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.collectTextNodesIgnoreClass(node, className) : ''));
}).flatten().join('');
};
Element.setContentZoom = function(element, percent) {
element = $(element);
element.setStyle({fontSize: (percent/100) + 'em'}); 
if (Prototype.Browser.WebKit) window.scrollBy(0,0);
return element;
};
Element.getInlineOpacity = function(element){
return $(element).style.opacity || '';
};
Element.forceRerendering = function(element) {
try {
element = $(element);
var n = document.createTextNode(' ');
element.appendChild(n);
element.removeChild(n);
} catch(e) { }
};
var Effect = {
_elementDoesNotExistError: {
name: 'ElementDoesNotExistError',
message: 'The specified DOM element does not exist, but is required for this effect to operate'
},
Transitions: {
linear: Prototype.K,
sinoidal: function(pos) {
return (-Math.cos(pos*Math.PI)/2) + 0.5;
},
reverse: function(pos) {
return 1-pos;
},
flicker: function(pos) {
var pos = ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
return pos > 1 ? 1 : pos;
},
wobble: function(pos) {
return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
},
pulse: function(pos, pulses) { 
pulses = pulses || 5; 
return (
((pos % (1/pulses)) * pulses).round() == 0 ? 
((pos * pulses * 2) - (pos * pulses * 2).floor()) : 
1 - ((pos * pulses * 2) - (pos * pulses * 2).floor())
);
},
spring: function(pos) { 
return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6)); 
},
none: function(pos) {
return 0;
},
full: function(pos) {
return 1;
}
},
DefaultOptions: {
duration: 1.0, 
fps:100, 
sync: false, 
from: 0.0,
to: 1.0,
delay:0.0,
queue:'parallel'
},
tagifyText: function(element) {
var tagifyStyle = 'position:relative';
if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';
element = $(element);
$A(element.childNodes).each( function(child) {
if (child.nodeType==3) {
child.nodeValue.toArray().each( function(character) {
element.insertBefore(
new Element('span', {style: tagifyStyle}).update(
character == ' ' ? String.fromCharCode(160) : character), 
child);
});
Element.remove(child);
}
});
},
multiple: function(element, effect) {
var elements;
if (((typeof element == 'object') || 
Object.isFunction(element)) && 
 (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'), limit: 1 }
}, arguments[2] || { });
Effect[element.visible() ? 
Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
}
};
Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;
Effect.ScopedQueue = Class.create(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 = Object.isString(effect.options.queue) ? 
effect.options.queue : effect.options.queue.position;
switch(position) {
case 'front':
this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
e.startOn+= effect.finishOn;
e.finishOn += effect.finishOn;
});
break;
case 'with-last':
timestamp = this.effects.pluck('startOn').max() || timestamp;
break;
case 'end':
timestamp = this.effects.pluck('finishOn').max() || timestamp;
break;
}
effect.startOn+= timestamp;
effect.finishOn += timestamp;
if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
this.effects.push(effect);
if (!this.interval)
this.interval = setInterval(this.loop.bind(this), 15);
},
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();
for(var i=0, len=this.effects.length;i<len;i++) 
this.effects[i] && this.effects[i].loop(timePos);
}
});
Effect.Queues = {
instances: $H(),
get: function(queueName) {
if (!Object.isString(queueName)) return queueName;
return this.instances.get(queueName) ||
this.instances.set(queueName, new Effect.ScopedQueue());
}
};
Effect.Queue = Effect.Queues.get('global');
Effect.Base = Class.create({
position: null,
start: function(options) {
function codeForEvent(options,eventName){
return (
(options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') +
(options[eventName] ? 'this.options.'+eventName+'(this);' : '')
);
}
if (options && options.transition === false) options.transition = Effect.Transitions.linear;
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.fromToDelta= this.options.to-this.options.from;
this.totalTime= this.finishOn-this.startOn;
this.totalFrames= this.options.fps*this.options.duration;
eval('this.render = function(pos){ '+
'if (this.state=="idle"){this.state="running";'+
codeForEvent(this.options,'beforeSetup')+
(this.setup ? 'this.setup();':'')+ 
codeForEvent(this.options,'afterSetup')+
'};if (this.state=="running"){'+
'pos=this.options.transition(pos)*'+this.fromToDelta+'+'+this.options.from+';'+
'this.position=pos;'+
codeForEvent(this.options,'beforeUpdate')+
(this.update ? 'this.update(pos);':'')+
codeForEvent(this.options,'afterUpdate')+
'}}');
this.event('beforeStart');
if (!this.options.sync)
Effect.Queues.get(Object.isString(this.options.queue) ? 
