First commit

js/effects.js

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+// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+// Contributors:
+//  Justin Palmer (http://encytemedia.com/)
+//  Mark Pilgrim (http://diveintomark.org/)
+//  Martin Bialasinki
+// 
+// See scriptaculous.js for full license.  
+
+/* ------------- element ext -------------- */  
+ 
+// converts rgb() and #xxx to #xxxxxx format,  
+// returns self (or first argument) if not convertable  
+String.prototype.parseColor = function() {  
+  var color = '#';  
+  if(this.slice(0,4) == 'rgb(') {  
+    var cols = this.slice(4,this.length-1).split(',');  
+    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);  
+  } else {  
+    if(this.slice(0,1) == '#') {  
+      if(this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();  
+      if(this.length==7) color = this.toLowerCase();  
+    }  
+  }  
+  return(color.length==7 ? color : (arguments[0] || this));  
+}
+
+Element.collectTextNodes = function(element) {  
+  return $A($(element).childNodes).collect( function(node) {
+    return (node.nodeType==3 ? node.nodeValue : 
+      (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
+  }).flatten().join('');
+}
+
+Element.collectTextNodesIgnoreClass = function(element, className) {  
+  return $A($(element).childNodes).collect( function(node) {
+    return (node.nodeType==3 ? node.nodeValue : 
+      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ? 
+        Element.collectTextNodes(node) : ''));
+  }).flatten().join('');
+}
+
+Element.setStyle = function(element, style) {
+  element = $(element);
+  for(k in style) element.style[k.camelize()] = style[k];
+}
+
+Element.setContentZoom = function(element, percent) {  
+  Element.setStyle(element, {fontSize: (percent/100) + 'em'});   
+  if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);  
+}
+
+Element.getOpacity = function(element){  
+  var opacity;
+  if (opacity = Element.getStyle(element, 'opacity'))  
+    return parseFloat(opacity);  
+  if (opacity = (Element.getStyle(element, 'filter') || '').match(/alpha\(opacity=(.*)\)/))  
+    if(opacity[1]) return parseFloat(opacity[1]) / 100;  
+  return 1.0;  
+}
+
+Element.setOpacity = function(element, value){  
+  element= $(element);  
+  if (value == 1){
+    Element.setStyle(element, { opacity: 
+      (/Gecko/.test(navigator.userAgent) && !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 
+      0.999999 : null });
+    if(/MSIE/.test(navigator.userAgent))  
+      Element.setStyle(element, {filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')});  
+  } else {  
+    if(value < 0.00001) value = 0;  
+    Element.setStyle(element, {opacity: value});
+    if(/MSIE/.test(navigator.userAgent))  
+     Element.setStyle(element, 
+       { filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'') +
+                 'alpha(opacity='+value*100+')' });  
+  }   
+}  
+ 
+Element.getInlineOpacity = function(element){  
+  return $(element).style.opacity || '';
+}  
+
+Element.childrenWithClassName = function(element, className) {  
+  return $A($(element).getElementsByTagName('*')).select(
+    function(c) { return Element.hasClassName(c, className) });
+}
+
+Array.prototype.call = function() {
+  var args = arguments;
+  this.each(function(f){ f.apply(this, args) });
+}
+
+/*--------------------------------------------------------------------------*/
+
+var Effect = {
+  tagifyText: function(element) {
+    var tagifyStyle = 'position:relative';
+    if(/MSIE/.test(navigator.userAgent)) tagifyStyle += ';zoom:1';
+    element = $(element);
+    $A(element.childNodes).each( function(child) {
+      if(child.nodeType==3) {
+        child.nodeValue.toArray().each( function(character) {
+          element.insertBefore(
+            Builder.node('span',{style: tagifyStyle},
+              character == ' ' ? String.fromCharCode(160) : character), 
+              child);
+        });
+        Element.remove(child);
+      }
+    });
+  },
+  multiple: function(element, effect) {
+    var elements;
+    if(((typeof element == 'object') || 
+        (typeof element == 'function')) && 
+       (element.length))
+      elements = element;
+    else
+      elements = $(element).childNodes;
+      
+    var options = Object.extend({
+      speed: 0.1,
+      delay: 0.0
+    }, arguments[2] || {});
+    var masterDelay = options.delay;
+
+    $A(elements).each( function(element, index) {
+      new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
+    });
+  },
+  PAIRS: {
+    'slide':  ['SlideDown','SlideUp'],
+    'blind':  ['BlindDown','BlindUp'],
+    'appear': ['Appear','Fade']
+  },
+  toggle: function(element, effect) {
+    element = $(element);
+    effect = (effect || 'appear').toLowerCase();
+    var options = Object.extend({
+      queue: { position:'end', scope:(element.id || 'global') }
+    }, arguments[2] || {});
+    Effect[Element.visible(element) ? 
+      Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
+  }
+};
+
+var Effect2 = Effect; // deprecated
+
+/* ------------- transitions ------------- */
+
+Effect.Transitions = {}
+
+Effect.Transitions.linear = function(pos) {
+  return pos;
+}
+Effect.Transitions.sinoidal = function(pos) {
+  return (-Math.cos(pos*Math.PI)/2) + 0.5;
+}
+Effect.Transitions.reverse  = function(pos) {
+  return 1-pos;
+}
+Effect.Transitions.flicker = function(pos) {
+  return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
+}
+Effect.Transitions.wobble = function(pos) {
+  return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
+}
+Effect.Transitions.pulse = function(pos) {
+  return (Math.floor(pos*10) % 2 == 0 ? 
+    (pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10)));
+}
+Effect.Transitions.none = function(pos) {
+  return 0;
+}
+Effect.Transitions.full = function(pos) {
+  return 1;
+}
+
+/* ------------- core effects ------------- */
+
+Effect.ScopedQueue = Class.create();
+Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {
+  initialize: function() {
+    this.effects  = [];
+    this.interval = null;
+  },
+  _each: function(iterator) {
+    this.effects._each(iterator);
+  },
+  add: function(effect) {
+    var timestamp = new Date().getTime();
+    
+    var position = (typeof effect.options.queue == 'string') ? 
