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
           }}}};