'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.totalTime,
frame = (pos * this.totalFrames).round();
if (frame > this.currentFrame) {
this.render(pos);
this.currentFrame = frame;
}
}
},
cancel: function() {
if (!this.options.sync)
Effect.Queues.get(Object.isString(this.options.queue) ? 
'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() {
var data = $H();
for(property in this)
if (!Object.isFunction(this[property])) data.set(property, this[property]);
return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
}
});
Effect.Parallel = Class.create(Effect.Base, {
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.Tween = Class.create(Effect.Base, {
initialize: function(object, from, to) {
object = Object.isString(object) ? $(object) : object;
var args = $A(arguments), method = args.last(), 
options = args.length == 5 ? args[3] : null;
this.method = Object.isFunction(method) ? method.bind(object) :
Object.isFunction(object[method]) ? object[method].bind(object) : 
function(value) { object[method] = value };
this.start(Object.extend({ from: from, to: to }, options || { }));
},
update: function(position) {
this.method(position);
}
});
Effect.Event = Class.create(Effect.Base, {
initialize: function() {
this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
},
update: Prototype.emptyFunction
});
Effect.Opacity = Class.create(Effect.Base, {
initialize: function(element) {
this.element = $(element);
if (!this.element) throw(Effect._elementDoesNotExistError);
if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
this.element.setStyle({zoom: 1});
var options = Object.extend({
from: this.element.getOpacity() || 0.0,
to: 1.0
}, arguments[1] || { });
this.start(options);
},
update: function(position) {
this.element.setOpacity(position);
}
});
Effect.Move = Class.create(Effect.Base, {
initialize: function(element) {
this.element = $(element);
if (!this.element) throw(Effect._elementDoesNotExistError);
var options = Object.extend({
x:0,
y:0,
mode: 'relative'
}, arguments[1] || { });
this.start(options);
},
setup: function() {
this.element.makePositioned();
this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
this.originalTop= parseFloat(this.element.getStyle('top')|| '0');
if (this.options.mode == 'absolute') {
this.options.x = this.options.x - this.originalLeft;
this.options.y = this.options.y - this.originalTop;
}
},
update: function(position) {
this.element.setStyle({
left: (this.options.x* position + this.originalLeft).round() + 'px',
top:(this.options.y* position + this.originalTop).round()+ 'px'
});
}
});
Effect.MoveBy = function(element, toTop, toLeft) {
return new Effect.Move(element, 
Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
};
Effect.Scale = Class.create(Effect.Base, {
initialize: function(element, percent) {
this.element = $(element);
if (!this.element) throw(Effect._elementDoesNotExistError);
var options = Object.extend({
scaleX: true,
scaleY: true,
scaleContent: true,
scaleFromCenter: false,
scaleMode: 'box',
scaleFrom: 100.0,
scaleTo: percent
}, arguments[2] || { });
this.start(options);
},
setup: function() {
this.restoreAfterFinish = this.options.restoreAfterFinish || false;
this.elementPositioning = this.element.getStyle('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 = this.element.getStyle('font-size') || '100%';
['em','px','%','pt'].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)
this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
},
finish: function(position) {
if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
},
setDimensions: function(height, width) {
var d = { };
if (this.options.scaleX) d.width = width.round() + 'px';
if (this.options.scaleY) d.height = height.round() + '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';
}
}
this.element.setStyle(d);
}
});
Effect.Highlight = Class.create(Effect.Base, {
initialize: function(element) {
this.element = $(element);
if (!this.element) throw(Effect._elementDoesNotExistError);
var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
this.start(options);
},
setup: function() {
if (this.element.getStyle('display')=='none') { this.cancel(); return; }
this.oldStyle = { };
if (!this.options.keepBackgroundImage) {
this.oldStyle.backgroundImage = this.element.getStyle('background-image');
this.element.setStyle({backgroundImage: 'none'});
}
if (!this.options.endcolor)
this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
if (!this.options.restorecolor)
