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(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 : 1.0 });
if(/MSIE/.test(navigator.userAgent) && !window.opera)
{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) && !window.opera)
Element.setStyle(element, 
{ filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'') +
'alpha(opacity='+value*100+')' }); 
}
};
Element.getInlineOpacity=function(element){ 
return $(element).style.opacity || '';
};
Element.childrenWithClassName=function(element, className, findFirst) {
var classNameRegExp=new RegExp("(^|\\s)" + className + "(\\s|$)");
var results=$A($(element).getElementsByTagName('*'))[findFirst ? 'detect' : 'select']( function(c) { 
return (c.className && c.className.match(classNameRegExp));
});
if(!results) {results=[];}
return results;
};
Element.forceRerendering=function(element) {
try {
element=$(element);
var n=document.createTextNode(' ');
element.appendChild(n);
element.removeChild(n);
} catch(e) { }
};
Array.prototype.call=function() {
var args=arguments;
this.each(function(f){ f.apply(this, args); });
};
var Effect={
_elementDoesNotExistError: {
name: 'ElementDoesNotExistError',
message: 'The specified DOM element does not exist, but is required for this effect to operate'
},
tagifyText: function(element) {
if(typeof Builder == 'undefined')
{throw("Effect.tagifyText requires including script.aculo.us' builder.js library");}
var tagifyStyle='position:relative';
if(/MSIE/.test(navigator.userAgent) && !window.opera) tagifyStyle += ';zoom:1';
element=$(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'), limit: 1 }
}, arguments[2] || {});
Effect[element.visible() ? 
Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
}
};
var Effect2=Effect;
Effect.Transitions={};
Effect.Transitions.linear=Prototype.K;
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;
};
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':
this.effects.findAll(function(e){ return e.state=='idle'}).each( function(e) {
e.startOn += effect.finishOn;
e.finishOn += effect.finishOn;
});
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), 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,
fps: 25.0,
sync: false,
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);
if(!this.element) throw(Effect._elementDoesNotExistError);
if(/MSIE/.test(navigator.userAgent) && !window.opera && (!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();
Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element=$(element);
if(!this.element) throw(Effect._elementDoesNotExistError);
var options=Object.extend({
x: 0,
y: 0,
mode: 'relative'
}, arguments[1] || {});
this.start(options);
},
setup: function() {
this.element.makePositioned();
this.originalLeft=parseFloat(this.element.getStyle('left') || '0');
this.originalTop=parseFloat(this.element.getStyle('top') || '0');
if(this.options.mode == 'absolute') {
this.options.x=this.options.x - this.originalLeft;
this.options.y=this.options.y - this.originalTop;
}
},
update: function(position) {
this.element.setStyle({
left: Math.round(this.options.x * position + this.originalLeft) + 'px',
top: Math.round(this.options.y * position + this.originalTop) + 'px'
});
}
});
Effect.MoveBy=function(element, toTop, toLeft) {
return new Effect.Move(element, 
Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));
};
Effect.Scale=Class.create();
Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
initialize: function(element, percent) {
this.element=$(element);
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=Math.round(width) + 'px';
if(this.options.scaleY) d.height=Math.round(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';
}
}
this.element.setStyle(d);
}
});
Effect.Highlight=Class.create();
Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element=$(element);
if(!this.element) throw(Effect._elementDoesNotExistError);
var options=Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});
this.start(options);
},
setup: function() {
if(this.element.getStyle('display')=='none') { this.cancel(); return; }
this.oldStyle={
backgroundImage: this.element.getStyle('background-image') };
this.element.setStyle({backgroundImage: 'none'});
if(!this.options.endcolor)
this.options.endcolor=this.element.getStyle('background-color').parseColor('#ffffff');
if(!this.options.restorecolor)
this.options.restorecolor=this.element.getStyle('background-color');
this._base=$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: $R(0,2).inject('#',function(m,v,i){
return m+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart()); }.bind(this)) });
},
finish: function() {
this.element.setStyle(Object.extend(this.oldStyle, {backgroundColor: this.options.restorecolor}));
}
});
Effect.ScrollTo=Class.create();
Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {
initialize: function(element) {
this.element=$(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));
}
});
Effect.Fade=function(element) {
element=$(element);
var oldOpacity=element.getInlineOpacity();
var options=Object.extend({
from: element.getOpacity() || 1.0,
to: 0.0,
afterFinishInternal: function(effect) { 
if(effect.options.to!==0) {return;}
effect.element.hide();
effect.element.setStyle({opacity: oldOpacity}); 
}}, arguments[1] || {});
return new Effect.Opacity(element,options);
};
Effect.Appear=function(element) {
element=$(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);
effect.element.show(); 
}}, arguments[1] || {});
return new Effect.Opacity(element,options);
};
Effect.Puff=function(element) {
element=$(element);
var oldStyle={ 
opacity: element.getInlineOpacity(), 
position: element.getStyle('position'),
top: element.style.top,
left: element.style.left,
width: element.style.width,
height: element.style.height
};
return new Effect.Parallel(
[ new Effect.Scale(element, 200, 
{ sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }), 
new Effect.Opacity(element, { sync: true, to: 0.0 } ) ], 
Object.extend({ duration: 1.0, 
beforeSetupInternal: function(effect) {
Position.absolutize(effect.effects[0].element);
},
afterFinishInternal: function(effect) {
effect.effects[0].element.hide();
