<html>
<head>
<title> New Document </title>
<script language="javascript">
function init(){
window.setInterval("settime()",1000);
window.setInterval("skipUrl()",3000);
}
function settime(){
var divinner=document.getElementById("divinner");
if(divinner.innerText>1){
divinner.innerText = divinner.innerText-1;
}
}
function skipUrl(){
var f_url='http://www.baidu.com';
window.location.replace(f_url);
}
</script>
</head>
<body onload="init();">
<div id="divinner">3</div>
</body>
</html>