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");
	//this.listDiv03=document.createElement("div");
	this.listDivnum=0;
	this.listDiv=[];
	
	
	
	
	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;
		for(var i=0;i<this.listDivnum;i++)
		{
			this.listDiv[i]=document.createElement("div");
		}
		for(var i=0;i<this.listDivnum;i++)
		{
			this.listDiv[i].innerHTML=this.scrollContDiv.innerHTML;
		}
		
		this.scrollContDiv.innerHTML="";
		this.scrollContDiv.appendChild(this.stripDiv);
		this.stripDiv.appendChild(this.listDiv01);
		this.stripDiv.appendChild(this.listDiv02);
		//this.stripDiv.appendChild(this.listDiv03);
		for(var i=0;i<this.listDivnum;i++)
		{
			this.stripDiv.appendChild(this.listDiv[i]);
		}
		
		this.stripDiv.style.overflow="hidden";
		this.stripDiv.style.zoom="1";
		this.stripDiv.style.width="327660px";
		this.listDiv01.style.cssFloat="left";
		this.listDiv02.style.cssFloat="left";
		//this.listDiv03.style.cssFloat="left";
		
		for(var i=0;i<this.listDivnum;i++)
		{
			this.listDiv[i].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
						}
					}
				}
			};