/*
 * FancyBox - jQuery Plugin
 * simple and fancy lightbox alternative
 *
 * Copyright (c) 2009 Janis Skarnelis
 * Examples and documentation at: http://fancybox.net
 *
 * Version: 1.2.5 (03/11/2009)
 * Requires: jQuery v1.3+
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */

;(function($) {
  $.fn.fixPNG = function() {
    return this.each(function () {
      var image = $(this).css('backgroundImage');

      if (image.match(/^url\(["']?(.*\.png)["']?\)$/i)) {
        image = RegExp.$1;
        $(this).css({
          'backgroundImage': 'none',
          'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=" + ($(this).css('backgroundRepeat') == 'no-repeat' ? 'crop' : 'scale') + ", src='" + image + "')"
        }).each(function () {
          var position = $(this).css('position');
          if (position != 'absolute' && position != 'relative')
            $(this).css('position', 'relative');
        });
      }
    });
  };

  var elem, opts, busy = false, imagePreloader = new Image, loadingTimer, loadingFrame = 1, imageRegExp = /\.(jpg|gif|png|bmp|jpeg)(.*)?$/i;
  var ieQuirks = null, IE6 = $.browser.msie && $.browser.version.substr(0,1) == 6 && !window.XMLHttpRequest, oldIE = IE6 || ($.browser.msie && $.browser.version.substr(0,1) == 7);

  $.fn.fancybox = function(o) {
    var settings    = $.extend({}, $.fn.fancybox.defaults, o);
    var matchedGroup  = this;

    function _initialize() {
      elem = this;
      opts = $.extend({}, settings);

      _start();

      return false;
    };

    function _start() {
      if (busy) return;

      if ($.isFunction(opts.callbackOnStart)) {
        opts.callbackOnStart();
      }

      opts.itemArray    = [];
      opts.itemCurrent  = 0;

      if (settings.itemArray.length > 0) {
        opts.itemArray = settings.itemArray;

      } else {
        var item = {};

        if (!elem.rel || elem.rel == '') {
          var item = {href: elem.href, title: elem.title};

          if ($(elem).children("img:first").length) {
            item.orig = $(elem).children("img:first");
          } else {
            item.orig = $(elem);
          }

          if (item.title == '' || typeof item.title == 'undefined') {
            item.title = item.orig.attr('alt');
          }

          opts.itemArray.push( item );

        } else {
          var subGroup = $(matchedGroup).filter("a[rel=" + elem.rel + "]");
          var item = {};

          for (var i = 0; i < subGroup.length; i++) {
            item = {href: subGroup[i].href, title: subGroup[i].title};

            if ($(subGroup[i]).children("img:first").length) {
              item.orig = $(subGroup[i]).children("img:first");
            } else {
              item.orig = $(subGroup[i]);
            }

            if (item.title == '' || typeof item.title == 'undefined') {
              item.title = item.orig.attr('alt');
            }

            opts.itemArray.push( item );
          }
        }
      }

      while ( opts.itemArray[ opts.itemCurrent ].href != elem.href ) {
        opts.itemCurrent++;
      }

      if (opts.overlayShow) {
        if (IE6) {
          $('embed, object, select').css('visibility', 'hidden');
          $("#fancy_overlay").css('height', $(document).height());
        }

        $("#fancy_overlay").css({
          'background-color'  : opts.overlayColor,
          'opacity'      : opts.overlayOpacity
        }).show();
      }

      $(window).bind("resize.fb scroll.fb", $.fn.fancybox.scrollBox);

      _change_item();
    };

    function _change_item() {
      $("#fancy_right, #fancy_left, #fancy_close, #fancy_title").hide();

      var href = opts.itemArray[ opts.itemCurrent ].href;

      if (href.match("iframe") || elem.className.indexOf("iframe") >= 0) {
        $.fn.fancybox.showLoading();
        _set_content('<iframe id="fancy_frame" onload="jQuery.fn.fancybox.showIframe()" name="fancy_iframe' + Math.round(Math.random()*1000) + '" frameborder="0" hspace="0" src="' + href + '"></iframe>', opts.frameWidth, opts.frameHeight);

