Title"),
      $current = $div("Current"),
      $next = $div("Next"),
      $prev = $div("Previous"),
      $slideshow = $div("Slideshow"),
      $close = $div("Close")
    );
    $wrap.append( // The 3x3 Grid that makes up ColorBox
      $div().append(
        $div("TopLeft"),
        $topBorder = $div("TopCenter"),
        $div("TopRight")
      ),
      $div().append(
        $leftBorder = $div("MiddleLeft"),
        $content,
        $rightBorder = $div("MiddleRight")
      ),
      $div().append(
        $div("BottomLeft"),
        $bottomBorder = $div("BottomCenter"),
        $div("BottomRight")
      )
    ).children().children().css({'float': 'left'});
    
    $loadingBay = $div(false, 'position:absolute; width:9999px; visibility:hidden; display:none');
    
    $('body').prepend($overlay, $box.append($wrap, $loadingBay));
    
    $content.children()
    .hover(function () {
      $(this).addClass('hover');
    }, function () {
      $(this).removeClass('hover');
    }).addClass('hover');
    
    // Cache values needed for size calculations
    interfaceHeight = $topBorder.height() + $bottomBorder.height() + $content.outerHeight(true) - $content.height();//Subtraction needed for IE6
    interfaceWidth = $leftBorder.width() + $rightBorder.width() + $content.outerWidth(true) - $content.width();
    loadedHeight = $loaded.outerHeight(true);
    loadedWidth = $loaded.outerWidth(true);
    
    // Setting padding to remove the need to do size conversions during the animation step.
    $box.css({"padding-bottom": interfaceHeight, "padding-right": interfaceWidth}).hide();
    
    // Setup button events.
    $next.click(publicMethod.next);
    $prev.click(publicMethod.prev);
    $close.click(publicMethod.close);
    
    // Adding the 'hover' class allowed the browser to load the hover-state
    // background graphics.  The class can now can be removed.
    $content.children().removeClass('hover');
    
    $('.' + boxElement).live('click', function (e) {
      // checks to see if it was a non-left mouse-click and for clicks modified with ctrl, shift, or alt.
      if ((e.button !== 0 && typeof e.button !== 'undefined') || e.ctrlKey || e.shiftKey || e.altKey) {
        return true;
      } else {
        launch(this);      
        return false;
      }
    });
    
    $overlay.click(function () {
      if (settings.overlayClose) {
        publicMethod.close();
      }
    });
    
    // Set Navigation Key Bindings
    $(document).bind("keydown", function (e) {
      if (open && settings.escKey && e.keyCode === 27) {
        e.preventDefault();
        publicMethod.close();
      }
      if (open && settings.arrowKey && !active && $related[1]) {
        if (e.keyCode === 37 && (index || settings.loop)) {
          e.preventDefault();
          $prev.click();
        } else if (e.keyCode === 39 && (index < $related.length - 1 || settings.loop)) {
          e.preventDefault();
          $next.click();
        }
      }
    });
  };
  
  publicMethod.remove = function () {
    $box.add($overlay).remove();
    $('.' + boxElement).die('click').removeData(colorbox).removeClass(boxElement);
  };

  publicMethod.position = function (speed, loadedCallback) {
    var
    animate_speed,
    // keeps the top and left positions within the browser's viewport.
    posTop = Math.max($window.height() - settings.h - loadedHeight - interfaceHeight, 0) / 2 + $window.scrollTop(),
    posLeft = Math.max($window.width() - settings.w - loadedWidth - interfaceWidth, 0) / 2 + $window.scrollLeft();
    
    // setting the speed to 0 to reduce the delay between same-sized content.
    animate_speed = ($box.width() === settings.w + loadedWidth && $box.height() === settings.h + loadedHeight) ? 0 : speed;
    
    // this gives the wrapper plenty of breathing room so it's floated contents can move around smoothly,
    // but it has to be shrank down around the size of div#colorbox when it's done.  If not,
    // it can invoke an obscure IE bug when using iframes.
    $wrap[0].style.width = $wrap[0].style.height = "9999px";
    
    function modalDimensions(that) {
      // loading overlay height has to be explicitly set for IE6.
      $topBorder[0].style.width = $bottomBorder[0].style.width = $content[0].style.width = that.style.width;
      $loadingOverlay[0].style.height = $loadingOverlay[1].style.height = $content[0].style.height = $leftBorder[0].style.height =$rightBorder[0].style.height = that.style.height;
    }
    