+      effect.options.queue : effect.options.queue.position;
+    
+    switch(position) {
+      case 'front':
+        // move unstarted effects after this effect  
+        this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
+            e.startOn  += effect.finishOn;
+            e.finishOn += effect.finishOn;
+          });
+        break;
+      case 'end':
+        // start effect after last queued effect has finished
+        timestamp = this.effects.pluck('finishOn').max() || timestamp;
+        break;
+    }
+    
+    effect.startOn  += timestamp;
+    effect.finishOn += timestamp;
+    this.effects.push(effect);
+    if(!this.interval) 
+      this.interval = setInterval(this.loop.bind(this), 40);
+  },
+  remove: function(effect) {
+    this.effects = this.effects.reject(function(e) { return e==effect });
+    if(this.effects.length == 0) {
+      clearInterval(this.interval);
+      this.interval = null;
+    }
+  },
+  loop: function() {
+    var timePos = new Date().getTime();
+    this.effects.invoke('loop', timePos);
+  }
+});
+
+Effect.Queues = {
+  instances: $H(),
+  get: function(queueName) {
+    if(typeof queueName != 'string') return queueName;
+    
+    if(!this.instances[queueName])
+      this.instances[queueName] = new Effect.ScopedQueue();
+      
+    return this.instances[queueName];
+  }
+}
+Effect.Queue = Effect.Queues.get('global');
+
+Effect.DefaultOptions = {
+  transition: Effect.Transitions.sinoidal,
+  duration:   1.0,   // seconds
+  fps:        25.0,  // max. 25fps due to Effect.Queue implementation
+  sync:       false, // true for combining
+  from:       0.0,
+  to:         1.0,
+  delay:      0.0,
+  queue:      'parallel'
+}
+
+Effect.Base = function() {};
+Effect.Base.prototype = {
+  position: null,
+  start: function(options) {
+    this.options      = Object.extend(Object.extend({},Effect.DefaultOptions), options || {});
+    this.currentFrame = 0;
+    this.state        = 'idle';
+    this.startOn      = this.options.delay*1000;
+    this.finishOn     = this.startOn + (this.options.duration*1000);
+    this.event('beforeStart');
+    if(!this.options.sync)
+      Effect.Queues.get(typeof this.options.queue == 'string' ? 
+        'global' : this.options.queue.scope).add(this);
+  },
+  loop: function(timePos) {
+    if(timePos >= this.startOn) {
+      if(timePos >= this.finishOn) {
+        this.render(1.0);
+        this.cancel();
+        this.event('beforeFinish');
+        if(this.finish) this.finish(); 
+        this.event('afterFinish');
+        return;  
+      }
+      var pos   = (timePos - this.startOn) / (this.finishOn - this.startOn);
+      var frame = Math.round(pos * this.options.fps * this.options.duration);
+      if(frame > this.currentFrame) {
+        this.render(pos);
+        this.currentFrame = frame;
+      }
+    }
+  },
+  render: function(pos) {
+    if(this.state == 'idle') {
+      this.state = 'running';
+      this.event('beforeSetup');
+      if(this.setup) this.setup();
+      this.event('afterSetup');
+    }
+    if(this.state == 'running') {
+      if(this.options.transition) pos = this.options.transition(pos);
+      pos *= (this.options.to-this.options.from);
+      pos += this.options.from;
+      this.position = pos;
+      this.event('beforeUpdate');
+      if(this.update) this.update(pos);
+      this.event('afterUpdate');
+    }
+  },
+  cancel: function() {
+    if(!this.options.sync)
+      Effect.Queues.get(typeof this.options.queue == 'string' ? 
+        'global' : this.options.queue.scope).remove(this);
+    this.state = 'finished';
+  },
+  event: function(eventName) {
+    if(this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
+    if(this.options[eventName]) this.options[eventName](this);
+  },
+  inspect: function() {
+    return '#<Effect:' + $H(this).inspect() + ',options:' + $H(this.options).inspect() + '>';
+  }
+}
+
+Effect.Parallel = Class.create();
+Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {
+  initialize: function(effects) {
+    this.effects = effects || [];
+    this.start(arguments[1]);
+  },
+  update: function(position) {
+    this.effects.invoke('render', position);
+  },
+  finish: function(position) {
+    this.effects.each( function(effect) {
+      effect.render(1.0);
+      effect.cancel();
+      effect.event('beforeFinish');
+      if(effect.finish) effect.finish(position);
+      effect.event('afterFinish');
+    });
+  }
+});
+
+Effect.Opacity = Class.create();
+Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
+  initialize: function(element) {
+    this.element = $(element);
+    // make this work on IE on elements without 'layout'
+    if(/MSIE/.test(navigator.userAgent) && (!this.element.hasLayout))
+      Element.setStyle(this.element, {zoom: 1});
+    var options = Object.extend({
+      from: Element.getOpacity(this.element) || 0.0,
+      to:   1.0
+    }, arguments[1] || {});
+    this.start(options);
+  },
+  update: function(position) {
+    Element.setOpacity(this.element, position);
+  }
+});
+
+Effect.Move = Class.create();
+Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
+  initialize: function(element) {
+    this.element = $(element);
+    var options = Object.extend({
+      x:    0,
+      y:    0,
+      mode: 'relative'
+    }, arguments[1] || {});
+    this.start(options);
+  },
+  setup: function() {
+    // Bug in Opera: Opera returns the "real" position of a static element or
+    // relative element that does not have top/left explicitly set.
+    // ==> Always set top and left for position relative elements in your stylesheets 
+    // (to 0 if you do not need them) 
+    Element.makePositioned(this.element);
+    this.originalLeft = parseFloat(Element.getStyle(this.element,'left') || '0');
+    this.originalTop  = parseFloat(Element.getStyle(this.element,'top')  || '0');
+    if(this.options.mode == 'absolute') {
+      // absolute movement, so we need to calc deltaX and deltaY
+      this.options.x = this.options.x - this.originalLeft;
+      this.options.y = this.options.y - this.originalTop;
+    }
+  },
+  update: function(position) {
+    Element.setStyle(this.element, {
+      left: this.options.x  * position + this.originalLeft + 'px',
+      top:  this.options.y  * position + this.originalTop  + 'px'
+    });
+  }
+});
+
+// for backwards compatibility
+Effect.MoveBy = function(element, toTop, toLeft) {
+  return new Effect.Move(element, 
+    Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));
+};
+
+Effect.Scale = Class.create();
+Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
+  initialize: function(element, percent) {
+    this.element = $(element)
+    var options = Object.extend({
+      scaleX: true,
+      scaleY: true,
+      scaleContent: true,
+      scaleFromCenter: false,
+      scaleMode: 'box',        // 'box' or 'contents' or {} with provided values
+      scaleFrom: 100.0,
+      scaleTo:   percent
+    }, arguments[2] || {});
+    this.start(options);
+  },
+  setup: function() {
+    this.restoreAfterFinish = this.options.restoreAfterFinish || false;
+    this.elementPositioning = Element.getStyle(this.element,'position');
+    
+    this.originalStyle = {};
+    ['top','left','width','height','fontSize'].each( function(k) {
+      this.originalStyle[k] = this.element.style[k];
+    }.bind(this));
+      
+    this.originalTop  = this.element.offsetTop;
+    this.originalLeft = this.element.offsetLeft;
+    