      } else if (href.match(/#/)) {
        var target = window.location.href.split('#')[0]; target = href.replace(target, ''); target = target.substr(target.indexOf('#'));

        _set_content('<div id="fancy_div">' + $(target).html() + '</div>', opts.frameWidth, opts.frameHeight);

      } else if (href.match(imageRegExp)) {
        imagePreloader = new Image; imagePreloader.src = href;

        if (imagePreloader.complete) {
          _proceed_image();

        } else {
          $.fn.fancybox.showLoading();
          $(imagePreloader).unbind().bind('load', function() {
            $("#fancy_loading").hide();

            _proceed_image();
          });
        }
      } else {
        $.fn.fancybox.showLoading();
        $.get(href, function(data) {
          $("#fancy_loading").hide();
          _set_content( '<div id="fancy_ajax">' + data + '</div>', opts.frameWidth, opts.frameHeight );
        });
      }
    };

    function _proceed_image() {
      var width  = imagePreloader.width;
      var height  = imagePreloader.height;

      var horizontal_space  = (opts.padding * 2) + 40;
      var vertical_space    = (opts.padding * 2) + 60;

      var w = $.fn.fancybox.getViewport();

      if (opts.imageScale && (width > (w[0] - horizontal_space) || height > (w[1] - vertical_space))) {
        var ratio = Math.min(Math.min(w[0] - horizontal_space, width) / width, Math.min(w[1] - vertical_space, height) / height);

        width  = Math.round(ratio * width);
        height  = Math.round(ratio * height);
      }

      _set_content('<img alt="" id="fancy_img" src="' + imagePreloader.src + '" />', width, height);
    };

    function _preload_neighbor_images() {
      if ((opts.itemArray.length -1) > opts.itemCurrent) {
        var href = opts.itemArray[opts.itemCurrent + 1].href;

        if (href.match(imageRegExp)) {
          objNext = new Image();
          objNext.src = href;
        }
      }

      if (opts.itemCurrent > 0) {
        var href = opts.itemArray[opts.itemCurrent -1].href;

        if (href.match(imageRegExp)) {
          objNext = new Image();
          objNext.src = href;
        }
      }
    };

    function _set_content(value, width, height) {
      busy = true;

      var pad = opts.padding;

      if (oldIE || ieQuirks) {
        $("#fancy_content")[0].style.removeExpression("height");
        $("#fancy_content")[0].style.removeExpression("width");
      }

      if (pad > 0) {
        width  += pad * 2;
        height  += pad * 2;

        $("#fancy_content").css({
          'top'    : pad + 'px',
          'right'    : pad + 'px',
          'bottom'  : pad + 'px',
          'left'    : pad + 'px',
          'width'    : 'auto',
          'height'  : 'auto'
        });

        if (oldIE || ieQuirks) {
          $("#fancy_content")[0].style.setExpression('height',  '(this.parentNode.clientHeight - '  + pad * 2 + ')');
          $("#fancy_content")[0].style.setExpression('width',    '(this.parentNode.clientWidth - '  + pad * 2 + ')');
        }
      } else {
        $("#fancy_content").css({
          'top'    : 0,
          'right'    : 0,
          'bottom'  : 0,
          'left'    : 0,
          'width'    : '100%',
          'height'  : '100%'
        });
      }

      if ($("#fancy_outer").is(":visible") && width == $("#fancy_outer").width() && height == $("#fancy_outer").height()) {
        $("#fancy_content").fadeOut('fast', function() {
          $("#fancy_content").empty().append($(value)).fadeIn("normal", function() {
            _finish();
          });
        });

        return;
      }

      var w = $.fn.fancybox.getViewport();

      var itemTop    = (height  + 60) > w[1] ? w[3] : (w[3] + Math.round((w[1] - height  - 60) * 0.5));
      var itemLeft  = (width  + 40) > w[0] ? w[2] : (w[2] + Math.round((w[0] - width  - 40) * 0.5));

      var itemOpts = {
        'left':    itemLeft,
        'top':    itemTop,
        'width':  width + 'px',
        'height':  height + 'px'
      };

      if ($("#fancy_outer").is(":visible")) {
        $("#fancy_content").fadeOut("normal", function() {
          $("#fancy_content").empty();
          $("#fancy_outer").animate(itemOpts, opts.zoomSpeedChange, opts.easingChange, function() {
            $("#fancy_content").append($(value)).fadeIn("normal", function() {
              _finish();
            });
          });
        });