    $box.dequeue().animate({width: settings.w + loadedWidth, height: settings.h + loadedHeight, top: posTop, left: posLeft}, {
      duration: animate_speed,
      complete: function () {
        modalDimensions(this);
        
        active = false;
        
        // shrink the wrapper down to exactly the size of colorbox to avoid a bug in IE's iframe implementation.
        $wrap[0].style.width = (settings.w + loadedWidth + interfaceWidth) + "px";
        $wrap[0].style.height = (settings.h + loadedHeight + interfaceHeight) + "px";
        
        if (loadedCallback) {
          loadedCallback();
        }
      },
      step: function () {
        modalDimensions(this);
      }
    });
  };

  publicMethod.resize = function (options) {
    if (open) {
      options = options || {};
      
      if (options.width) {
        settings.w = setSize(options.width, 'x') - loadedWidth - interfaceWidth;
      }
      if (options.innerWidth) {
        settings.w = setSize(options.innerWidth, 'x');
      }
      $loaded.css({width: settings.w});
      
      if (options.height) {
        settings.h = setSize(options.height, 'y') - loadedHeight - interfaceHeight;
      }
      if (options.innerHeight) {
        settings.h = setSize(options.innerHeight, 'y');
      }
      if (!options.innerHeight && !options.height) {        
        var $child = $loaded.wrapInner("<div style='overflow:auto'></div>").children(); // temporary wrapper to get an accurate estimate of just how high the total content should be.
        settings.h = $child.height();
        $child.replaceWith($child.children()); // ditch the temporary wrapper div used in height calculation
      }
      $loaded.css({height: settings.h});
      
      publicMethod.position(settings.transition === "none" ? 0 : settings.speed);
    }
  };

  publicMethod.prep = function (object) {
    if (!open) {
      return;
    }
    
    var photo,
    speed = settings.transition === "none" ? 0 : settings.speed;
    
    $window.unbind('resize.' + prefix);
    $loaded.remove();
    $loaded = $div('LoadedContent').html(object);
    
    function getWidth() {
      settings.w = settings.w || $loaded.width();
      settings.w = settings.mw && settings.mw < settings.w ? settings.mw : settings.w;
      return settings.w;
    }
    function getHeight() {
      settings.h = settings.h || $loaded.height();
      settings.h = settings.mh && settings.mh < settings.h ? settings.mh : settings.h;
      return settings.h;
    }
    
    $loaded.hide()
    .appendTo($loadingBay.show())// content has to be appended to the DOM for accurate size calculations.
    .css({width: getWidth(), overflow: settings.scrolling ? 'auto' : 'hidden'})
    .css({height: getHeight()})// sets the height independently from the width in case the new width influences the value of height.
    .prependTo($content);
    
    $loadingBay.hide();
    
    $('#' + prefix + 'Photo').css({cssFloat: 'none'});// floating the IMG removes the bottom line-height and fixed a problem where IE miscalculates the width of the parent element as 100% of the document width.
    
    // Hides SELECT elements in IE6 because they would otherwise sit on top of the overlay.
    if (isIE6) {
      $('select').not($box.find('select')).filter(function () {
        return this.style.visibility !== 'hidden';
      }).css({'visibility': 'hidden'}).one(event_cleanup, function () {
        this.style.visibility = 'inherit';
      });
    }
        
    function setPosition(s) {
      var prev, prevSrc, next, nextSrc, total = $related.length, loop = settings.loop;
      publicMethod.position(s, function () {
        function defilter() {
          if (isIE) {
            //IE adds a filter when ColorBox fades in and out that can cause problems if the loaded content contains transparent pngs.
            $box[0].style.removeAttribute("filter");
          }
        }
        
        if (!open) {
          return;
        }
        
        if (isIE) {
          //This fadeIn helps the bicubic resampling to kick-in.
          if (photo) {
            $loaded.fadeIn(100);
          }
        }
        