+    var fontSize = Element.getStyle(this.element,'font-size') || '100%';
+    ['em','px','%'].each( function(fontSizeType) {
+      if(fontSize.indexOf(fontSizeType)>0) {
+        this.fontSize     = parseFloat(fontSize);
+        this.fontSizeType = fontSizeType;
+      }
+    }.bind(this));
+    
+    this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
+    
+    this.dims = null;
+    if(this.options.scaleMode=='box')
+      this.dims = [this.element.offsetHeight, this.element.offsetWidth];
+    if(/^content/.test(this.options.scaleMode))
+      this.dims = [this.element.scrollHeight, this.element.scrollWidth];
+    if(!this.dims)
+      this.dims = [this.options.scaleMode.originalHeight,
+                   this.options.scaleMode.originalWidth];
+  },
+  update: function(position) {
+    var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
+    if(this.options.scaleContent && this.fontSize)
+      Element.setStyle(this.element, {fontSize: this.fontSize * currentScale + this.fontSizeType });
+    this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
+  },
+  finish: function(position) {
+    if (this.restoreAfterFinish) Element.setStyle(this.element, this.originalStyle);
+  },
+  setDimensions: function(height, width) {
+    var d = {};
+    if(this.options.scaleX) d.width = width + 'px';
+    if(this.options.scaleY) d.height = height + 'px';
+    if(this.options.scaleFromCenter) {
+      var topd  = (height - this.dims[0])/2;
+      var leftd = (width  - this.dims[1])/2;
+      if(this.elementPositioning == 'absolute') {
+        if(this.options.scaleY) d.top = this.originalTop-topd + 'px';
+        if(this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
+      } else {
+        if(this.options.scaleY) d.top = -topd + 'px';
+        if(this.options.scaleX) d.left = -leftd + 'px';
+      }
+    }
+    Element.setStyle(this.element, d);
+  }
+});
+
+Effect.Highlight = Class.create();
+Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
+  initialize: function(element) {
+    this.element = $(element);
+    var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});
+    this.start(options);
+  },
+  setup: function() {
+    // Prevent executing on elements not in the layout flow
+    if(Element.getStyle(this.element, 'display')=='none') { this.cancel(); return; }
+    // Disable background image during the effect
+    this.oldStyle = {
+      backgroundImage: Element.getStyle(this.element, 'background-image') };
+    Element.setStyle(this.element, {backgroundImage: 'none'});
+    if(!this.options.endcolor)
+      this.options.endcolor = Element.getStyle(this.element, 'background-color').parseColor('#ffffff');
+    if(!this.options.restorecolor)
+      this.options.restorecolor = Element.getStyle(this.element, 'background-color');
+    // init color calculations
+    this._base  = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
+    this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));
+  },
+  update: function(position) {
+    Element.setStyle(this.element,{backgroundColor: $R(0,2).inject('#',function(m,v,i){
+      return m+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart()); }.bind(this)) });
+  },
+  finish: function() {
+    Element.setStyle(this.element, Object.extend(this.oldStyle, {
+      backgroundColor: this.options.restorecolor
+    }));
+  }
+});
+
+Effect.ScrollTo = Class.create();
+Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {
+  initialize: function(element) {
+    this.element = $(element);
+    this.start(arguments[1] || {});
+  },
+  setup: function() {
+    Position.prepare();
+    var offsets = Position.cumulativeOffset(this.element);
+    if(this.options.offset) offsets[1] += this.options.offset;
+    var max = window.innerHeight ? 
+      window.height - window.innerHeight :
+      document.body.scrollHeight - 
+        (document.documentElement.clientHeight ? 
+          document.documentElement.clientHeight : document.body.clientHeight);
+    this.scrollStart = Position.deltaY;
+    this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;
+  },
+  update: function(position) {
+    Position.prepare();
+    window.scrollTo(Position.deltaX, 
+      this.scrollStart + (position*this.delta));
+  }
+});
+
+/* ------------- combination effects ------------- */
+
+Effect.Fade = function(element) {
+  var oldOpacity = Element.getInlineOpacity(element);
+  var options = Object.extend({
+  from: Element.getOpacity(element) || 1.0,
+  to:   0.0,
+  afterFinishInternal: function(effect) { with(Element) { 
+    if(effect.options.to!=0) return;
+    hide(effect.element);
+    setStyle(effect.element, {opacity: oldOpacity}); }}
+  }, arguments[1] || {});
+  return new Effect.Opacity(element,options);
+}
+
+Effect.Appear = function(element) {
+  var options = Object.extend({
+  from: (Element.getStyle(element, 'display') == 'none' ? 0.0 : Element.getOpacity(element) || 0.0),
+  to:   1.0,
+  beforeSetup: function(effect) { with(Element) {
+    setOpacity(effect.element, effect.options.from);
+    show(effect.element); }}
+  }, arguments[1] || {});
+  return new Effect.Opacity(element,options);
+}
+
+Effect.Puff = function(element) {
+  element = $(element);
+  var oldStyle = { opacity: Element.getInlineOpacity(element), position: Element.getStyle(element, 'position') };
+  return new Effect.Parallel(
+   [ new Effect.Scale(element, 200, 
+      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }), 
+     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ], 
+     Object.extend({ duration: 1.0, 
+      beforeSetupInternal: function(effect) { with(Element) {
+        setStyle(effect.effects[0].element, {position: 'absolute'}); }},
+      afterFinishInternal: function(effect) { with(Element) {
+         hide(effect.effects[0].element);
+         setStyle(effect.effects[0].element, oldStyle); }}
+     }, arguments[1] || {})
+   );
+}
+
+Effect.BlindUp = function(element) {
+  element = $(element);
+  Element.makeClipping(element);
+  return new Effect.Scale(element, 0, 
+    Object.extend({ scaleContent: false, 
+      scaleX: false, 
+      restoreAfterFinish: true,
+      afterFinishInternal: function(effect) { with(Element) {
+        [hide, undoClipping].call(effect.element); }} 
+    }, arguments[1] || {})
+  );
+}
+
+Effect.BlindDown = function(element) {
+  element = $(element);
+  var oldHeight = Element.getStyle(element, 'height');
+  var elementDimensions = Element.getDimensions(element);
+  return new Effect.Scale(element, 100, 
+    Object.extend({ scaleContent: false, 
+      scaleX: false,
+      scaleFrom: 0,
+      scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
+      restoreAfterFinish: true,
+      afterSetup: function(effect) { with(Element) {
+        makeClipping(effect.element);
+        setStyle(effect.element, {height: '0px'});
+        show(effect.element); 
+      }},  
+      afterFinishInternal: function(effect) { with(Element) {
+        undoClipping(effect.element);
+        setStyle(effect.element, {height: oldHeight});
+      }}
+    }, arguments[1] || {})
+  );
+}
+
+Effect.SwitchOff = function(element) {
+  element = $(element);
+  var oldOpacity = Element.getInlineOpacity(element);
+  return new Effect.Appear(element, { 
+    duration: 0.4,
+    from: 0,
+    transition: Effect.Transitions.flicker,
+    afterFinishInternal: function(effect) {
+      new Effect.Scale(effect.element, 1, { 
+        duration: 0.3, scaleFromCenter: true,
