/*
 * TBra
 * Copyright(c) 2007, taobao.com.
 * 
 * Taobao JavaScript Framework base on YUI
 * T-Bra or TB-ra whatever you like name it...
 * 
 */

if(!Array.prototype.indexOf){Array.prototype.indexOf=function(obj,fromIndex){if(fromIndex==null){fromIndex=0;}else if(fromIndex<0){fromIndex=Math.max(0,this.length+fromIndex);}
for(var i=fromIndex;i<this.length;i++){if(this[i]===obj)
return i;}
return-1;};}
if(!Array.prototype.lastIndexOf){Array.prototype.lastIndexOf=function(obj,fromIndex){if(fromIndex==null){fromIndex=this.length-1;}else if(fromIndex<0){fromIndex=Math.max(0,this.length+fromIndex);}
for(var i=fromIndex;i>=0;i--){if(this[i]===obj)
return i;}
return-1;};}
if(!Array.prototype.forEach){Array.prototype.forEach=function(f,obj){var l=this.length;for(var i=0;i<l;i++){f.call(obj,this[i],i,this);}};}
if(!Array.prototype.filter){Array.prototype.filter=function(f,obj){var l=this.length;var res=[];for(var i=0;i<l;i++){if(f.call(obj,this[i],i,this)){res.push(this[i]);}}
return res;};}
if(!Array.prototype.map){Array.prototype.map=function(f,obj){var l=this.length;var res=[];for(var i=0;i<l;i++){res.push(f.call(obj,this[i],i,this));}
return res;};}
if(!Array.prototype.some){Array.prototype.some=function(f,obj){var l=this.length;for(var i=0;i<l;i++){if(f.call(obj,this[i],i,this)){return true;}}
return false;};}
if(!Array.prototype.every){Array.prototype.every=function(f,obj){var l=this.length;for(var i=0;i<l;i++){if(!f.call(obj,this[i],i,this)){return false;}}
return true;};}
Array.prototype.contains=function(obj){return this.indexOf(obj)!=-1;};Array.prototype.copy=function(obj){return this.concat();};Array.prototype.insertAt=function(obj,i){this.splice(i,0,obj);};Array.prototype.insertBefore=function(obj,obj2){var i=this.indexOf(obj2);if(i==-1)
this.push(obj);else
this.splice(i,0,obj);};Array.prototype.removeAt=function(i){this.splice(i,1);};Array.prototype.remove=function(obj){var i=this.indexOf(obj);if(i!=-1)
this.splice(i,1);};

TB={};TB.common={getCookie:function(name){var value=document.cookie.match('(?:^|;)\\s*'+name+'=([^;]*)');return value?unescape(value[1]):'';},setCookie:function(name,value,expire,domain,path){value=escape(value);value+=(domain)?'; domain='+domain:'';value+=(path)?"; path="+path:'';if(expire){var date=new Date();date.setTime(date.getTime()+(expire*86400000));value+="; expires="+date.toGMTString();}
document.cookie=name+"="+value;},removeCookie:function(name){setCookie(name,'',-1);},pickDocumentDomain:function(){var da=location.hostname.split('.'),len=da.length;var deep=arguments[0]||(len<3?0:1);if(deep>=len||len-deep<2)
deep=len-2;return da.slice(deep).join('.')+(location.port?':'+location.port:'');},trim:function(str){return str.replace(/(^\s*)|(\s*$)/g,'');},escapeHTML:function(str){var div=document.createElement('div');var text=document.createTextNode(str);div.appendChild(text);return div.innerHTML;},unescapeHTML:function(str){var div=document.createElement('div');div.innerHTML=str.replace(/<\/?[^>]+>/gi,'');return div.childNodes[0]?div.childNodes[0].nodeValue:'';},toArray:function(list,start){var array=[];for(var i=start||0;i<list.length;i++){array[array.length]=list[i];}
return array;},applyConfig:function(obj,config){if(obj&&config&&typeof config=='object'){for(var p in config){if(!YAHOO.lang.hasOwnProperty(obj,p))
obj[p]=config[p];}}
return obj;}};

TB.widget={};TB.widget.SimpleScroll={};TB.widget.SimpleMarquee={};

