<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript">
var id,position=0;
function banner(){
var i,k;
var m1="你好";
var m2="跑马灯效果";
var msg=m1+m2;
var speed=10;
document.isnform.banner.value=msg.substring(position,position+100);
if(position++==msg.length){
position=0;
}
id=setTimeout("banner()",2000/speed);
}
</script>
</head>
<body onLoad="banner()">
<form method="post" name="isnform">
<input type="text" size="49" maxlength="256" name="banner">
</form>
</body>
</html>