PanelSwaper=function(cfg,type){try{if(cfg==undefined||cfg==null)throw Error('設定參數未定義!');if(cfg.box==undefined||cfg.box==null)throw Error('框架未定義!');this._lock=false;this._pnl=$(cfg.box);this._pages=$(cfg.pageDot);this._currIndex=null;this._speed=cfg.speed||1000;this._duration=cfg.duration||10000;this._autoSwap=true;this._type=type||'0';if(cfg.autoSwap!=undefined&&cfg.autoSwap!=null&&!cfg.autoSwap){this._autoSwap=false;}
if(cfg.nextEl!=undefined&&cfg.nextEl!=null){$(cfg.nextEl).click([this],function(event){event.data[0].next();});}
if(cfg.prevEl!=undefined&&cfg.prevEl!=null){$(cfg.prevEl).click([this],function(event){event.data[0].previous()});}
if(type!=undefined&&type=='1'){if(cfg.item==undefined||cfg.item==null)throw Error('資料物件選擇器未定義!');this._items=$(cfg.item);this.initFader(cfg.start);}
else{if(cfg.width==undefined||!parseInt(cfg.width))throw Error('遮罩寬度未定義!');this._width=parseInt(cfg.width);this._position=cfg.position||'left';this.initSilder(cfg.start);}}
catch(e){alert(e.message);}}
PanelSwaper.prototype.initSilder=function(startPage){var ref=this;var start=(parseInt(startPage)&&parseInt(startPage)<=this._pages.length&&parseInt(startPage)>0?(parseInt(startPage)-1):0);this.activate(start,this._pages[start]);this._pages.each(function(index,el){$(el).click(function(e){ref.activate(index,el);});});if(this._autoSwap&&this._pages.length>1){this.startTimer();this._pnl.hover(function(e){ref.stopTimer();},function(e){ref.startTimer();});$(this._pnl).focusin([this],function(e){e.data[0].stopTimer();});$(this._pnl).focusout([this],function(e){e.data[0].startTimer();});}}
PanelSwaper.prototype.initFader=function(startNum){var ref=this;var start=(parseInt(startNum)&&parseInt(startNum)<=this._pages.length&&parseInt(startNum)>0?(parseInt(startNum)-1):0);this._pages.each(function(index,el){$(el).click(function(e){ref.activate(index,el);});});$(this._items).hide();this.activate(start,this._pages[start]);if(this._autoSwap&&this._pages.length>1){this.startTimer();this._pnl.hover(function(e){ref.stopTimer();},function(e){ref.startTimer();});$(this._pnl).focusin([this],function(e){e.data[0].stopTimer();});$(this._pnl).focusout([this],function(e){e.data[0].startTimer();});}}
PanelSwaper.prototype.activate=function(index,el){if(this._currIndex==index||this._lock)return;this._lock=true;this._pages.each(function(idx,o){if(o===el){if(!$(el).hasClass('selected')){$(el).addClass('selected');}}
else{$(o).removeClass('selected');}});if(this._type==1){this.fadeAction(index);}
else{this.sildeAction(index);}
this._currIndex=index;}
PanelSwaper.prototype.sildeAction=function(index){var obj={},ref=this;obj[this._position]=-(index*this._width);this._pnl.animate(obj,{duration:this._speed,complete:function(){ref._lock=false;}});}
PanelSwaper.prototype.fadeAction=function(index){var ref=this;$(this._items[this._currIndex]).fadeOut(this._speed);$(this._items[index]).fadeIn(this._speed,function(){ref._lock=false;});}
PanelSwaper.prototype.next=function(){var index=(this._currIndex==(this._pages.length-1)?0:(this._currIndex+1));this.activate(index,this._pages[index]);}
PanelSwaper.prototype.previous=function(){var index=(this._currIndex==0?(this._pages.length-1):(this._currIndex-1));this.activate(index,this._pages[index]);}
PanelSwaper.prototype.startTimer=function(){var ref=this;this._run=setTimeout(function(){ref.next();ref.startTimer();},this._duration);}
PanelSwaper.prototype.stopTimer=function(){clearTimeout(this._run);this._run=null;}