var now,randValue,seed,htmlStr;
var bannerIMG = new Array(4);
//輪播的圖檔
bannerIMG[0] = "/update_index/images/keyimage_47.gif";
bannerIMG[1] = "/update_index/images/keyimage_52.gif";
bannerIMG[2] = "/update_index/images/keyimage_47.gif";
bannerIMG[3] = "/update_index/images/keyimage_55.gif";

//bannerIMG[4] = "/update_index/images/keyimage_54.gif";













var bannerURL = new Array(4);
//對應圖檔的超連結
bannerURL[0] = "#";
bannerURL[1] = "http://www.taiwanlottery.com.tw/news/news_detail_447.asp";
bannerURL[2] = "#";
bannerURL[3] = "http://www.taiwanlottery.com.tw/BINGOBINGO/index.asp";

//bannerURL[4] = "http://www.taiwanlottery.com.tw/news/news_detail_459.asp";











var num;
var start;
num=bannerURL.length;
var intervalid;
start=0;
function showBanner()
{
  htmlstr="";
  if(start>= num) start=0;
  htmlStr ="<a href="+ bannerURL[start] + "><img border=0 src=" + bannerIMG[start] + " /></a>";
  start++;
  htmlStr+="<p style=\"font-size:0px;height:2px;overflow:hidden;padding:0px;margin:0px;\"></p>";
  if(start>= num) start=0;
  htmlStr +="<a href="+ bannerURL[start] + "><img border=0 src=" + bannerIMG[start] + " /></a>";
  start++;
  var srcObj=document.getElementById("bannerSpan");
  srcObj.innerHTML = htmlStr;
  setTimeout(showBanner,10000);
}