        //Waited until the iframe is added to the DOM & it is visible before setting the src.
        //This increases compatability with pages using DOM dependent JavaScript.
        if (settings.iframe) {
          $("<iframe frameborder=0" + (settings.scrolling ? "" : " scrolling='no'") + (isIE ? " allowtransparency='true'" : '') + "/>")
          .appendTo($loaded)
          .attr({src: settings.href, name: new Date().getTime()});
        }
        
        $loaded.show();
        
        $title.show().html(settings.title);
        
        if (total > 1) { // handle grouping
          $current.html(settings.current.replace(/\{current\}/, index + 1).replace(/\{total\}/, total)).show();
          
          $next[(loop || index < total - 1) ? "show" : "hide"]().html(settings.next);
          $prev[(loop || index) ? "show" : "hide"]().html(settings.previous);
          
          prev = index ? $related[index - 1] : $related[total - 1];
          next = index < total - 1 ? $related[index + 1] : $related[0];
          
          if (settings.slideshow) {
            $slideshow.show();
            if (index === total - 1 && !loop && $box.is('.' + prefix + 'Slideshow_on')) {
              $slideshow.click();
            }
          }
          
          // Preloads images within a rel group
          if (settings.preloading) {
            nextSrc = $(next).data(colorbox).href || next.href;
            prevSrc = $(prev).data(colorbox).href || prev.href;
            
            if (isImage(nextSrc)) {
              $('<img/>')[0].src = nextSrc;
            }
            
            if (isImage(prevSrc)) {
              $('<img/>')[0].src = prevSrc;
            }
          }
        }
        
        $loadingOverlay.hide();
        
        if (settings.transition === 'fade') {
          $box.fadeTo(speed, 1, function () {
            defilter();
          });
        } else {
          defilter();
        }
        
        $window.bind('resize.' + prefix, function () {
          publicMethod.position(0);
        });
        
        $.event.trigger(event_complete);
        if (settings.onComplete) {
          settings.onComplete.call(element);
        }
      });
    }
    
    if (settings.transition === 'fade') {
      $box.fadeTo(speed, 0, function () {
        setPosition(0);
      });
    } else {
      setPosition(speed);
    }
  };

  publicMethod.load = function () {
    var href, img, setResize, prep = publicMethod.prep;
    
    active = true;
    
    element = $related[index];
    
    settings = $.extend({}, $(element).data(colorbox));
    
    //convert functions to static values
    process();
    
    $.event.trigger(event_load);
    if (settings.onLoad) {
      settings.onLoad.call(element);
    }
    
    settings.h = settings.height ?
        setSize(settings.height, 'y') - loadedHeight - interfaceHeight :
        settings.innerHeight && setSize(settings.innerHeight, 'y');
    
    settings.w = settings.width ?
        setSize(settings.width, 'x') - loadedWidth - interfaceWidth :
        settings.innerWidth && setSize(settings.innerWidth, 'x');
    
    // Sets the minimum dimensions for use in image scaling
    settings.mw = settings.w;
    settings.mh = settings.h;
    
    // Re-evaluate the minimum width and height based on maxWidth and maxHeight values.
    // If the width or height exceed the maxWidth or maxHeight, use the maximum values instead.
    if (settings.maxWidth) {
      settings.mw = setSize(settings.maxWidth, 'x') - loadedWidth - interfaceWidth;
      settings.mw = settings.w && settings.w < settings.mw ? settings.w : settings.mw;
    }
    if (settings.maxHeight) {
      settings.mh = setSize(settings.maxHeight, 'y') - loadedHeight - interfaceHeight;
      settings.mh = settings.h && settings.h < settings.mh ? settings.h : settings.mh;
    }
    
    href = settings.href;
    
    $loadingOverlay.show();
    
    if (settings.inline) {
      // Inserts an empty placeholder where inline content is being pulled from.
      // An event is bound to put inline content back when ColorBox closes or loads new content.
      $div('InlineTemp').hide().insertBefore($(href)[0]).bind(event_load + ' ' + event_cleanup, function () {
        $(this).replaceWith($loaded.children());
      });
      prep($(href));
    } else if (settings.iframe) {
      // IFrame element won't be added to the DOM until it is ready to be displayed,
      // to avoid problems with DOM-ready JS that might be trying to run in that iframe.
      prep(" ");
    } else if (settings.html) {
      prep(settings.html);
    } else if (isImage(href)) {
      img = new Image();
      img.onload = function () {
        var percent;
        