+        scaleX: false, scaleContent: false, restoreAfterFinish: true,
+        beforeSetup: function(effect) { with(Element) {
+          [makePositioned,makeClipping].call(effect.element);
+        }},
+        afterFinishInternal: function(effect) { with(Element) {
+          [hide,undoClipping,undoPositioned].call(effect.element);
+          setStyle(effect.element, {opacity: oldOpacity});
+        }}
+      })
+    }
+  });
+}
+
+Effect.DropOut = function(element) {
+  element = $(element);
+  var oldStyle = {
+    top: Element.getStyle(element, 'top'),
+    left: Element.getStyle(element, 'left'),
+    opacity: Element.getInlineOpacity(element) };
+  return new Effect.Parallel(
+    [ new Effect.Move(element, {x: 0, y: 100, sync: true }), 
+      new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
+    Object.extend(
+      { duration: 0.5,
+        beforeSetup: function(effect) { with(Element) {
+          makePositioned(effect.effects[0].element); }},
+        afterFinishInternal: function(effect) { with(Element) {
+          [hide, undoPositioned].call(effect.effects[0].element);
+          setStyle(effect.effects[0].element, oldStyle); }} 
+      }, arguments[1] || {}));
+}
+
+Effect.Shake = function(element) {
+  element = $(element);
+  var oldStyle = {
+    top: Element.getStyle(element, 'top'),
+    left: Element.getStyle(element, 'left') };
+	  return new Effect.Move(element, 
+	    { x:  20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
+	  new Effect.Move(effect.element,
+	    { x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
+	  new Effect.Move(effect.element,
+	    { x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
+	  new Effect.Move(effect.element,
+	    { x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
+	  new Effect.Move(effect.element,
+	    { x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
+	  new Effect.Move(effect.element,
+	    { x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) { with(Element) {
+        undoPositioned(effect.element);
+        setStyle(effect.element, oldStyle);
+  }}}) }}) }}) }}) }}) }});
+}
+
+Effect.SlideDown = function(element) {
+  element = $(element);
+  Element.cleanWhitespace(element);
+  // SlideDown need to have the content of the element wrapped in a container element with fixed height!
+  var oldInnerBottom = Element.getStyle(element.firstChild, 'bottom');
+  var elementDimensions = Element.getDimensions(element);
+  return new Effect.Scale(element, 100, Object.extend({ 
+    scaleContent: false, 
+    scaleX: false, 
+    scaleFrom: 0,
+    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
+    restoreAfterFinish: true,
+    afterSetup: function(effect) { with(Element) {
+      makePositioned(effect.element);
+      makePositioned(effect.element.firstChild);
+      if(window.opera) setStyle(effect.element, {top: ''});
+      makeClipping(effect.element);
+      setStyle(effect.element, {height: '0px'});
+      show(element); }},
+    afterUpdateInternal: function(effect) { with(Element) {
+      setStyle(effect.element.firstChild, {bottom:
+        (effect.dims[0] - effect.element.clientHeight) + 'px' }); }},
+    afterFinishInternal: function(effect) { with(Element) {
+      undoClipping(effect.element); 
+      undoPositioned(effect.element.firstChild);
+      undoPositioned(effect.element);
+      setStyle(effect.element.firstChild, {bottom: oldInnerBottom}); }}
+    }, arguments[1] || {})
+  );
+}
+  
+Effect.SlideUp = function(element) {
+  element = $(element);
+  Element.cleanWhitespace(element);
+  var oldInnerBottom = Element.getStyle(element.firstChild, 'bottom');
+  return new Effect.Scale(element, 0, 
+   Object.extend({ scaleContent: false, 
+    scaleX: false, 
+    scaleMode: 'box',
+    scaleFrom: 100,
+    restoreAfterFinish: true,
+    beforeStartInternal: function(effect) { with(Element) {
+      makePositioned(effect.element);
+      makePositioned(effect.element.firstChild);
+      if(window.opera) setStyle(effect.element, {top: ''});
+      makeClipping(effect.element);
+      show(element); }},  
+    afterUpdateInternal: function(effect) { with(Element) {
+      setStyle(effect.element.firstChild, {bottom:
+        (effect.dims[0] - effect.element.clientHeight) + 'px' }); }},
+    afterFinishInternal: function(effect) { with(Element) {
+        [hide, undoClipping].call(effect.element); 
+        undoPositioned(effect.element.firstChild);
+        undoPositioned(effect.element);
+        setStyle(effect.element.firstChild, {bottom: oldInnerBottom}); }}
+   }, arguments[1] || {})
+  );
+}
+
+// Bug in opera makes the TD containing this element expand for a instance after finish 
+Effect.Squish = function(element) {
+  return new Effect.Scale(element, window.opera ? 1 : 0, 
+    { restoreAfterFinish: true,
+      beforeSetup: function(effect) { with(Element) {
+        makeClipping(effect.element); }},  
+      afterFinishInternal: function(effect) { with(Element) {
+        hide(effect.element); 
+        undoClipping(effect.element); }}
+  });
+}
+
+Effect.Grow = function(element) {
+  element = $(element);
+  var options = Object.extend({
+    direction: 'center',
+    moveTransistion: Effect.Transitions.sinoidal,
+    scaleTransition: Effect.Transitions.sinoidal,
+    opacityTransition: Effect.Transitions.full
+  }, arguments[1] || {});
+  var oldStyle = {
+    top: element.style.top,
+    left: element.style.left,
+    height: element.style.height,
+    width: element.style.width,
+    opacity: Element.getInlineOpacity(element) };
+
+  var dims = Element.getDimensions(element);    
+  var initialMoveX, initialMoveY;
+  var moveX, moveY;
+  
+  switch (options.direction) {
+    case 'top-left':
+      initialMoveX = initialMoveY = moveX = moveY = 0; 
+      break;
+    case 'top-right':
+      initialMoveX = dims.width;
+      initialMoveY = moveY = 0;
+      moveX = -dims.width;
+      break;
+    case 'bottom-left':
+      initialMoveX = moveX = 0;
+      initialMoveY = dims.height;
+      moveY = -dims.height;
+      break;
+    case 'bottom-right':
+      initialMoveX = dims.width;
+      initialMoveY = dims.height;
+      moveX = -dims.width;
+      moveY = -dims.height;
+      break;
+    case 'center':
+      initialMoveX = dims.width / 2;
+      initialMoveY = dims.height / 2;
+      moveX = -dims.width / 2;
+      moveY = -dims.height / 2;
+      break;
+  }
+  
+  return new Effect.Move(element, {
+    x: initialMoveX,
+    y: initialMoveY,
+    duration: 0.01, 
+    beforeSetup: function(effect) { with(Element) {
+      hide(effect.element);
+      makeClipping(effect.element);
+      makePositioned(effect.element);
+    }},
+    afterFinishInternal: function(effect) {
+      new Effect.Parallel(
+        [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
+          new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
+          new Effect.Scale(effect.element, 100, {
+            scaleMode: { originalHeight: dims.height, originalWidth: dims.width }, 
+            sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
+        ], Object.extend({
+             beforeSetup: function(effect) { with(Element) {
+               setStyle(effect.effects[0].element, {height: '0px'});
+               show(effect.effects[0].element); }},
+             afterFinishInternal: function(effect) { with(Element) {
+               [undoClipping, undoPositioned].call(effect.effects[0].element); 
+               setStyle(effect.effects[0].element, oldStyle); }}
