<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>走马灯</title>
<script type="text/javascript">
var direction ='left';
var intervalId = window.setInterval(function () {
if (direction == 'right') {
var title = document.title;
var firstchar = title.charAt(0);
var lastchar = title.substring(1, title.length);
document.title = lastchar + firstchar;
}
if (direction == 'left') {
var title = document.title;
var firstchar = title.charAt(title.length - 1);
var lastchar = title.substring(0, title.length - 1);
document.title = firstchar + lastchar;
}
}, 2000)
</script>
</head>
<body>
</body>
</html>