代码如下：
<SCRIPT language=javascript> var use_title = new Array () use_title[1] = "猎取网" use_title[2] = "猎取网上精华" use_title[3] = "综合娱乐中心" now = new Date() num = (now.getSeconds()) % 3 num = num + 1 document.write('<title>'+ use_title[num] +'</title>') </SCRIPT>