+           }, options)
+      )
+    }
+  });
+}
+
+Effect.Shrink = function(element) {
+  element = $(element);
+  var options = Object.extend({
+    direction: 'center',
+    moveTransistion: Effect.Transitions.sinoidal,
+    scaleTransition: Effect.Transitions.sinoidal,
+    opacityTransition: Effect.Transitions.none
+  }, arguments[1] || {});
+  var oldStyle = {
+    top: element.style.top,
+    left: element.style.left,
+    height: element.style.height,
+    width: element.style.width,
+    opacity: Element.getInlineOpacity(element) };
+
+  var dims = Element.getDimensions(element);
+  var moveX, moveY;
+  
+  switch (options.direction) {
+    case 'top-left':
+      moveX = moveY = 0;
+      break;
+    case 'top-right':
+      moveX = dims.width;
+      moveY = 0;
+      break;
+    case 'bottom-left':
+      moveX = 0;
+      moveY = dims.height;
+      break;
+    case 'bottom-right':
+      moveX = dims.width;
+      moveY = dims.height;
+      break;
+    case 'center':  
+      moveX = dims.width / 2;
+      moveY = dims.height / 2;
+      break;
+  }
+  
+  return new Effect.Parallel(
+    [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
+      new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
+      new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
+    ], Object.extend({            
+         beforeStartInternal: function(effect) { with(Element) {
+           [makePositioned, makeClipping].call(effect.effects[0].element) }},
+         afterFinishInternal: function(effect) { with(Element) {
+           [hide, undoClipping, undoPositioned].call(effect.effects[0].element);
+           setStyle(effect.effects[0].element, oldStyle); }}
+       }, options)
+  );
+}
+
+Effect.Pulsate = function(element) {
+  element = $(element);
+  var options    = arguments[1] || {};
+  var oldOpacity = Element.getInlineOpacity(element);
+  var transition = options.transition || Effect.Transitions.sinoidal;
+  var reverser   = function(pos){ return transition(1-Effect.Transitions.pulse(pos)) };
+  reverser.bind(transition);
+  return new Effect.Opacity(element, 
+    Object.extend(Object.extend({  duration: 3.0, from: 0,
+      afterFinishInternal: function(effect) { Element.setStyle(effect.element, {opacity: oldOpacity}); }
+    }, options), {transition: reverser}));
+}
+
+Effect.Fold = function(element) {
+  element = $(element);
+  var oldStyle = {
+    top: element.style.top,
+    left: element.style.left,
+    width: element.style.width,
+    height: element.style.height };
+  Element.makeClipping(element);
+  return new Effect.Scale(element, 5, Object.extend({   
+    scaleContent: false,
+    scaleX: false,
+    afterFinishInternal: function(effect) {
+    new Effect.Scale(element, 1, { 
+      scaleContent: false, 
+      scaleY: false,
+      afterFinishInternal: function(effect) { with(Element) {
+        [hide, undoClipping].call(effect.element); 
+        setStyle(effect.element, oldStyle);
+      }} });
+  }}, arguments[1] || {}));
+}

js/lightbox.js

@@ -0,0 +1,689 @@
+// -----------------------------------------------------------------------------------
+//
+//	Lightbox v2.02
+//	by Lokesh Dhakar - http://www.huddletogether.com
+//	3/31/06
+//
+//	For more information on this script, visit:
+//	http://huddletogether.com/projects/lightbox2/
+//
+//	Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
+//	
+//	Credit also due to those who have helped, inspired, and made their code available to the public.
+//	Including: Scott Upton(uptonic.com), Peter-Paul Koch(quirksmode.org), Thomas Fuchs(mir.aculo.us), and others.
+//
+//
+// -----------------------------------------------------------------------------------
+/*
+
+	Table of Contents
+	-----------------
+	Configuration
+	Global Variables
+
+	Extending Built-in Objects	
+	- Object.extend(Element)
+	- Array.prototype.removeDuplicates()
+	- Array.prototype.empty()
+
+	Lightbox Class Declaration
+	- initialize()
+	- start()
+	- changeImage()
+	- resizeImageContainer()
+	- showImage()
+	- updateDetails()
+	- updateNav()
+	- enableKeyboardNav()
+	- disableKeyboardNav()
+	- keyboardAction()
+	- preloadNeighborImages()
+	- end()
+	
+	Miscellaneous Functions
+	- getPageScroll()
+	- getPageSize()
+	- getKey()
+	- listenKey()
+	- showSelectBoxes()
+	- hideSelectBoxes()
+	- pause()
+	- initLightbox()
+	
+	Function Calls
+	- addLoadEvent(initLightbox)
+	
+*/
+// -----------------------------------------------------------------------------------
+
+//
+//	Configuration
+//
+var fileLoadingImage = "/images/loading.gif";		
+var fileBottomNavCloseImage = "/images/closelabel.gif";
+
+var resizeSpeed = 7;	// controls the speed of the image resizing (1=slowest and 10=fastest)
+
+var borderSize = 10;	//if you adjust the padding in the CSS, you will need to update this variable
+
+// -----------------------------------------------------------------------------------
+
+//
+//	Global Variables
+//
+var imageArray = new Array;
+var activeImage;
+
+if(resizeSpeed > 10){ resizeSpeed = 10;}
+if(resizeSpeed < 1){ resizeSpeed = 1;}
+resizeDuration = (11 - resizeSpeed) * 0.15;
+
+// -----------------------------------------------------------------------------------
+
+//
+//	Additional methods for Element added by SU, Couloir
+//	- further additions by Lokesh Dhakar (huddletogether.com)
+//
+Object.extend(Element, {
+	getWidth: function(element) {
+	   	element = $(element);
+	   	return element.offsetWidth; 
+	},
+	setWidth: function(element,w) {
+	   	element = $(element);
+    	element.style.width = w +"px";
+	},
+	setHeight: function(element,h) {
+   		element = $(element);
+    	element.style.height = h +"px";
+	},
+	setTop: function(element,t) {
+	   	element = $(element);
+    	element.style.top = t +"px";
+	},
+	setSrc: function(element,src) {
+    	element = $(element);
+    	element.src = src; 
+	},
+	setHref: function(element,href) {
+    	element = $(element);
+    	element.href = href; 
+	},
+	setInnerHTML: function(element,content) {
+		element = $(element);
+		element.innerHTML = content;
+	}
+});
+
+// -----------------------------------------------------------------------------------
+
+//
+//	Extending built-in Array object
+//	- array.removeDuplicates()
+//	- array.empty()
+//
+Array.prototype.removeDuplicates = function () {
+	for(i = 1; i < this.length; i++){
+		if(this[i][0] == this[i-1][0]){
+			this.splice(i,1);
+		}
+	}
+}
+
+// -----------------------------------------------------------------------------------
+
+Array.prototype.empty = function () {
+	for(i = 0; i <= this.length; i++){
+		this.shift();
+	}
+}
+
+// -----------------------------------------------------------------------------------
+
+//
+//	Lightbox Class Declaration
+//	- initialize()
+//	- start()
+//	- changeImage()
+//	- resizeImageContainer()
+//	- showImage()
+//	- updateDetails()
+//	- updateNav()
+//	- enableKeyboardNav()
+//	- disableKeyboardNav()
+//	- keyboardNavAction()
+//	- preloadNeighborImages()
+//	- end()
+//
+//	Structuring of code inspired by Scott Upton (http://www.uptonic.com/)
+//
+var Lightbox = Class.create();
+
+Lightbox.prototype = {
+	
+	// initialize()
+	// Constructor runs on completion of the DOM loading. Loops through anchor tags looking for 
+	// 'lightbox' references and applies onclick events to appropriate links. The 2nd section of
+	// the function inserts html at the bottom of the page which is used to display the shadow 
+	// overlay and the image container.