this.options.restorecolor = this.element.getStyle('background-color');
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) {
this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
},
finish: function() {
this.element.setStyle(Object.extend(this.oldStyle, {
backgroundColor: this.options.restorecolor
}));
}
});
Effect.ScrollTo = function(element) {
var options = arguments[1] || { },
scrollOffsets = document.viewport.getScrollOffsets(),
elementOffsets = $(element).cumulativeOffset(),
max = (window.height || document.body.scrollHeight) - document.viewport.getHeight();
if (options.offset) elementOffsets[1] += options.offset;
return new Effect.Tween(null,
scrollOffsets.top,
elementOffsets[1] > max ? max : elementOffsets[1],
options,
function(p){ scrollTo(scrollOffsets.left, p.round()) }
);
};
Effect.Fade = function(element) {
element = $(element);
var oldOpacity = element.getInlineOpacity();
var options = Object.extend({
from: element.getOpacity() || 1.0,
to: 0.0,
afterFinishInternal: function(effect) { 
if (effect.options.to!=0) return;
effect.element.hide().setStyle({opacity: oldOpacity}); 
}
}, arguments[1] || { });
return new Effect.Opacity(element,options);
};
Effect.Appear = function(element) {
element = $(element);
var options = Object.extend({
from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
to: 1.0,
afterFinishInternal: function(effect) {
effect.element.forceRerendering();
},
beforeSetup: function(effect) {
effect.element.setOpacity(effect.options.from).show(); 
}}, arguments[1] || { });
return new Effect.Opacity(element,options);
};
Effect.Puff = function(element) {
element = $(element);
var oldStyle = { 
opacity: element.getInlineOpacity(), 
position: element.getStyle('position'),
top:element.style.top,
left: element.style.left,
width: element.style.width,
height: element.style.height
};
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) {
Position.absolutize(effect.effects[0].element)
},
afterFinishInternal: function(effect) {
 effect.effects[0].element.hide().setStyle(oldStyle); }
 }, arguments[1] || { })
 );
};
Effect.BlindUp = function(element) {
element = $(element);
element.makeClipping();
return new Effect.Scale(element, 0,
Object.extend({ scaleContent: false, 
scaleX: false, 
restoreAfterFinish: true,
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping();
} 
}, arguments[1] || { })
);
};
Effect.BlindDown = function(element) {
element = $(element);
var elementDimensions = element.getDimensions();
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) {
effect.element.makeClipping().setStyle({height: '0px'}).show(); 
},
afterFinishInternal: function(effect) {
effect.element.undoClipping();
}
}, arguments[1] || { }));
};
Effect.SwitchOff = function(element) {
element = $(element);
var oldOpacity = element.getInlineOpacity();
return new Effect.Appear(element, Object.extend({
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) { 
effect.element.makePositioned().makeClipping();
},
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
}
})
}
}, arguments[1] || { }));
};
Effect.DropOut = function(element) {
element = $(element);
var oldStyle = {
top: element.getStyle('top'),
left: element.getStyle('left'),
opacity: element.getInlineOpacity() };
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) {
effect.effects[0].element.makePositioned(); 
},
afterFinishInternal: function(effect) {
effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
} 
}, arguments[1] || { }));
};
Effect.Shake = function(element) {
element = $(element);
var options = Object.extend({
distance: 20,
duration: 0.5
}, arguments[1] || {});
var distance = parseFloat(options.distance);
var split = parseFloat(options.duration) / 10.0;
var oldStyle = {
top: element.getStyle('top'),
left: element.getStyle('left') };
return new Effect.Move(element,
{ x:distance, y: 0, duration: split, afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x: -distance*2, y: 0, duration: split*2,afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x:distance*2, y: 0, duration: split*2,afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x: -distance*2, y: 0, duration: split*2,afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x:distance*2, y: 0, duration: split*2,afterFinishInternal: function(effect) {
new Effect.Move(effect.element,
{ x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
effect.element.undoPositioned().setStyle(oldStyle);
}}) }}) }}) }}) }}) }});
};
Effect.SlideDown = function(element) {