TB.widget.SimpleTab=new function(){var Y=YAHOO.util;var defConfig={eventType:'click',currentClass:'Current',tabClass:'',autoSwitchToFirst:true,stopEvent:true,delay:0.3};var getImmediateDescendants=function(p){var ret=[];if(!p)return ret;for(var i=0,c=p.childNodes;i<c.length;i++){if(c[i].nodeType==1)
ret[ret.length]=c[i];}
return ret;};this.decorate=function(container,config){container=Y.Dom.get(container);config=TB.common.applyConfig(config||{},defConfig);var tabPanels=getImmediateDescendants(container);var tab=tabPanels.shift(0);var tabTriggerBoxs=tab.getElementsByTagName('li');var tabTriggers,delayTimeId;if(config.tabClass){tabTriggers=Y.Dom.getElementsByClassName(config.tabClass,'*',container);}else{tabTriggers=TB.common.toArray(tab.getElementsByTagName('a'));}
var onSwitchEvent=new Y.CustomEvent("onSwitch",null,false,Y.CustomEvent.FLAT);if(config.onSwitch){onSwitchEvent.subscribe(config.onSwitch);}
var handler={switchTab:function(idx){Y.Dom.setStyle(tabPanels,'display','none');Y.Dom.removeClass(tabTriggerBoxs,config.currentClass);Y.Dom.addClass(tabTriggerBoxs[idx],config.currentClass);Y.Dom.setStyle(tabPanels[idx],'display','block');},subscribeOnSwitch:function(func){onSwitchEvent.subscribe(func);}}
var focusHandler=function(ev){if(delayTimeId)
cacelHandler();var idx=tabTriggers.indexOf(this);handler.switchTab(idx);onSwitchEvent.fire(idx);if(config.stopEvent)
Y.Event.stopEvent(ev);return!config.stopEvent;}
var delayHandler=function(ev){var target=this;delayTimeId=setTimeout(function(){focusHandler.call(target,ev);},config.delay*1000);if(config.stopEvent)
Y.Event.stopEvent(ev);return!config.stopEvent;}
var cacelHandler=function(){clearTimeout(delayTimeId);}
for(var i=0;i<tabTriggers.length;i++){Y.Event.on(tabTriggers[i],'focus',focusHandler);if(config.eventType=='mouse'){Y.Event.on(tabTriggers[i],'mouseover',config.delay?delayHandler:focusHandler);Y.Event.on(tabTriggers[i],'mouseout',cacelHandler);}
else{Y.Event.on(tabTriggers[i],'click',focusHandler);}}
Y.Dom.setStyle(tabPanels,'display','none');if(config.autoSwitchToFirst)
handler.switchTab(0);return handler;}};