+	//
+	initialize: function() {	
+		if (!document.getElementsByTagName){ return; }
+		var anchors = document.getElementsByTagName('a');
+
+		// loop through all anchor tags
+		for (var i=0; i<anchors.length; i++){
+			var anchor = anchors[i];
+			
+			var relAttribute = String(anchor.getAttribute('rel'));
+			
+			// use the string.match() method to catch 'lightbox' references in the rel attribute
+			if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))){
+				anchor.onclick = function () {myLightbox.start(this); return false;}
+			}
+		}
+
+		// The rest of this code inserts html at the bottom of the page that looks similar to this:
+		//
+		//	<div id="overlay"></div>
+		//	<div id="lightbox">
+		//		<div id="outerImageContainer">
+		//			<div id="imageContainer">
+		//				<img id="lightboxImage">
+		//				<div style="" id="hoverNav">
+		//					<a href="#" id="prevLink"></a>
+		//					<a href="#" id="nextLink"></a>
+		//				</div>
+		//				<div id="loading">
+		//					<a href="#" id="loadingLink">
+		//						<img src="images/loading.gif">
+		//					</a>
+		//				</div>
+		//			</div>
+		//		</div>
+		//		<div id="imageDataContainer">
+		//			<div id="imageData">
+		//				<div id="imageDetails">
+		//					<span id="caption"></span>
+		//					<span id="numberDisplay"></span>
+		//				</div>
+		//				<div id="bottomNav">
+		//					<a href="#" id="bottomNavClose">
+		//						<img src="images/close.gif">
+		//					</a>
+		//				</div>
+		//			</div>
+		//		</div>
+		//	</div>
+
+
+		var objBody = document.getElementsByTagName("body").item(0);
+		
+		var objOverlay = document.createElement("div");
+		objOverlay.setAttribute('id','overlay');
+		objOverlay.style.display = 'none';
+		objOverlay.onclick = function() { myLightbox.end(); return false; }
+		objBody.appendChild(objOverlay);
+		
+		var objLightbox = document.createElement("div");
+		objLightbox.setAttribute('id','lightbox');
+		objLightbox.style.display = 'none';
+		objBody.appendChild(objLightbox);
+	
+		var objOuterImageContainer = document.createElement("div");
+		objOuterImageContainer.setAttribute('id','outerImageContainer');
+		objLightbox.appendChild(objOuterImageContainer);
+
+		var objImageContainer = document.createElement("div");
+		objImageContainer.setAttribute('id','imageContainer');
+		objOuterImageContainer.appendChild(objImageContainer);
+	
+		var objLightboxImage = document.createElement("img");
+		objLightboxImage.setAttribute('id','lightboxImage');
+		objImageContainer.appendChild(objLightboxImage);
+	
+		var objHoverNav = document.createElement("div");
+		objHoverNav.setAttribute('id','hoverNav');
+		objImageContainer.appendChild(objHoverNav);
+	
+		var objPrevLink = document.createElement("a");
+		objPrevLink.setAttribute('id','prevLink');
+		objPrevLink.setAttribute('href','#');
+		objHoverNav.appendChild(objPrevLink);
+		
+		var objNextLink = document.createElement("a");
+		objNextLink.setAttribute('id','nextLink');
+		objNextLink.setAttribute('href','#');
+		objHoverNav.appendChild(objNextLink);
+	
+		var objLoading = document.createElement("div");
+		objLoading.setAttribute('id','loading');
+		objImageContainer.appendChild(objLoading);
+	
+		var objLoadingLink = document.createElement("a");
+		objLoadingLink.setAttribute('id','loadingLink');
+		objLoadingLink.setAttribute('href','#');
+		objLoadingLink.onclick = function() { myLightbox.end(); return false; }
+		objLoading.appendChild(objLoadingLink);
+	
+		var objLoadingImage = document.createElement("img");
+		objLoadingImage.setAttribute('src', fileLoadingImage);
+		objLoadingLink.appendChild(objLoadingImage);
+
+		var objImageDataContainer = document.createElement("div");
+		objImageDataContainer.setAttribute('id','imageDataContainer');
+		objImageDataContainer.className = 'clearfix';
+		objLightbox.appendChild(objImageDataContainer);
+
+		var objImageData = document.createElement("div");
+		objImageData.setAttribute('id','imageData');
+		objImageDataContainer.appendChild(objImageData);
+	
+		var objImageDetails = document.createElement("div");
+		objImageDetails.setAttribute('id','imageDetails');
+		objImageData.appendChild(objImageDetails);
+	
+		var objCaption = document.createElement("span");
+		objCaption.setAttribute('id','caption');
+		objImageDetails.appendChild(objCaption);
+	
+		var objNumberDisplay = document.createElement("span");
+		objNumberDisplay.setAttribute('id','numberDisplay');
+		objImageDetails.appendChild(objNumberDisplay);
+		
+		var objBottomNav = document.createElement("div");
+		objBottomNav.setAttribute('id','bottomNav');
+		objImageData.appendChild(objBottomNav);
+	
+		var objBottomNavCloseLink = document.createElement("a");
+		objBottomNavCloseLink.setAttribute('id','bottomNavClose');
+		objBottomNavCloseLink.setAttribute('href','#');
+		objBottomNavCloseLink.onclick = function() { myLightbox.end(); return false; }
+		objBottomNav.appendChild(objBottomNavCloseLink);
+	
+		var objBottomNavCloseImage = document.createElement("img");
+		objBottomNavCloseImage.setAttribute('src', fileBottomNavCloseImage);
+		objBottomNavCloseLink.appendChild(objBottomNavCloseImage);
+	},
+	
+	//
+	//	start()
+	//	Display overlay and lightbox. If image is part of a set, add siblings to imageArray.