effect.effects[0].element.setStyle(oldStyle); }
}, arguments[1] || {})
);
};
Effect.BlindUp=function(element) {
element=$(element);
element.makeClipping();
return new Effect.Scale(element, 0,
Object.extend({ scaleContent: false, 
scaleX: false, 
restoreAfterFinish: true,
afterFinishInternal: function(effect) {
effect.element.hide();
effect.element.undoClipping();
} 
}, arguments[1] || {})
);
};
Effect.BlindDown=function(element) {
element=$(element);
var elementDimensions=element.getDimensions();
return new Effect.Scale(element, 100, Object.extend({ 
scaleContent: false, 
scaleX: false,
scaleFrom: 0,
scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
restoreAfterFinish: true,
afterSetup: function(effect) {
effect.element.makeClipping();
effect.element.setStyle({height: '0px'});
effect.element.show(); 
}, 
afterFinishInternal: function(effect) {
effect.element.undoClipping();
}
}, arguments[1] || {}));
};
Effect.SwitchOff=function(element) {
element=$(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();
effect.element.makeClipping();
},
afterFinishInternal: function(effect) {
effect.element.hide();
effect.element.undoClipping();
effect.element.undoPositioned();
effect.element.setStyle({opacity: oldOpacity});
}
});
}
}, arguments[1] || {}));
};
Effect.DropOut=function(element) {
element=$(element);
var oldStyle={
top: element.getStyle('top'),
left: element.getStyle('left'),
opacity: element.getInlineOpacity() };
return new Effect.Parallel(
[ new Effect.Move(element, {x: 0, y: 100, sync: true }), 
new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
Object.extend(
{ duration: 0.5,
beforeSetup: function(effect) {
effect.effects[0].element.makePositioned(); 
},
afterFinishInternal: function(effect) {
effect.effects[0].element.hide();
effect.effects[0].element.undoPositioned();
effect.effects[0].element.setStyle(oldStyle);
} 
}, arguments[1] || {}));
};
Effect.Shake=function(element) {
element=$(element);
var oldStyle={
top: element.getStyle('top'),
left: element.getStyle('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) {
effect.element.undoPositioned();
effect.element.setStyle(oldStyle);
}}); }}); }}); }}); }}); }});
};
Effect.SlideDown=function(element) {
element=$(element);
element.cleanWhitespace();
var oldInnerBottom=$(element.firstChild).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.firstChild.makePositioned();
if(window.opera) {effect.element.setStyle({top: ''});}
effect.element.makeClipping();
effect.element.setStyle({height: '0px'});
effect.element.show(); },
afterUpdateInternal: function(effect) {
effect.element.firstChild.setStyle({bottom:
(effect.dims[0] - effect.element.clientHeight) + 'px' }); 
},
afterFinishInternal: function(effect) {
effect.element.undoClipping(); 
if(/MSIE/.test(navigator.userAgent) && !window.opera){
effect.element.undoPositioned();
effect.element.firstChild.undoPositioned();
}else{
effect.element.firstChild.undoPositioned();
effect.element.undoPositioned();
}
effect.element.firstChild.setStyle({bottom: oldInnerBottom}); }
}, arguments[1] || {})
);
};
Effect.SlideUp=function(element) {
element=$(element);
element.cleanWhitespace();
var oldInnerBottom=$(element.firstChild).getStyle('bottom');
return new Effect.Scale(element, window.opera ? 0 : 1,
Object.extend({ scaleContent: false, 
scaleX: false, 
scaleMode: 'box',
scaleFrom: 100,
restoreAfterFinish: true,
beforeStartInternal: function(effect) {
effect.element.makePositioned();
effect.element.firstChild.makePositioned();
if(window.opera) {effect.element.setStyle({top: ''});}
effect.element.makeClipping();
effect.element.show(); }, 
afterUpdateInternal: function(effect) {
effect.element.firstChild.setStyle({bottom:
(effect.dims[0] - effect.element.clientHeight) + 'px' }); },
afterFinishInternal: function(effect) {
effect.element.hide();
effect.element.undoClipping();
effect.element.firstChild.undoPositioned();
effect.element.undoPositioned();
effect.element.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(effect.element); }, 
afterFinishInternal: function(effect) {
effect.element.hide(effect.element); 
effect.element.undoClipping(effect.element); }
});
};
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();
effect.element.makeClipping();
effect.element.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'});
effect.effects[0].element.show(); 
},
afterFinishInternal: function(effect) {
effect.effects[0].element.undoClipping();
effect.effects[0].element.undoPositioned();
effect.effects[0].element.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();
effect.effects[0].element.makeClipping(); },
afterFinishInternal: function(effect) {
effect.effects[0].element.hide();
effect.effects[0].element.undoClipping();
effect.effects[0].element.undoPositioned();
effect.effects[0].element.setStyle(oldStyle); }
}, options)
);
};
Effect.Pulsate=function(element) {
element=$(element);
var options=arguments[1] || {};
var oldOpacity=element.getInlineOpacity();
var transition=options.transition || Effect.Transitions.sinoidal;
var reverser=function(pos){ return transition(1-Effect.Transitions.pulse(pos)); };
reverser.bind(transition);
return new Effect.Opacity(element, 
Object.extend(Object.extend({ duration: 3.0, from: 0,
afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
}, options), {transition: reverser}));
};
Effect.Fold=function(element) {
element=$(element);
var oldStyle={
top: element.style.top,
left: element.style.left,
width: element.style.width,
height: element.style.height };
Element.makeClipping(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) {
effect.element.hide();
effect.element.undoClipping(); 
effect.element.setStyle(oldStyle);
} });
}}, arguments[1] || {}));
};
['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom',
'collectTextNodes','collectTextNodesIgnoreClass','childrenWithClassName'].each( 
function(f) { Element.Methods[f]=Element[f]; }
);
Element.Methods.visualEffect=function(element, effect, options) {
s=effect.gsub(/_/, '-').camelize();
effect_class=s.charAt(0).toUpperCase() + s.substring(1);
new Effect[effect_class](element, options);
return $(element);
};
Element.addMethods();