element = $(element).cleanWhitespace();
var oldInnerBottom = element.down().getStyle('bottom');
var elementDimensions = element.getDimensions();
return new Effect.Scale(element, 100, Object.extend({ 
scaleContent: false, 
scaleX: false, 
scaleFrom: window.opera ? 0 : 1,
scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
restoreAfterFinish: true,
afterSetup: function(effect) {
effect.element.makePositioned();
effect.element.down().makePositioned();
if (window.opera) effect.element.setStyle({top: ''});
effect.element.makeClipping().setStyle({height: '0px'}).show(); 
},
afterUpdateInternal: function(effect) {
effect.element.down().setStyle({bottom:
(effect.dims[0] - effect.element.clientHeight) + 'px' }); 
},
afterFinishInternal: function(effect) {
effect.element.undoClipping().undoPositioned();
effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
}, arguments[1] || { })
);
};
Effect.SlideUp = function(element) {
element = $(element).cleanWhitespace();
var oldInnerBottom = element.down().getStyle('bottom');
var elementDimensions = element.getDimensions();
return new Effect.Scale(element, window.opera ? 0 : 1,
 Object.extend({ scaleContent: false, 
scaleX: false, 
scaleMode: 'box',
scaleFrom: 100,
scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
restoreAfterFinish: true,
afterSetup: function(effect) {
effect.element.makePositioned();
effect.element.down().makePositioned();
if (window.opera) effect.element.setStyle({top: ''});
effect.element.makeClipping().show();
},
afterUpdateInternal: function(effect) {
effect.element.down().setStyle({bottom:
(effect.dims[0] - effect.element.clientHeight) + 'px' });
},
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping().undoPositioned();
effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
}
 }, arguments[1] || { })
);
};
Effect.Squish = function(element) {
return new Effect.Scale(element, window.opera ? 1 : 0, { 
restoreAfterFinish: true,
beforeSetup: function(effect) {
effect.element.makeClipping(); 
},
afterFinishInternal: function(effect) {
effect.element.hide().undoClipping(); 
}
});
};
Effect.Grow = function(element) {
element = $(element);
var options = Object.extend({
direction: 'center',
moveTransition: 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() };
var dims = element.getDimensions();
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) {
effect.element.hide().makeClipping().makePositioned();
},
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) {
 effect.effects[0].element.setStyle({height: '0px'}).show(); 
 },
 afterFinishInternal: function(effect) {
 effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle); 
 }
 }, options)
)
}
});
};
Effect.Shrink = function(element) {
element = $(element);
var options = Object.extend({
direction: 'center',
moveTransition: 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() };
var dims = element.getDimensions();
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) {
 effect.effects[0].element.makePositioned().makeClipping(); 
 },
 afterFinishInternal: function(effect) {
 effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
 }, options)
);
};
Effect.Pulsate = function(element) {
element = $(element);
var options= arguments[1] || { };
var oldOpacity = element.getInlineOpacity();
var transition = options.transition || Effect.Transitions.sinoidal;
var reverser = function(pos){ return transition(1-Effect.Transitions.pulse(pos, options.pulses)) };
reverser.bind(transition);
return new Effect.Opacity(element, 
Object.extend(Object.extend({duration: 2.0, from: 0,
afterFinishInternal: function(effect) { effect.element.setStyle({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();
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) {
effect.element.hide().undoClipping().setStyle(oldStyle);
} });
}}, arguments[1] || { }));
};
Effect.Morph = Class.create(Effect.Base, {
initialize: function(element) {
this.element = $(element);
if (!this.element) throw(Effect._elementDoesNotExistError);
var options = Object.extend({
style: { }
}, arguments[1] || { });
if (!Object.isString(options.style)) this.style = $H(options.style);
else {
if (options.style.include(':'))
this.style = options.style.parseStyle();
else {
this.element.addClassName(options.style);
this.style = $H(this.element.getStyles());
this.element.removeClassName(options.style);
var css = this.element.getStyles();
this.style = this.style.reject(function(style) {
return style.value == css[style.key];
});