(function() {
    var Y = YAHOO.util;
TB.widget.Slide=function(container,config){this.init(container,config);}
TB.widget.Slide.defConfig = { slidesClass: 'Slides', triggersClass: 'SlideTriggers', currentClass: 'Current', eventType: 'click', autoPlayTimeout: 5, disableAutoPlay: false };
TB.widget.Slide.prototype = { 
init: function(container, config) {
    this.container = Y.Dom.get(container);
    this.config = TB.common.applyConfig(config || {}, TB.widget.Slide.defConfig);
    try {
        this.slidesUL = Y.Dom.getElementsByClassName(this.config.slidesClass, 'ul', this.container)[0];
        this.slides = this.slidesUL.getElementsByTagName('li');
    }
    catch (e) { throw new Error("can't find slides!"); }
    this.delayTimeId = null; 
    this.autoPlayTimeId = null;
    this.curSlide = -1;
    this.sliding = false;
    this.pause = false;
    this.onSlide = new Y.CustomEvent("onSlide", this, false, Y.CustomEvent.FLAT);
    if(YAHOO.lang.isFunction(this.config.onSlide)){this.onSlide.subscribe(this.config.onSlide,this,true);}
    this.initSlides();
    this.initTriggers();
if(this.slides.length>0)
    this.play(1);
if (!this.config.disableAutoPlay) { this.autoPlay(); }
},
initTriggers: function() {
var ul = document.createElement('ul');
this.container.appendChild(ul);
for(var i=0;i<this.slides.length;i++){var li=document.createElement('li');li.innerHTML=i+1;ul.appendChild(li);}
ul.className = this.config.triggersClass;
this.triggersUL = ul;
if (this.config.eventType == 'mouse') {
    Y.Event.on(this.triggersUL, 'mouseover', this.mouseHandler, this, true);
    Y.Event.on(this.triggersUL, 'mouseout', function(e) { clearTimeout(this.delayTimeId); }, this, true);
}
else {
    Y.Event.on(this.triggersUL, 'click', this.clickHandler, this, true);
}
},
initSlides: function() {
Y.Event.on(this.slides, 'mouseover', function() { this.pause = true; }, this, true);
Y.Event.on(this.slides, 'mouseout', function() { this.pause = false; }, this, true);
Y.Dom.setStyle(this.slides, 'display', 'none');
},
clickHandler: function(e) {
    var t = Y.Event.getTarget(e);
    var idx = parseInt(t.innerHTML);
    while (t != this.container) {
        if (t.nodeName.toUpperCase() == "LI") {
            if (!this.sliding) {
                this.play(idx, true);}
            break;}
            else { t = t.parentNode; } } 
},
mouseHandler: function(e) {
    var t = Y.Event.getTarget(e);
    var idx = parseInt(t.innerHTML);
    while (t != this.container) {
        if (t.nodeName.toUpperCase() == "LI") {
            var self = this; this.delayTimeId = setTimeout(function() { self.play(idx, true); }, (self.sliding ? .5 : .1) * 1000);
            break;
        }
        else { t = t.parentNode; }
    }
},
play: function(n, flag) {
    n = n - 1;
    if (n == this.curSlide) return;
    var curSlide = this.curSlide >= 0 ? this.curSlide : 0;
    if(flag&&this.autoPlayTimeId)clearInterval(this.autoPlayTimeId);
    var triggersLis = this.triggersUL.getElementsByTagName('li');
    triggersLis[curSlide].className = '';
    triggersLis[n].className = this.config.currentClass;
    this.slide(n);
    this.curSlide = n;
if(flag&&!this.config.disableAutoPlay)
    this.autoPlay();
},
slide: function(n) {
    var curSlide = this.curSlide >= 0 ? this.curSlide : 0;
    this.sliding = true;
    Y.Dom.setStyle(this.slides[curSlide], 'display', 'none');
    Y.Dom.setStyle(this.slides[n], 'display', 'block');
    this.sliding = false; this.onSlide.fire(n);
},
autoPlay: function() {
    var self = this;
    var callback = function() {
    if (!self.pause && !self.sliding) {
        var n = (self.curSlide + 1) % self.slides.length + 1;
        self.play(n, false);
    } 
}
this.autoPlayTimeId = setInterval(callback, this.config.autoPlayTimeout * 1000);
}
}
TB.widget.ScrollSlide=function(container,config){this.init(container,config);}
YAHOO.extend(
TB.widget.ScrollSlide,
TB.widget.Slide,
{ initSlides: function() {
    TB.widget.ScrollSlide.superclass.initSlides.call(this);
    Y.Dom.setStyle(this.slides, 'display', '');},
slide: function(n) {
    var curSlide = this.curSlide >= 0 ? this.curSlide : 0;
    var args = { scroll: { by: [0, this.slidesUL.offsetHeight * (n - curSlide)]} };
    var anim = new Y.Scroll(this.slidesUL, args, .5, Y.Easing.easeOutStrong);
    anim.onComplete.subscribe(function() { this.sliding = false; this.onSlide.fire(n); }, this, true);
    anim.animate();
    this.sliding = true;}
}
);//extend
TB.widget.FadeSlide=function(container,config){this.init(container,config);}
YAHOO.extend(
TB.widget.FadeSlide,
TB.widget.Slide,
{ initSlides: function() {
    TB.widget.FadeSlide.superclass.initSlides.call(this);
    Y.Dom.setStyle(this.slides, 'position', 'absolute');
    Y.Dom.setStyle(this.slides, 'top', this.config.slideOffsetY || 0);
    Y.Dom.setStyle(this.slides, 'left', this.config.slideOffsetX || 0);
    Y.Dom.setStyle(this.slides, 'z-index', 1);
},
slide: function(n) {
if (this.curSlide == -1) { Y.Dom.setStyle(this.slides[n], 'display', 'block'); }
else {
    var curSlideLi = this.slides[this.curSlide];
    Y.Dom.setStyle(curSlideLi, 'display', 'block'); 
    Y.Dom.setStyle(curSlideLi, 'z-index', 10);
    var fade = new Y.Anim(curSlideLi, { opacity: { to: 0} }, .5, Y.Easing.easeNone);
    fade.onComplete.subscribe(function() {
        Y.Dom.setStyle(curSlideLi, 'z-index', 1);
        Y.Dom.setStyle(curSlideLi, 'display', 'none');
        Y.Dom.setStyle(curSlideLi, 'opacity', 1);
        this.sliding = false; this.onSlide.fire(n);
    }, this, true);
    Y.Dom.setStyle(this.slides[n], 'display', 'block');
    fade.animate();
    this.sliding = true;
}//else
}//slide:
}//initSlidesÇ°Ãæ
);//extend
})();
TB.widget.SimpleSlide = new function() {
this.decorate = function(container, config) {
    if (!container) return;
    config = config || {};
    if (config.effect == 'scroll') {
        if (navigator.product && navigator.product == 'Gecko') {
            if (YAHOO.util.Dom.get(container).getElementsByTagName('iframe').length > 0) {
                new TB.widget.Slide(container, config);
                return;
            }
                 }
                 new TB.widget.ScrollSlide(container, config);
             }
else if(config.effect=='fade'){new TB.widget.FadeSlide(container,config);}
else { new TB.widget.Slide(container, config); }
}
}//SimpleSlide