scrollheight = 20 ;                    //卷軸高
  lineNum = 1;
  boardheight = scrollheight * lineNum;  //跑馬燈高
  scrollwidth = 500;                     //跑馬燈寬
  scrollTimeOut = 10;                    //移動時間
  scrollStopTime = 400;                  //停留時間

  doScroll = true;                       //是否要跑
  scrollCountTime = 0;                   //目前時間
  offSet = scrollheight;                 //偏移量
  startSetp = 0;

  function ScrollBluezz(){
    thisSc = document.all['scArea'];
    thisSc.style.width = scrollwidth;
    thisSc.style.height = boardheight;
    thisSc.style.overflowX = "hidden";
    thisSc.style.overflowY = "hidden";
    thisSc.scrollTop = 0;
    setInterval("scrollUpBluezz()",scrollTimeOut);
  }

  function scrollUpBluezz(){
    thisSc = document.all['scArea'];
    if (doScroll == false) return;       //不跑
    offSet++;
    if (offSet == scrollheight + 1){
      scrollCountTime++;
      offSet--;
      if (scrollCountTime == scrollStopTime){
        offSet = 0;
        scrollCountTime = 0;
      }
    }else{
      startSetp = thisSc.scrollTop + (scrollheight * lineNum);
      thisSc.scrollTop++;
      if (startSetp == thisSc.scrollTop + (scrollheight * lineNum)){
        thisSc.scrollTop = scrollheight * (lineNum-1);
        thisSc.scrollTop++;
      }
    }
  }