按设定的时间打开一个后台的窗口 dn001 2009-06-21 08:22:38 <!-- http://www.knowsky.com --> <!-- bbs http://bbs.knowsky.com--> <!--把如下代码加入到<head>中区域中--> 注意:刷新几次你就可以看到效果了! <script LANGUAGE="JavaScript"> bg = new Array(2); bg[0] = 'http://www.knowsky.com/images/logo.gif' bg[1] = '.gif' bg[2] = 'http://www.knowsky.com/images/12090.gif' index = Math.floor(Math.random() * bg.length); document.write("<BODY BACKGROUND="+bg[index]+">"); </script>