        img.onload = null;
        img.id = prefix + 'Photo';
        $(img).css({margin: 'auto', border: 'none', display: 'block', cssFloat: 'left'});
        
        if (settings.scalePhotos) {
          setResize = function () {
            img.height -= img.height * percent;
            img.width -= img.width * percent;  
          };
          if (settings.mw && img.width > settings.mw) {
            percent = (img.width - settings.mw) / img.width;
            setResize();
          }
          if (settings.mh && img.height > settings.mh) {
            percent = (img.height - settings.mh) / img.height;
            setResize();
          }
        }
        
        if (settings.h) {
          img.style.marginTop = Math.max(settings.h - img.height, 0) / 2 + 'px';
        }
        
        setTimeout(function () { // Chrome will sometimes report a 0 by 0 size if there isn't pause in execution
          prep(img);
        }, 1);
        
        if ($related[1] && (index < $related.length - 1 || settings.loop)) {
          $(img).css({cursor: 'pointer'}).click(publicMethod.next);
        }
        
        if (isIE) {
          img.style.msInterpolationMode = 'bicubic';
        }
      };
      img.src = href;
    } else {
      $div().appendTo($loadingBay).load(href, function (data, status, xhr) {
        prep(status === 'error' ? 'Request unsuccessful: ' + xhr.statusText : this);
      });
    }
  };

  // Navigates to the next page/image in a set.
  publicMethod.next = function () {
    if (!active) {
      index = index < $related.length - 1 ? index + 1 : 0;
      publicMethod.load();
    }
  };
  
  publicMethod.prev = function () {
    if (!active) {
      index = index ? index - 1 : $related.length - 1;
      publicMethod.load();
    }
  };

  publicMethod.slideshow = function () {
    var stop, timeOut, className = prefix + 'Slideshow_';
    
    $slideshow.bind(event_closed, function () {
      $slideshow.unbind();
      clearTimeout(timeOut);
      $box.removeClass(className + "off " + className + "on");
    });
    
    function start() {
      $slideshow
      .text(settings.slideshowStop)
      .bind(event_complete, function () {
        timeOut = setTimeout(publicMethod.next, settings.slideshowSpeed);
      })
      .bind(event_load, function () {
        clearTimeout(timeOut);  
      }).one("click", function () {
        stop();
      });
      $box.removeClass(className + "off").addClass(className + "on");
    }
    
    stop = function () {
      clearTimeout(timeOut);
      $slideshow
      .text(settings.slideshowStart)
      .unbind(event_complete + ' ' + event_load)
      .one("click", function () {
        start();
        timeOut = setTimeout(publicMethod.next, settings.slideshowSpeed);
      });
      $box.removeClass(className + "on").addClass(className + "off");
    };
    
    if (settings.slideshow && $related[1]) {
      if (settings.slideshowAuto) {
        start();
      } else {
        stop();
      }
    }
  };

  // Note: to use this within an iframe use the following format: parent.$.fn.colorbox.close();
  publicMethod.close = function () {
    if (open) {
      open = false;
      
      $.event.trigger(event_cleanup);
      
      if (settings.onCleanup) {
        settings.onCleanup.call(element);
      }
      
      $window.unbind('.' + prefix + ' .' + event_ie6);
      
      $overlay.fadeTo('fast', 0);
      
      $box.stop().fadeTo('fast', 0, function () {
        $box.find('iframe').attr('src', 'about:blank'); // change the location of the iframe to avoid a problem in IE with flash objects not clearing.
        
        $loaded.remove();
        
        $box.add($overlay).css({'opacity': 1, cursor: 'auto'}).hide();
        
        try {
          bookmark.focus();
        } catch (e) {
          // do nothing
        }
        
        setTimeout(function () {
          $.event.trigger(event_closed);
          if (settings.onClosed) {
            settings.onClosed.call(element);
          }
        }, 1);
      });
    }
  };

  // A method for fetching the current element ColorBox is referencing.
  // returns a jQuery object.
  publicMethod.element = function () {
    return $(element);
  };

  publicMethod.settings = defaults;

  // Initializes ColorBox when the DOM has loaded
  $(publicMethod.init);

}(jQuery, this));