options.afterFinishInternal = function(effect) {
effect.element.addClassName(effect.options.style);
effect.transforms.each(function(transform) {
effect.element.style[transform.style] = '';
});
}
}
}
this.start(options);
},
setup: function(){
function parseColor(color){
if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
color = color.parseColor();
return $R(0,2).map(function(i){
return parseInt( color.slice(i*2+1,i*2+3), 16 ) 
});
}
this.transforms = this.style.map(function(pair){
var property = pair[0], value = pair[1], unit = null;
if (value.parseColor('#zzzzzz') != '#zzzzzz') {
value = value.parseColor();
unit= 'color';
} else if (property == 'opacity') {
value = parseFloat(value);
if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
this.element.setStyle({zoom: 1});
} else if (Element.CSS_LENGTH.test(value)) {
var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
value = parseFloat(components[1]);
unit = (components.length == 3) ? components[2] : null;
}
var originalValue = this.element.getStyle(property);
return { 
style: property.camelize(), 
originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0), 
targetValue: unit=='color' ? parseColor(value) : value,
unit: unit
};
}.bind(this)).reject(function(transform){
return (
(transform.originalValue == transform.targetValue) ||
(
transform.unit != 'color' &&
(isNaN(transform.originalValue) || isNaN(transform.targetValue))
)
)
});
},
update: function(position) {
var style = { }, transform, i = this.transforms.length;
while(i--)
style[(transform = this.transforms[i]).style] = 
transform.unit=='color' ? '#'+
(Math.round(transform.originalValue[0]+
(transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
(Math.round(transform.originalValue[1]+
(transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
(Math.round(transform.originalValue[2]+
(transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
(transform.originalValue +
(transform.targetValue - transform.originalValue) * position).toFixed(3) + 
(transform.unit === null ? '' : transform.unit);
this.element.setStyle(style, true);
}
});
Effect.Transform = Class.create({
initialize: function(tracks){
this.tracks= [];
this.options = arguments[1] || { };
this.addTracks(tracks);
},
addTracks: function(tracks){
tracks.each(function(track){
track = $H(track);
var data = track.values().first();
this.tracks.push($H({
ids: track.keys().first(),
effect:Effect.Morph,
options: { style: data }
}));
}.bind(this));
return this;
},
play: function(){
return new Effect.Parallel(
this.tracks.map(function(track){
var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
var elements = [$(ids) || $$(ids)].flatten();
return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
}).flatten(),
this.options
);
}
});
Element.CSS_PROPERTIES = $w(
'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' + 
'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
'fontSize fontWeight height left letterSpacing lineHeight ' +
'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
'right textIndent top width wordSpacing zIndex');
Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
String.__parseStyleElement = document.createElement('div');
String.prototype.parseStyle = function(){
var style, styleRules = $H();
if (Prototype.Browser.WebKit)
style = new Element('div',{style:this}).style;
else {
String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
style = String.__parseStyleElement.childNodes[0].style;
}
Element.CSS_PROPERTIES.each(function(property){
if (style[property]) styleRules.set(property, style[property]); 
});
if (Prototype.Browser.IE && this.include('opacity'))
styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);
return styleRules;
};
if (document.defaultView && document.defaultView.getComputedStyle) {
Element.getStyles = function(element) {
var css = document.defaultView.getComputedStyle($(element), null);
return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
styles[property] = css[property];
return styles;
});
};
} else {
Element.getStyles = function(element) {
element = $(element);
var css = element.currentStyle, styles;
styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
results[property] = css[property];
return results;
});
if (!styles.opacity) styles.opacity = element.getOpacity();
return styles;
};
};
Effect.Methods = {
morph: function(element, style) {
element = $(element);
new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
return element;
},
