var fx=new Object();
fx.Base=function(){
};
fx.Base.prototype={setOptions:function(_1){
this.options={duration:500,onComplete:"",transition:fx.sinoidal};
Object.extend(this.options,_1||{});
},step:function(){
var _2=(new Date).getTime();
if(_2>=this.options.duration+this.startTime){
this.now=this.to;
clearInterval(this.timer);
this.timer=null;
if(this.options.onComplete){
setTimeout(this.options.onComplete.bind(this),10);
}
}else{
var _3=(_2-this.startTime)/(this.options.duration);
this.now=this.options.transition(_3)*(this.to-this.from)+this.from;
}
this.increase();
},custom:function(_4,to){
if(this.timer!=null){
return;
}
this.from=_4;
this.to=to;
this.startTime=(new Date).getTime();
this.timer=setInterval(this.step.bind(this),13);
},hide:function(){
this.now=0;
this.increase();
},clearTimer:function(){
clearInterval(this.timer);
this.timer=null;
}};
fx.Layout=Class.create();
fx.Layout.prototype=Object.extend(new fx.Base(),{initialize:function(el,_7){
this.el=$(el);
this.el.style.overflow="hidden";
this.iniWidth=this.el.offsetWidth;
this.iniHeight=this.el.offsetHeight;
this.setOptions(_7);
}});
fx.Height=Class.create();
Object.extend(Object.extend(fx.Height.prototype,fx.Layout.prototype),{increase:function(){
this.el.style.height=this.now+"px";
},toggle:function(){
if(this.el.offsetHeight>0){
this.custom(this.el.offsetHeight,0);
}else{
this.custom(0,this.el.scrollHeight);
}
}});
fx.Width=Class.create();
Object.extend(Object.extend(fx.Width.prototype,fx.Layout.prototype),{increase:function(){
this.el.style.width=this.now+"px";
},toggle:function(){
if(this.el.offsetWidth>0){
this.custom(this.el.offsetWidth,0);
}else{
this.custom(0,this.iniWidth);
}
}});
fx.Opacity=Class.create();
fx.Opacity.prototype=Object.extend(new fx.Base(),{initialize:function(el,_9){
this.el=$(el);
this.now=1;
this.increase();
this.setOptions(_9);
},increase:function(){
if(this.now==1&&(/Firefox/.test(navigator.userAgent))){
this.now=0.9999;
}
this.setOpacity(this.now);
},setOpacity:function(_a){
if(_a==0&&this.el.style.visibility!="hidden"){
this.el.style.visibility="hidden";
}else{
if(this.el.style.visibility!="visible"){
this.el.style.visibility="visible";
}
}
if(window.ActiveXObject){
this.el.style.filter="alpha(opacity="+_a*100+")";
}
this.el.style.opacity=_a;
},toggle:function(){
if(this.now>0){
this.custom(1,0);
}else{
this.custom(0,1);
}
}});
fx.sinoidal=function(_b){
return ((-Math.cos(_b*Math.PI)/2)+0.5);
};
fx.linear=function(_c){
return _c;
};
fx.cubic=function(_d){
return Math.pow(_d,3);
};
fx.circ=function(_e){
return Math.sqrt(_e);
};