+	//
+	start: function(imageLink) {	
+
+		hideSelectBoxes();
+
+		// stretch overlay to fill page and fade in
+		var arrayPageSize = getPageSize();
+		Element.setHeight('overlay', arrayPageSize[1]);
+		new Effect.Appear('overlay', { duration: 0.2, from: 0.0, to: 0.8 });
+
+		imageArray = [];
+		imageNum = 0;		
+
+		if (!document.getElementsByTagName){ return; }
+		var anchors = document.getElementsByTagName('a');
+
+		// if image is NOT part of a set..
+		if((imageLink.getAttribute('rel') == 'lightbox')){
+			// add single image to imageArray
+			imageArray.push(new Array(imageLink.getAttribute('href'), imageLink.getAttribute('title')));			
+		} else {
+		// if image is part of a set..
+
+			// loop through anchors, find other images in set, and add them to imageArray
+			for (var i=0; i<anchors.length; i++){
+				var anchor = anchors[i];
+				if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))){
+					imageArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title')));
+				}
+			}
+			imageArray.removeDuplicates();
+			while(imageArray[imageNum][0] != imageLink.getAttribute('href')) { imageNum++;}
+		}
+
+		// calculate top offset for the lightbox and display 
+		var arrayPageSize = getPageSize();
+		var arrayPageScroll = getPageScroll();
+		var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 15);
+
+		Element.setTop('lightbox', lightboxTop);
+		Element.show('lightbox');
+		
+		this.changeImage(imageNum);
+	},
+
+	//
+	//	changeImage()
+	//	Hide most elements and preload image in preparation for resizing image container.
+	//
+	changeImage: function(imageNum) {	
+		
+		activeImage = imageNum;	// update global var
+
+		// hide elements during transition
+		Element.show('loading');
+		Element.hide('lightboxImage');
+		Element.hide('hoverNav');
+		Element.hide('prevLink');
+		Element.hide('nextLink');
+		Element.hide('imageDataContainer');
+		Element.hide('numberDisplay');		
+		
+		imgPreloader = new Image();
+		
+		// once image is preloaded, resize image container
+		imgPreloader.onload=function(){
+			Element.setSrc('lightboxImage', imageArray[activeImage][0]);
+			myLightbox.resizeImageContainer(imgPreloader.width, imgPreloader.height);
+		}
+		imgPreloader.src = imageArray[activeImage][0];
+	},
+
+	//
+	//	resizeImageContainer()
+	//
+	resizeImageContainer: function( imgWidth, imgHeight) {
+
+		// get current height and width
+		this.wCur = Element.getWidth('outerImageContainer');
+		this.hCur = Element.getHeight('outerImageContainer');
+
+		// scalars based on change from old to new
+		this.xScale = ((imgWidth  + (borderSize * 2)) / this.wCur) * 100;
+		this.yScale = ((imgHeight  + (borderSize * 2)) / this.hCur) * 100;
+
+		// calculate size difference between new and old image, and resize if necessary
+		wDiff = (this.wCur - borderSize * 2) - imgWidth;
+		hDiff = (this.hCur - borderSize * 2) - imgHeight;
+
+		if(!( hDiff == 0)){ new Effect.Scale('outerImageContainer', this.yScale, {scaleX: false, duration: resizeDuration, queue: 'front'}); }
+		if(!( wDiff == 0)){ new Effect.Scale('outerImageContainer', this.xScale, {scaleY: false, delay: resizeDuration, duration: resizeDuration}); }
+
+		// if new and old image are same size and no scaling transition is necessary, 
+		// do a quick pause to prevent image flicker.
+		if((hDiff == 0) && (wDiff == 0)){
+			if (navigator.appVersion.indexOf("MSIE")!=-1){ pause(250); } else { pause(100);} 
+		}
+
+		Element.setHeight('prevLink', imgHeight);
+		Element.setHeight('nextLink', imgHeight);
+		Element.setWidth( 'imageDataContainer', imgWidth + (borderSize * 2));
+
+		this.showImage();
+	},
+	
+	//
+	//	showImage()
+	//	Display image and begin preloading neighbors.
+	//
+	showImage: function(){
+		Element.hide('loading');
+		new Effect.Appear('lightboxImage', { duration: 0.5, queue: 'end', afterFinish: function(){	myLightbox.updateDetails(); } });
+		this.preloadNeighborImages();
+	},
+
+	//
+	//	updateDetails()
+	//	Display caption, image number, and bottom nav.
+	//
+	updateDetails: function() {
+	
+		Element.show('caption');
+		Element.setInnerHTML( 'caption', imageArray[activeImage][1]);
+		
+		// if image is part of set display 'Image x of x' 
+		if(imageArray.length > 1){
+			Element.show('numberDisplay');
+			Element.setInnerHTML( 'numberDisplay', "Image " + eval(activeImage + 1) + " of " + imageArray.length);
+		}
+
+		new Effect.Parallel(
+			[ new Effect.SlideDown( 'imageDataContainer', { sync: true, duration: resizeDuration + 0.25, from: 0.0, to: 1.0 }), 
+			  new Effect.Appear('imageDataContainer', { sync: true, duration: 1.0 }) ], 
+			{ duration: 0.65, afterFinish: function() { myLightbox.updateNav();} } 
+		);
+	},
+
+	//
+	//	updateNav()
+	//	Display appropriate previous and next hover navigation.