visualEffect: function(element, effect, options) {
element = $(element)
var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
new Effect[klass](element, options);
return element;
},
highlight: function(element, options) {
element = $(element);
new Effect.Highlight(element, options);
return element;
}
};
$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
'pulsate shake puff squish switchOff dropOut').each(
function(effect) { 
Effect.Methods[effect] = function(element, options){
element = $(element);
Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
return element;
}
}
);
$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each( 
function(f) { Effect.Methods[f] = Element[f]; }
);
Element.addMethods(Effect.Methods);
var Builder = {
NODEMAP: {
AREA: 'map',
CAPTION: 'table',
COL: 'table',
COLGROUP: 'table',
LEGEND: 'fieldset',
OPTGROUP: 'select',
OPTION: 'select',
PARAM: 'object',
TBODY: 'table',
TD: 'table',
TFOOT: 'table',
TH: 'table',
THEAD: 'table',
TR: 'table'
},
node: function(elementName) {
elementName = elementName.toUpperCase();
var parentTag = this.NODEMAP[elementName] || 'div';
var parentElement = document.createElement(parentTag);
try {
parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
} catch(e) {}
var element = parentElement.firstChild || null;
if(element && (element.tagName.toUpperCase() != elementName))
element = element.getElementsByTagName(elementName)[0];
if(!element) element = document.createElement(elementName);
if(!element) return;
if(arguments[1])
if(this._isStringOrNumber(arguments[1]) ||
(arguments[1] instanceof Array) ||
arguments[1].tagName) {
this._children(element, arguments[1]);
} else {
var attrs = this._attributes(arguments[1]);
if(attrs.length) {
try {
parentElement.innerHTML = "<" +elementName + " " +
attrs + "></" + elementName + ">";
} catch(e) {}
element = parentElement.firstChild || null;
if(!element) {
element = document.createElement(elementName);
for(attr in arguments[1]) 
element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
}
if(element.tagName.toUpperCase() != elementName)
element = parentElement.getElementsByTagName(elementName)[0];
}
} 
if(arguments[2])
this._children(element, arguments[2]);
 return element;
},
_text: function(text) {
 return document.createTextNode(text);
},
ATTR_MAP: {
'className': 'class',
'htmlFor': 'for'
},
_attributes: function(attributes) {
var attrs = [];
for(attribute in attributes)
attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) +
'="' + attributes[attribute].toString().escapeHTML().gsub(/"/,'&quot;') + '"');
return attrs.join(" ");
},
_children: function(element, children) {
if(children.tagName) {
element.appendChild(children);
return;
}
if(typeof children=='object') {
children.flatten().each( function(e) {
if(typeof e=='object')
element.appendChild(e)
else
if(Builder._isStringOrNumber(e))
element.appendChild(Builder._text(e));
});
} else
if(Builder._isStringOrNumber(children))
element.appendChild(Builder._text(children));
},
_isStringOrNumber: function(param) {
return(typeof param=='string' || typeof param=='number');
},
build: function(html) {
var element = this.node('div');
$(element).update(html.strip());
return element.down();
},
dump: function(scope) { 
if(typeof scope != 'object' && typeof scope != 'function') scope = window; 
var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
"BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
"FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+
"KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+
"PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+
"TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);
tags.each( function(tag){ 
scope[tag] = function() { 
return Builder.node.apply(Builder, [tag].concat($A(arguments)));
} 
});
}
}
LightboxOptions = Object.extend({
fileLoadingImage:'http://www.abu.com.tw/Blogger/images/lightbox/loading.gif',
fileBottomNavCloseImage: 'http://www.abu.com.tw/Blogger/images/lightbox/closelabel.gif',
overlayOpacity: 0.8,
animate: true,
resizeSpeed: 7,
borderSize: 10,
labelImage: "Image",
labelOf: "of"
}, window.LightboxOptions || {});
var Lightbox = Class.create();
Lightbox.prototype = {
imageArray: [],
activeImage: undefined,
initialize: function() {
this.updateImageList();
this.keyboardAction = this.keyboardAction.bindAsEventListener(this);
if (LightboxOptions.resizeSpeed > 10) LightboxOptions.resizeSpeed = 10;
if (LightboxOptions.resizeSpeed < 1)LightboxOptions.resizeSpeed = 1;
