var sina={$:function(objName){if(document.getElementById){return eval('document.getElementById("'+objName+'")')}else{return eval('document.all.'+objName)}},isIE:navigator.appVersion.indexOf("MSIE")!=-1?true:false,addEvent:function(l,i,I){if(l.attachEvent){l.attachEvent("on"+i,I)}else{l.addEventListener(i,I,false)}},delEvent:function(l,i,I){if(l.detachEvent){l.detachEvent("on"+i,I)}else{l.removeEventListener(i,I,false)}},readCookie:function(O){var o="",l=O+"=";if(document.cookie.length>0){var i=document.cookie.indexOf(l);if(i!=-1){i+=l.length;var I=document.cookie.indexOf(";",i);if(I==-1)I=document.cookie.length;o=unescape(document.cookie.substring(i,I))}};return o},writeCookie:function(i,l,o,c){var O="",I="";if(o!=null){O=new Date((new Date).getTime()+o*3600000);O="; expires="+O.toGMTString()};if(c!=null){I=";domain="+c};document.cookie=i+"="+escape(l)+O+I},readStyle:function(I,l){if(I.style[l]){return I.style[l]}else if(I.currentStyle){return I.currentStyle[l]}else if(document.defaultView&&document.defaultView.getComputedStyle){var i=document.defaultView.getComputedStyle(I,null);return i.getPropertyValue(l)}else{return null}}};

