js文字滚动效果

最新内容：<a id="HotNews" href="" target="_blank"></a>
<script LANGUAGE="Javascript">
<!--
var NewsTime = 2000; //每条新闻的停留时间
var TextTime = 50;  //新闻标题文字出现等待时间，越小越快
var newsi = 0;
var txti = 0;
var txttimer;
var newstimer;
var newstitle = new Array(); //新闻标题
var newshref = new Array();  //新闻链接
newstitle[0] = "世界银行公布世界最富和最穷国家前10";
newshref[0] = "http://www.111cn.cn/data/files/file_695.asp";
newstitle[1] = "安全经过广州火车站攻略";
newshref[1] = "http://www.111cn.cn/data/files/file_682.asp";
newstitle[2] = "没有卖不出去的豆子";
newshref[2] = "http://www.111cn.cn/data/files/file_686.asp";
newstitle[3] = "人类为何活不到自然寿命";
newshref[3] = "http://www.111cn.cn/data/files/file_680.asp";
newstitle[4] = "没人会踢一只死狗";
newshref[4] = "http://www.111cn.cn/data/files/file_685.asp";
function shownew()
{
 
 var endstr = "_"
 hwnewstr = newstitle[newsi];
 newslink = newshref[newsi];
 if(txti==(hwnewstr.length-1)){endstr="";}
 if(txti>=hwnewstr.length){
  clearInterval(txttimer);
  clearInterval(newstimer);
  newsi++;
  if(newsi>=newstitle.length){
   newsi = 0
  }
  newstimer = setInterval("shownew()",NewsTime);
  txti = 0;
  return;
 }
 clearInterval(txttimer);
 document.getElementById("HotNews").href=newslink;
 document.getElementById("HotNews").innerHTML = hwnewstr.substring(0,txti+1)+endstr;
 txti++;
 txttimer = setInterval("shownew()",TextTime);
}
shownew();
//-->
</script>