this.resizeDuration = LightboxOptions.animate ? ((11 - LightboxOptions.resizeSpeed) * 0.15) : 0;
this.overlayDuration = LightboxOptions.animate ? 0.2 : 0;
var size = (LightboxOptions.animate ? 250 : 1) + 'px';
var objBody = $$('body')[0];
objBody.appendChild(Builder.node('div',{id:'overlay'}));
objBody.appendChild(Builder.node('div',{id:'lightbox'}, [
Builder.node('div',{id:'outerImageContainer'}, 
Builder.node('div',{id:'imageContainer'}, [
Builder.node('img',{id:'lightboxImage'}), 
Builder.node('div',{id:'hoverNav'}, [
Builder.node('a',{id:'prevLink', href: '#' }),
Builder.node('a',{id:'nextLink', href: '#' })
]),
Builder.node('div',{id:'loading'}, 
Builder.node('a',{id:'loadingLink', href: '#' }, 
Builder.node('img', {src: LightboxOptions.fileLoadingImage})
)
)
])
),
Builder.node('div', {id:'imageDataContainer'},
Builder.node('div',{id:'imageData'}, [
Builder.node('div',{id:'imageDetails'}, [
Builder.node('span',{id:'caption'}),
Builder.node('span',{id:'numberDisplay'})
]),
Builder.node('div',{id:'bottomNav'},
Builder.node('a',{id:'bottomNavClose', href: '#' },
Builder.node('img', { src: LightboxOptions.fileBottomNavCloseImage })
)
)
])
)
]));
$('overlay').hide().observe('click', (function() { this.end(); }).bind(this));
$('lightbox').hide().observe('click', (function(event) { if (event.element().id == 'lightbox') this.end(); }).bind(this));
$('outerImageContainer').setStyle({ width: size, height: size });
$('prevLink').observe('click', (function(event) { event.stop(); this.changeImage(this.activeImage - 1); }).bindAsEventListener(this));
$('nextLink').observe('click', (function(event) { event.stop(); this.changeImage(this.activeImage + 1); }).bindAsEventListener(this));
$('loadingLink').observe('click', (function(event) { event.stop(); this.end(); }).bind(this));
$('bottomNavClose').observe('click', (function(event) { event.stop(); this.end(); }).bind(this));
var th = this;
(function(){
var ids = 
'overlay lightbox outerImageContainer imageContainer lightboxImage hoverNav prevLink nextLink loading loadingLink ' + 
'imageDataContainer imageData imageDetails caption numberDisplay bottomNav bottomNavClose'; 
$w(ids).each(function(id){ th[id] = $(id); });
}).defer();
},
updateImageList: function() { 
this.updateImageList = Prototype.emptyFunction;
document.observe('click', (function(event){
var target = event.findElement('a[rel^=lightbox]') || event.findElement('area[rel^=lightbox]');
if (target) {
event.stop();
this.start(target);
}
}).bind(this));
},
start: function(imageLink) {
$$('select', 'object', 'embed').each(function(node){ node.style.visibility = 'hidden' });
var arrayPageSize = this.getPageSize();
$('overlay').setStyle({ width: arrayPageSize[0] + 'px', height: arrayPageSize[1] + 'px' });
new Effect.Appear(this.overlay, { duration: this.overlayDuration, from: 0.0, to: LightboxOptions.overlayOpacity });
this.imageArray = [];
var imageNum = 0; 
if ((imageLink.rel == 'lightbox')){
this.imageArray.push([imageLink.href, imageLink.title]); 
} else {
this.imageArray = 
$$(imageLink.tagName + '[href][rel="' + imageLink.rel + '"]').
collect(function(anchor){ return [anchor.href, anchor.title]; }).
uniq();
while (this.imageArray[imageNum][0] != imageLink.href) { imageNum++; }
}
var arrayPageScroll = document.viewport.getScrollOffsets();
var lightboxTop = arrayPageScroll[1] + (document.viewport.getHeight() / 10);
var lightboxLeft = arrayPageScroll[0];
this.lightbox.setStyle({ top: lightboxTop + 'px', left: lightboxLeft + 'px' }).show();
this.changeImage(imageNum);
},
changeImage: function(imageNum) { 
this.activeImage = imageNum;
if (LightboxOptions.animate) this.loading.show();
this.lightboxImage.hide();
this.hoverNav.hide();
this.prevLink.hide();
this.nextLink.hide();
this.imageDataContainer.setStyle({opacity: .0001});
this.numberDisplay.hide();
var imgPreloader = new Image();
imgPreloader.onload = (function(){
this.lightboxImage.src = this.imageArray[this.activeImage][0];
this.resizeImageContainer(imgPreloader.width, imgPreloader.height);
}).bind(this);
imgPreloader.src = this.imageArray[this.activeImage][0];
},
resizeImageContainer: function(imgWidth, imgHeight) {
var widthCurrent= this.outerImageContainer.getWidth();
var heightCurrent = this.outerImageContainer.getHeight();
var widthNew= (imgWidth+ LightboxOptions.borderSize * 2);
var heightNew = (imgHeight + LightboxOptions.borderSize * 2);
var xScale = (widthNew/ widthCurrent)* 100;
var yScale = (heightNew / heightCurrent) * 100;
var wDiff = widthCurrent - widthNew;
