<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
</head>
<body onload="setInterval('flash()',500)">
<span id="txt">闪动的字体</span>
<br>
<script language="JavaScript">
n=false;
function flash() {
n=!n;
document.getElementById('txt').style.color=n?'red':'blue';
}
</script>
</body>
</html>