+	//
+	updateNav: function() {
+
+		Element.show('hoverNav');				
+
+		// if not first image in set, display prev image button
+		if(activeImage != 0){
+			Element.show('prevLink');
+			document.getElementById('prevLink').onclick = function() {
+				myLightbox.changeImage(activeImage - 1); return false;
+			}
+		}
+
+		// if not last image in set, display next image button
+		if(activeImage != (imageArray.length - 1)){
+			Element.show('nextLink');
+			document.getElementById('nextLink').onclick = function() {
+				myLightbox.changeImage(activeImage + 1); return false;
+			}
+		}
+		
+		this.enableKeyboardNav();
+	},
+
+	//
+	//	enableKeyboardNav()
+	//
+	enableKeyboardNav: function() {
+		document.onkeydown = this.keyboardAction; 
+	},
+
+	//
+	//	disableKeyboardNav()
+	//
+	disableKeyboardNav: function() {
+		document.onkeydown = '';
+	},
+
+	//
+	//	keyboardAction()
+	//
+	keyboardAction: function(e) {
+		if (e == null) { // ie
+			keycode = event.keyCode;
+		} else { // mozilla
+			keycode = e.which;
+		}
+
+		key = String.fromCharCode(keycode).toLowerCase();
+		
+		if((key == 'x') || (key == 'o') || (key == 'c')){	// close lightbox
+			myLightbox.end();
+		} else if(key == 'p'){	// display previous image
+			if(activeImage != 0){
+				myLightbox.disableKeyboardNav();
+				myLightbox.changeImage(activeImage - 1);
+			}
+		} else if(key == 'n'){	// display next image
+			if(activeImage != (imageArray.length - 1)){
+				myLightbox.disableKeyboardNav();
+				myLightbox.changeImage(activeImage + 1);
+			}
+		}
+
+
+	},
+
+	//
+	//	preloadNeighborImages()
+	//	Preload previous and next images.
+	//
+	preloadNeighborImages: function(){
+
+		if((imageArray.length - 1) > activeImage){
+			preloadNextImage = new Image();
+			preloadNextImage.src = imageArray[activeImage + 1][0];
+		}
+		if(activeImage > 0){
+			preloadPrevImage = new Image();
+			preloadPrevImage.src = imageArray[activeImage - 1][0];
+		}
+	
+	},
+
+	//
+	//	end()
+	//
+	end: function() {
+		this.disableKeyboardNav();
+		Element.hide('lightbox');
+		new Effect.Fade('overlay', { duration: 0.2});
+		showSelectBoxes();
+	}
+}
+
+// -----------------------------------------------------------------------------------
+
+//
+// getPageScroll()
+// Returns array with x,y page scroll values.
+// Core code from - quirksmode.org
+//
+function getPageScroll(){
+
+	var yScroll;
+
+	if (self.pageYOffset) {
+		yScroll = self.pageYOffset;
+	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
+		yScroll = document.documentElement.scrollTop;
+	} else if (document.body) {// all other Explorers
+		yScroll = document.body.scrollTop;
+	}
+
+	arrayPageScroll = new Array('',yScroll) 
+	return arrayPageScroll;
+}
+
+// -----------------------------------------------------------------------------------
+
+//
+// getPageSize()
+// Returns array with page width, height and window width, height
+// Core code from - quirksmode.org
+// Edit for Firefox by pHaez
+//
+function getPageSize(){
+	
+	var xScroll, yScroll;
+	
+	if (window.innerHeight && window.scrollMaxY) {	
+		xScroll = document.body.scrollWidth;
+		yScroll = window.innerHeight + window.scrollMaxY;
+	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
+		xScroll = document.body.scrollWidth;
+		yScroll = document.body.scrollHeight;
+	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
+		xScroll = document.body.offsetWidth;
+		yScroll = document.body.offsetHeight;
+	}
+	
+	var windowWidth, windowHeight;
+	if (self.innerHeight) {	// all except Explorer
+		windowWidth = self.innerWidth;
+		windowHeight = self.innerHeight;
+	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
+		windowWidth = document.documentElement.clientWidth;
+		windowHeight = document.documentElement.clientHeight;
+	} else if (document.body) { // other Explorers
+		windowWidth = document.body.clientWidth;
+		windowHeight = document.body.clientHeight;
+	}	
+	
+	// for small pages with total height less then height of the viewport
+	if(yScroll < windowHeight){
+		pageHeight = windowHeight;
+	} else { 
+		pageHeight = yScroll;
+	}
+
+	// for small pages with total width less then width of the viewport
+	if(xScroll < windowWidth){	
+		pageWidth = windowWidth;
+	} else {
+		pageWidth = xScroll;
+	}
+
+
+	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
+	return arrayPageSize;
+}
+
+// -----------------------------------------------------------------------------------
+
+//
+// getKey(key)
+// Gets keycode. If 'x' is pressed then it hides the lightbox.
+//
+function getKey(e){
+	if (e == null) { // ie
+		keycode = event.keyCode;
+	} else { // mozilla
+		keycode = e.which;
+	}
+	key = String.fromCharCode(keycode).toLowerCase();
+	
+	if(key == 'x'){
+	}
+}
+
+// -----------------------------------------------------------------------------------
+
+//
+// listenKey()
+//
+function listenKey () {	document.onkeypress = getKey; }
+	
+// ---------------------------------------------------
+
+function showSelectBoxes(){
+	selects = document.getElementsByTagName("select");
+	for (i = 0; i != selects.length; i++) {
+		selects[i].style.visibility = "visible";
+	}
+}
+
+// ---------------------------------------------------
+
+function hideSelectBoxes(){
+	selects = document.getElementsByTagName("select");
+	for (i = 0; i != selects.length; i++) {
+		selects[i].style.visibility = "hidden";
+	}
+}
+
+// ---------------------------------------------------
+
+//
+// pause(numberMillis)
+// Pauses code execution for specified time. Uses busy code, not good.
+// Code from http://www.faqts.com/knowledge_base/view.phtml/aid/1602
+//
+function pause(numberMillis) {
+	var now = new Date();
+	var exitTime = now.getTime() + numberMillis;
+	while (true) {
+		now = new Date();
+		if (now.getTime() > exitTime)
+			return;
+	}
+}
+
+// ---------------------------------------------------
+
+
+
+function initLightbox() { myLightbox = new Lightbox(); }
+Event.observe(window, 'load', initLightbox, false);

js/scriptaculous.js

@@ -0,0 +1,45 @@
+// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+var Scriptaculous = {
+  Version: '1.5.1',
+  require: function(libraryName) {
+    // inserting via DOM fails in Safari 2.0, so brute force approach
+    document.write('<script type="text/javascript" src="'+libraryName+'"></script>');
+  },
+  load: function() {
+    if((typeof Prototype=='undefined') ||
+      parseFloat(Prototype.Version.split(".")[0] + "." +
+                 Prototype.Version.split(".")[1]) < 1.4)
+      throw("script.aculo.us requires the Prototype JavaScript framework >= 1.4.0");
+    
+    $A(document.getElementsByTagName("script")).findAll( function(s) {
+      return (s.src && s.src.match(/scriptaculous\.js(\?.*)?$/))
+    }).each( function(s) {
+      var path = s.src.replace(/scriptaculous\.js(\?.*)?$/,'');
+      var includes = s.src.match(/\?.*load=([a-z,]*)/);
+      (includes ? includes[1] : 'builder,effects,dragdrop,controls,slider').split(',').each(
+       function(include) { Scriptaculous.require(path+include+'.js') });
+    });
+  }
+}
+
+Scriptaculous.load();