var hDiff = heightCurrent - heightNew;
if (hDiff != 0) new Effect.Scale(this.outerImageContainer, yScale, {scaleX: false, duration: this.resizeDuration, queue: 'front'}); 
if (wDiff != 0) new Effect.Scale(this.outerImageContainer, xScale, {scaleY: false, duration: this.resizeDuration, delay: this.resizeDuration}); 
var timeout = 0;
if ((hDiff == 0) && (wDiff == 0)){
timeout = 100;
if (Prototype.Browser.IE) timeout = 250; 
}
(function(){
this.prevLink.setStyle({ height: imgHeight + 'px' });
this.nextLink.setStyle({ height: imgHeight + 'px' });
this.imageDataContainer.setStyle({ width: widthNew + 'px' });
this.showImage();
}).bind(this).delay(timeout / 1000);
},
showImage: function(){
this.loading.hide();
new Effect.Appear(this.lightboxImage, { 
duration: this.resizeDuration, 
queue: 'end', 
afterFinish: (function(){ this.updateDetails(); }).bind(this) 
});
this.preloadNeighborImages();
},
updateDetails: function() {
if (this.imageArray[this.activeImage][1] != ""){
this.caption.update(this.imageArray[this.activeImage][1]).show();
}
if (this.imageArray.length > 1){
this.numberDisplay.update( LightboxOptions.labelImage + ' ' + (this.activeImage + 1) + ' ' + LightboxOptions.labelOf + '' + this.imageArray.length).show();
}
new Effect.Parallel(
[ 
new Effect.SlideDown(this.imageDataContainer, { sync: true, duration: this.resizeDuration, from: 0.0, to: 1.0 }), 
new Effect.Appear(this.imageDataContainer, { sync: true, duration: this.resizeDuration }) 
], 
{ 
duration: this.resizeDuration, 
afterFinish: (function() {
var arrayPageSize = this.getPageSize();
this.overlay.setStyle({ height: arrayPageSize[1] + 'px' });
this.updateNav();
}).bind(this)
} 
);
},
updateNav: function() {
this.hoverNav.show(); 
if (this.activeImage > 0) this.prevLink.show();
if (this.activeImage < (this.imageArray.length - 1)) this.nextLink.show();
this.enableKeyboardNav();
},
enableKeyboardNav: function() {
document.observe('keydown', this.keyboardAction); 
},
disableKeyboardNav: function() {
document.stopObserving('keydown', this.keyboardAction); 
},
keyboardAction: function(event) {
var keycode = event.keyCode;
var escapeKey;
if (event.DOM_VK_ESCAPE) {
escapeKey = event.DOM_VK_ESCAPE;
} else {
escapeKey = 27;
}
var key = String.fromCharCode(keycode).toLowerCase();
if (key.match(/x|o|c/) || (keycode == escapeKey)){
this.end();
} else if ((key == 'p') || (keycode == 37)){
if (this.activeImage != 0){
this.disableKeyboardNav();
this.changeImage(this.activeImage - 1);
}
} else if ((key == 'n') || (keycode == 39)){
if (this.activeImage != (this.imageArray.length - 1)){
this.disableKeyboardNav();
this.changeImage(this.activeImage + 1);
}
}
},
preloadNeighborImages: function(){
var preloadNextImage, preloadPrevImage;
if (this.imageArray.length > this.activeImage + 1){
preloadNextImage = new Image();
preloadNextImage.src = this.imageArray[this.activeImage + 1][0];
}
if (this.activeImage > 0){
preloadPrevImage = new Image();
preloadPrevImage.src = this.imageArray[this.activeImage - 1][0];
}
},
end: function() {
this.disableKeyboardNav();
this.lightbox.hide();
new Effect.Fade(this.overlay, { duration: this.overlayDuration });
$$('select', 'object', 'embed').each(function(node){ node.style.visibility = 'visible' });
},
getPageSize: function() {

 var xScroll, yScroll;

if (window.innerHeight && window.scrollMaxY) {
xScroll = window.innerWidth + window.scrollMaxX;
yScroll = window.innerHeight + window.scrollMaxY;
} else if (document.body.scrollHeight > document.body.offsetHeight){
xScroll = document.body.scrollWidth;
yScroll = document.body.scrollHeight;
} else {
xScroll = document.body.offsetWidth;
yScroll = document.body.offsetHeight;
}
var windowWidth, windowHeight;
if (self.innerHeight) {
if(document.documentElement.clientWidth){
windowWidth = document.documentElement.clientWidth; 
} else {
windowWidth = self.innerWidth;
}
windowHeight = self.innerHeight;
} else if (document.documentElement && document.documentElement.clientHeight) {
windowWidth = document.documentElement.clientWidth;
windowHeight = document.documentElement.clientHeight;
} else if (document.body) {
windowWidth = document.body.clientWidth;
windowHeight = document.body.clientHeight;
}
if(yScroll < windowHeight){
pageHeight = windowHeight;
} else { 
pageHeight = yScroll;
}
if(xScroll < windowWidth){
pageWidth = xScroll;
} else {
pageWidth = windowWidth;
}
return [pageWidth,pageHeight];
}
}
document.observe('dom:loaded', function () { new Lightbox(); });