//滚动图片构造函数
//UI&UE Dept. mengjia
//080623
function ScrollPic(scrollContId,arrLeftId,arrRightId,dotListId){this.scrollContId=scrollContId;this.arrLeftId=arrLeftId;this.arrRightId=arrRightId;this.dotListId=dotListId;this.dotClassName="dotItem";this.dotOnClassName="dotItemOn";this.dotObjArr=[];this.pageWidth=0;this.frameWidth=0;this.speed=10;this.space=10;this.pageIndex=0;this.autoPlay=true;this.autoPlayTime=5;var _autoTimeObj,_scrollTimeObj,_state="ready";this.stripDiv=document.createElement("DIV");this.listDiv01=document.createElement("DIV");this.listDiv02=document.createElement("DIV");if(!ScrollPic.childs){ScrollPic.childs=[]};this.ID=ScrollPic.childs.length;ScrollPic.childs.push(this);this.initialize=function(){if(!this.scrollContId){throw new Error("必须指定scrollContId.");return};this.scrollContDiv=sina.$(this.scrollContId);if(!this.scrollContDiv){throw new Error("scrollContId不是正确的对象.(scrollContId = \""+this.scrollContId+"\")");return};this.scrollContDiv.style.width=this.frameWidth+"px";this.scrollContDiv.style.overflow="hidden";this.listDiv01.innerHTML=this.listDiv02.innerHTML=this.scrollContDiv.innerHTML;this.scrollContDiv.innerHTML="";this.scrollContDiv.appendChild(this.stripDiv);this.stripDiv.appendChild(this.listDiv01);this.stripDiv.appendChild(this.listDiv02);this.stripDiv.style.overflow="hidden";this.stripDiv.style.zoom="1";this.stripDiv.style.width="32766px";this.listDiv01.style.cssFloat="left";this.listDiv02.style.cssFloat="left";sina.addEvent(this.scrollContDiv,"mouseover",Function("ScrollPic.childs["+this.ID+"].stop()"));sina.addEvent(this.scrollContDiv,"mouseout",Function("ScrollPic.childs["+this.ID+"].play()"));if(this.arrLeftId){this.arrLeftObj=sina.$(this.arrLeftId);if(this.arrLeftObj){sina.addEvent(this.arrLeftObj,"mousedown",Function("ScrollPic.childs["+this.ID+"].rightMouseDown()"));sina.addEvent(this.arrLeftObj,"mouseup",Function("ScrollPic.childs["+this.ID+"].rightEnd()"));sina.addEvent(this.arrLeftObj,"mouseout",Function("ScrollPic.childs["+this.ID+"].rightEnd()"))}};if(this.arrRightId){this.arrRightObj=sina.$(this.arrRightId);if(this.arrRightObj){sina.addEvent(this.arrRightObj,"mousedown",Function("ScrollPic.childs["+this.ID+"].leftMouseDown()"));sina.addEvent(this.arrRightObj,"mouseup",Function("ScrollPic.childs["+this.ID+"].leftEnd()"));sina.addEvent(this.arrRightObj,"mouseout",Function("ScrollPic.childs["+this.ID+"].leftEnd()"))}};if(this.dotListId){this.dotListObj=sina.$(this.dotListId);if(this.dotListObj){var pages=Math.round(this.listDiv01.offsetWidth/this.frameWidth+0.4),i,tempObj;for(i=0;i<pages;i++){tempObj=document.createElement("span");this.dotListObj.appendChild(tempObj);this.dotObjArr.push(tempObj);if(i==this.pageIndex){tempObj.className=this.dotClassName}else{tempObj.className=this.dotOnClassName};tempObj.title="第"+(i+1)+"页";sina.addEvent(tempObj,"click",Function("ScrollPic.childs["+this.ID+"].pageTo("+i+")"))}}};if(this.autoPlay){this.play()}};this.leftMouseDown=function(){if(_state!="ready"){return};_state="floating";_scrollTimeObj=setInterval("ScrollPic.childs["+this.ID+"].moveLeft()",this.speed)};this.rightMouseDown=function(){if(_state!="ready"){return};_state="floating";_scrollTimeObj=setInterval("ScrollPic.childs["+this.ID+"].moveRight()",this.speed)};this.moveLeft=function(){if(this.scrollContDiv.scrollLeft+this.space>=this.listDiv01.scrollWidth){this.scrollContDiv.scrollLeft=this.scrollContDiv.scrollLeft+this.space-this.listDiv01.scrollWidth}else{this.scrollContDiv.scrollLeft+=this.space};this.accountPageIndex()};this.moveRight=function(){if(this.scrollContDiv.scrollLeft-this.space<=0){this.scrollContDiv.scrollLeft=this.listDiv01.scrollWidth+this.scrollContDiv.scrollLeft-this.space}else{this.scrollContDiv.scrollLeft-=this.space};this.accountPageIndex()};this.leftEnd=function(){if(_state!="floating"){return};_state="stoping";clearInterval(_scrollTimeObj);var fill=this.pageWidth-this.scrollContDiv.scrollLeft%this.pageWidth;this.move(fill)};this.rightEnd=function(){if(_state!="floating"){return};_state="stoping";clearInterval(_scrollTimeObj);var fill=-this.scrollContDiv.scrollLeft%this.pageWidth;this.move(fill)};this.move=function(num,quick){var thisMove=num/5;if(!quick){if(thisMove>this.space){thisMove=this.space};if(thisMove<-this.space){thisMove=-this.space}};if(Math.abs(thisMove)<1&&thisMove!=0){thisMove=thisMove>=0?1:-1}else{thisMove=Math.round(thisMove)};var temp=this.scrollContDiv.scrollLeft+thisMove;if(thisMove>0){if(this.scrollContDiv.scrollLeft+thisMove>=this.listDiv01.scrollWidth){this.scrollContDiv.scrollLeft=this.scrollContDiv.scrollLeft+thisMove-this.listDiv01.scrollWidth}else{this.scrollContDiv.scrollLeft+=thisMove}}else{if(this.scrollContDiv.scrollLeft-thisMove<=0){this.scrollContDiv.scrollLeft=this.listDiv01.scrollWidth+this.scrollContDiv.scrollLeft-thisMove}else{this.scrollContDiv.scrollLeft+=thisMove}};num-=thisMove;if(Math.abs(num)==0){_state="ready";if(this.autoPlay){this.play()};this.accountPageIndex();return}else{this.accountPageIndex();setTimeout("ScrollPic.childs["+this.ID+"].move("+num+","+quick+")",this.speed)}};this.next=function(){if(_state!="ready"){return};_state="stoping";this.move(this.pageWidth,true)};this.play=function(){if(!this.autoPlay){return};clearInterval(_autoTimeObj);_autoTimeObj=setInterval("ScrollPic.childs["+this.ID+"].next()",this.autoPlayTime*1000)};this.stop=function(){clearInterval(_autoTimeObj)};this.pageTo=function(num){if(_state!="ready"){return};_state="stoping";var fill=num*this.frameWidth-this.scrollContDiv.scrollLeft;this.move(fill,true)};this.accountPageIndex=function(){this.pageIndex=Math.round(this.scrollContDiv.scrollLeft/this.frameWidth);if(this.pageIndex>Math.round(this.listDiv01.offsetWidth/this.frameWidth+0.4)-1){this.pageIndex=0};var i;for(i=0;i<this.dotObjArr.length;i++){if(i==this.pageIndex){this.dotObjArr[i].className=this.dotClassName}else{this.dotObjArr[i].className=this.dotOnClassName}}}};







var $ = function (id) {
	return "string" == typeof id ? document.getElementById(id) : id;
};

var Class = {
  create: function() {
	return function() {
	  this.initialize.apply(this, arguments);
	}
  }
}