      } else {

        if (opts.zoomSpeedIn > 0 && opts.itemArray[opts.itemCurrent].orig !== undefined) {
          $("#fancy_content").empty().append($(value));

          var orig_item  = opts.itemArray[opts.itemCurrent].orig;
          var orig_pos  = $.fn.fancybox.getPosition(orig_item);

          $("#fancy_outer").css({
            'left':    (orig_pos.left  - 20 - opts.padding) + 'px',
            'top':    (orig_pos.top  - 20 - opts.padding) + 'px',
            'width':  $(orig_item).width() + (opts.padding * 2),
            'height':  $(orig_item).height() + (opts.padding * 2)
          });

          if (opts.zoomOpacity) {
            itemOpts.opacity = 'show';
          }

          $("#fancy_outer").animate(itemOpts, opts.zoomSpeedIn, opts.easingIn, function() {
            _finish();
          });

        } else {

          $("#fancy_content").hide().empty().append($(value)).show();
          $("#fancy_outer").css(itemOpts).fadeIn("normal", function() {
            _finish();
          });
        }
      }
    };

    function _set_navigation() {
      if (opts.itemCurrent != 0) {
        $("#fancy_left, #fancy_left_ico").unbind().bind("click", function(e) {
          e.stopPropagation();

          opts.itemCurrent--;
          _change_item();

          return false;
        });

        $("#fancy_left").show();
      }

      if (opts.itemCurrent != ( opts.itemArray.length -1)) {
        $("#fancy_right, #fancy_right_ico").unbind().bind("click", function(e) {
          e.stopPropagation();

          opts.itemCurrent++;
          _change_item();

          return false;
        });

        $("#fancy_right").show();
      }
    };

    function _finish() {
      if ($.browser.msie) {
        $("#fancy_content")[0].style.removeAttribute('filter');
        $("#fancy_outer")[0].style.removeAttribute('filter');
      }

      _set_navigation();

      _preload_neighbor_images();

      $(document).bind("keydown.fb", function(e) {
        if (e.keyCode == 27 && opts.enableEscapeButton) {
          $.fn.fancybox.close();

        } else if(e.keyCode == 37 && opts.itemCurrent != 0) {
          $(document).unbind("keydown.fb");
          opts.itemCurrent--;
          _change_item();


        } else if(e.keyCode == 39 && opts.itemCurrent != (opts.itemArray.length - 1)) {
          $(document).unbind("keydown.fb");
          opts.itemCurrent++;
          _change_item();
        }
      });

      if (opts.centerOnScroll) {
        $(window).bind("resize.fb scroll.fb", $.fn.fancybox.scrollBox);
      }

      if (opts.hideOnContentClick) {
        $("#fancy_content").click($.fn.fancybox.close);
      }

      if (opts.overlayShow && opts.hideOnOverlayClick) {
        $("#fancy_overlay").bind("click", $.fn.fancybox.close);
      }

      if (opts.showCloseButton) {
        $("#fancy_close").bind("click", $.fn.fancybox.close).show();
      }

      if (opts.showTitle && typeof opts.itemArray[ opts.itemCurrent ].title !== 'undefined' && opts.itemArray[ opts.itemCurrent ].title.length > 0) {
        var pos = $("#fancy_outer").position();

        $('#fancy_title div').text( opts.itemArray[ opts.itemCurrent ].title).html();

        $('#fancy_title').css({
          'top'  : pos.top + $("#fancy_outer").outerHeight() - 32,
          'left'  : pos.left + (($("#fancy_outer").outerWidth() * 0.5) - ($('#fancy_title').width() * 0.5))
        }).show();
      }

      if (opts.overlayShow && IE6) {
        $('embed, object, select', $('#fancy_content')).css('visibility', 'visible');
      }

      if ($.isFunction(opts.callbackOnShow)) {
        opts.callbackOnShow( opts.itemArray[ opts.itemCurrent ] );
      }

      if ($.browser.msie) {
        $("#fancy_outer")[0].style.removeAttribute('filter');
        $("#fancy_content")[0].style.removeAttribute('filter');
      }

      busy = false;
    };

    return this.unbind('click.fb').bind('click.fb', _initialize);
  };

