https://www.camden.com/media/jQueryEffects.js

1       function jQueryEffectsPlugin(slideshow_obj)  {
2           /* Introduces setting
3           fx: true|false 
4           */
5            oldReplaceSlide = slideshow_obj.prototype.replaceSlide;
6            oldSetBarDisplay = slideshow_obj.prototype.setBarDisplay;
7            fx_enabled = function(sobj)  {
8                return (sobj.settings.fx == null) ? true : sobj.settings.fx;
9            }
10
11            slideshow_obj.prototype.replaceSlide = function(slide)  {
12                if (fx_enabled(this) && this.settings.melt_change && this.not_first_slide)  {
13                    melt_speed = 2000;
14                    $(slide.cached_obj).css('opacity', '0');
15
16                    /*
17                    if (this.not_first_slide == undefined)  {
18                        this.not_first_slide = true;
19                        this.settings.delay += melt_speed / 1000;
20                        $(slide.cached_obj).css('opacity', '1');
21                    }
22                    else
23                    */
24                        $(slide.cached_obj).css('margin-top', -this.settings.height);
25
26                    this.target.img.parentNode.appendChild(slide.cached_obj);
27                    var t = this.target;
28
29                    $(this.target.img).fadeTo(melt_speed, 0, function()  {
30                        t.img.parentNode.replaceChild(slide.cached_obj, t.img);
31                        t.img = slide.cached_obj;
32                        $(slide.cached_obj).css('margin-top', '0');
33                    });
34
35                    $(slide.cached_obj).fadeTo(melt_speed, 1);
36               }
37                else  {
38                    oldReplaceSlide.apply(this, arguments);
39                    if (!fx_enabled(this))
40                        return;
41
42                    var j = $(this.target.img);
43                    j.css('opacity', '0');
44                            
45                    j.fadeTo('normal', 1);
46                }
47            }
48
49           slideshow_obj.prototype.setBarDisplay = function(val)  {
50               //if the ControlBarEvents plugin is not installed, this function has no reason to be
51               if (!oldSetBarDisplay)
52                   return;
53
54                var obj = this;  var args = arguments;
55
56                var finish_func = function()  { oldSetBarDisplay.apply(obj, args)  };
57
58                if (!fx_enabled(this))
59                    return finish_func();
60
61               if (val)
62                   $(this.target.buttons).fadeTo('normal', 1, finish_func);

63                else
64                    $(this.target.buttons).fadeTo('normal', 0, finish_func);
65            };
66       }
67
68       jQueryEffectsPlugin(Slideshow);
69