Object.extend = function(destination, source) {
	for (var property in source) {
		destination[property] = source[property];
	}
	return destination;
}

var TransformView = Class.create();
TransformView.prototype = {
  //容器对象,滑动对象,切换参数,切换数量
  initialize: function(container, slider, parameter, count, options) {
	if(parameter <= 0 || count <= 0) return;
	var oContainer = $(container), oSlider = $(slider), oThis = this;

	this.Index = 0;//当前索引
	
	this._timer = null;//定时器
	this._slider = oSlider;//滑动对象
	this._parameter = parameter;//切换参数
	this._count = count || 0;//切换数量
	this._target = 0;//目标参数
	
	this.SetOptions(options);
	
	this.Up = !!this.options.Up;
	this.Step = Math.abs(this.options.Step);
	this.Time = Math.abs(this.options.Time);
	this.Auto = !!this.options.Auto;
	this.Pause = Math.abs(this.options.Pause);
	this.onStart = this.options.onStart;
	this.onFinish = this.options.onFinish;
	
	oContainer.style.overflow = "hidden";
	oContainer.style.position = "relative";
	
	oSlider.style.position = "absolute";
	oSlider.style.top = oSlider.style.left = 0;
  },
  //设置默认属性
  SetOptions: function(options) {
	this.options = {//默认值
		Up:			true,//是否向上(否则向左)
		Step:		5,//滑动变化率
		Time:		10,//滑动延时
		Auto:		0,//是否自动转换
		Pause:		2000,//停顿时间(Auto为true时有效)
		onStart:	function(){},//开始转换时执行
		onFinish:	function(){}//完成转换时执行
	};
	Object.extend(this.options, options || {});
  },
  //开始切换设置
  Start: function() {
	if(this.Index < 0){
		this.Index = this._count - 1;
	} else if (this.Index >= this._count){ this.Index = 0; }
	
	this._target = -1 * this._parameter * this.Index;
	this.onStart();
	this.Move();
  },
  //移动
  Move: function() {
	clearTimeout(this._timer);
	var oThis = this, style = this.Up ? "top" : "left", iNow = parseInt(this._slider.style[style]) || 0, iStep = this.GetStep(this._target, iNow);
	
	if (iStep != 0) {
		this._slider.style[style] = (iNow + iStep) + "px";
		this._timer = setTimeout(function(){ oThis.Move(); }, this.Time);
	} else {
		this._slider.style[style] = this._target + "px";
		this.onFinish();
		if (this.Auto) { this._timer = setTimeout(function(){ oThis.Index++; oThis.Start(); }, this.Pause); }
	}
  },
  //获取步长
  GetStep: function(iTarget, iNow) {
	var iStep = (iTarget - iNow) / this.Step;
	if (iStep == 0) return 0;
	if (Math.abs(iStep) < 1) return (iStep > 0 ? 1 : -1);
	return iStep;
  },
  //停止
  Stop: function(iTarget, iNow) {
	clearTimeout(this._timer);
	this._slider.style[this.Up ? "top" : "left"] = this._target + "px";
  }
};

window.onload=function(){
	function Each(list, fun){
		for (var i = 0, len = list.length; i < len; i++) { fun(list[i], i); }
	};
	
	var objs = $("idNum").getElementsByTagName("li");
	
	var tv = new TransformView("idTransformView", "idSlider", 210, 3, {
		onStart : function(){ Each(objs, function(o, i){ o.className = tv.Index == i ? "on" : ""; }) }//按钮样式
	});
	
	tv.Start();
	
	Each(objs, function(o, i){
		o.onmouseover = function(){
			o.className = "on";
			tv.Auto = false;
			tv.Index = i;
			tv.Start();
		}
		o.onmouseout = function(){
			o.className = "";
			tv.Auto = true;
			tv.Start();
		}
	})

	
}