  $.fn.fancybox.scrollBox = function() {
    var w = $.fn.fancybox.getViewport();

    if ($("#fancy_outer").is(':visible')) {
      var ow  = $("#fancy_outer").outerWidth();
      var oh  = $("#fancy_outer").outerHeight();

      var pos  = {
        'top'  : (oh > w[1] ? w[3] : w[3] + Math.round((w[1] - oh) * 0.5)),
        'left'  : (ow > w[0] ? w[2] : w[2] + Math.round((w[0] - ow) * 0.5))
      };

      $("#fancy_outer").css(pos);

      $('#fancy_title').css({
        'top'  : pos.top  + oh - 32,
        'left'  : pos.left  + ((ow * 0.5) - ($('#fancy_title').width() * 0.5))
      });
    }

    if (IE6 && $("#fancy_overlay").is(':visible')) {
      $("#fancy_overlay").css({
        'height' : $(document).height()
      });
    }

    if ($("#fancy_loading").is(':visible')) {
      $("#fancy_loading").css({'left': ((w[0] - 40) * 0.5 + w[2]), 'top': ((w[1] - 40) * 0.5 + w[3])});
    }
  };

  $.fn.fancybox.getNumeric = function(el, prop) {
    return parseInt($.curCSS(el.jquery?el[0]:el,prop,true))||0;
  };

  $.fn.fancybox.getPosition = function(el) {
    var pos = el.offset();

    pos.top  += $.fn.fancybox.getNumeric(el, 'paddingTop');
    pos.top  += $.fn.fancybox.getNumeric(el, 'borderTopWidth');

    pos.left += $.fn.fancybox.getNumeric(el, 'paddingLeft');
    pos.left += $.fn.fancybox.getNumeric(el, 'borderLeftWidth');

    return pos;
  };

  $.fn.fancybox.showIframe = function() {
    $("#fancy_loading").hide();
    $("#fancy_frame").show();
  };

  $.fn.fancybox.getViewport = function() {
    return [$(window).width(), $(window).height(), $(document).scrollLeft(), $(document).scrollTop() ];
  };

  $.fn.fancybox.animateLoading = function() {
    if (!$("#fancy_loading").is(':visible')){
      clearInterval(loadingTimer);
      return;
    }

    $("#fancy_loading > div").css('top', (loadingFrame * -40) + 'px');

    loadingFrame = (loadingFrame + 1) % 12;
  };

  $.fn.fancybox.showLoading = function() {
    clearInterval(loadingTimer);

    var w = $.fn.fancybox.getViewport();

    $("#fancy_loading").css({'left': ((w[0] - 40) * 0.5 + w[2]), 'top': ((w[1] - 40) * 0.5 + w[3])}).show();
    $("#fancy_loading").bind('click', $.fn.fancybox.close);

    loadingTimer = setInterval($.fn.fancybox.animateLoading, 66);
  };

  $.fn.fancybox.close = function() {
    busy = true;

    $(imagePreloader).unbind();

    $(document).unbind("keydown.fb");
    $(window).unbind("resize.fb scroll.fb");

    $("#fancy_overlay, #fancy_content, #fancy_close").unbind();

    $("#fancy_close, #fancy_loading, #fancy_left, #fancy_right, #fancy_title").hide();

    __cleanup = function() {
      if ($("#fancy_overlay").is(':visible')) {
        $("#fancy_overlay").fadeOut("fast");
      }

      $("#fancy_content").empty();

      if (opts.centerOnScroll) {
        $(window).unbind("resize.fb scroll.fb");
      }

      if (IE6) {
        $('embed, object, select').css('visibility', 'visible');
      }

      if ($.isFunction(opts.callbackOnClose)) {
        opts.callbackOnClose();
      }

      busy = false;
    };

    if ($("#fancy_outer").is(":visible") !== false) {
      if (opts.zoomSpeedOut > 0 && opts.itemArray[opts.itemCurrent].orig !== undefined) {
        var orig_item  = opts.itemArray[opts.itemCurrent].orig;
        var orig_pos  = $.fn.fancybox.getPosition(orig_item);

        var itemOpts = {
          'left':    (orig_pos.left  - 20 - opts.padding) + 'px',
          'top':     (orig_pos.top  - 20 - opts.padding) + 'px',
          'width':  $(orig_item).width() + (opts.padding * 2),
          'height':  $(orig_item).height() + (opts.padding * 2)
        };

        if (opts.zoomOpacity) {
          itemOpts.opacity = 'hide';
        }

        $("#fancy_outer").stop(false, true).animate(itemOpts, opts.zoomSpeedOut, opts.easingOut, __cleanup);

      } else {
        $("#fancy_outer").stop(false, true).fadeOut('fast', __cleanup);
      }

    } else {
      __cleanup();
    }

    return false;
  };

  $.fn.fancybox.build = function() {
    var html = '';

    html += '<div id="fancy_overlay"></div>';
    html += '<div id="fancy_loading"><div></div></div>';

    html += '<div id="fancy_outer">';
    html += '<div id="fancy_inner">';

    html += '<div id="fancy_close"></div>';

    html += '<div id="fancy_bg"><div class="fancy_bg" id="fancy_bg_n"></div><div class="fancy_bg" id="fancy_bg_ne"></div><div class="fancy_bg" id="fancy_bg_e"></div><div class="fancy_bg" id="fancy_bg_se"></div><div class="fancy_bg" id="fancy_bg_s"></div><div class="fancy_bg" id="fancy_bg_sw"></div><div class="fancy_bg" id="fancy_bg_w"></div><div class="fancy_bg" id="fancy_bg_nw"></div></div>';

    html += '<a href="javascript:;" id="fancy_left"><span class="fancy_ico" id="fancy_left_ico"></span></a><a href="javascript:;" id="fancy_right"><span class="fancy_ico" id="fancy_right_ico"></span></a>';

    html += '<div id="fancy_content"></div>';

    html += '</div>';
    html += '</div>';

    html += '<div id="fancy_title"></div>';

    $(html).appendTo("body");

    $('<table cellspacing="0" cellpadding="0" border="0"><tr><td class="fancy_title" id="fancy_title_left"></td><td class="fancy_title" id="fancy_title_main"><div></div></td><td class="fancy_title" id="fancy_title_right"></td></tr></table>').appendTo('#fancy_title');

    if ($.browser.msie) {
      $(".fancy_bg").fixPNG();
    }

    if (IE6) {
      $("div#fancy_overlay").css("position", "absolute");
      $("#fancy_loading div, #fancy_close, .fancy_title, .fancy_ico").fixPNG();

      $("#fancy_inner").prepend('<iframe id="fancy_bigIframe" src="javascript:false;" scrolling="no" frameborder="0"></iframe>');

      // Get rid of the 'false' text introduced by the URL of the iframe
      var frameDoc = $('#fancy_bigIframe')[0].contentWindow.document;
      frameDoc.open();
      frameDoc.close();

    }
  };

  $.fn.fancybox.defaults = {
    padding        :  10,
    imageScale      :  true,
    zoomOpacity      :  true,
    zoomSpeedIn      :  0,
    zoomSpeedOut    :  0,
    zoomSpeedChange    :  300,
    easingIn      :  'swing',
    easingOut      :  'swing',
    easingChange    :  'swing',
    frameWidth      :  560,
    frameHeight      :  340,
    overlayShow      :  true,
    overlayOpacity    :  0.3,
    overlayColor    :  '#666',
    enableEscapeButton  :  true,
    showCloseButton    :  true,
    showTitle: false,
    hideOnOverlayClick  :  true,
    hideOnContentClick  :  true,
    centerOnScroll    :  true,
    itemArray      :  [],
    callbackOnStart    :  null,
    callbackOnShow    :  null,
    callbackOnClose    :  null
  };

  $(document).ready(function() {
    ieQuirks = $.browser.msie && !$.boxModel;

    if ($("#fancy_outer").length < 1) {
      $.fn.fancybox.build();
    }
  });

})(jQuery);