网页特效|随机的背景图案|万里免费网络

<html> <head> <title>网页特效||---随机的背景图案</title> <meta content="text/html; charset=gb2312" http-equiv="Content-Type"> <style type="text/css">BODY { FONT-FAMILY: "宋体"; FONT-SIZE: 9pt } A { COLOR: #000000; FONT-FAMILY: "宋体"; FONT-SIZE: 9pt; TEXT-DECORATION: none } A:hover { COLOR: red; FONT-FAMILY: "宋体"; FONT-SIZE: 9pt; TEXT-DECORATION: underline } A:visited { COLOR: darkblue; FONT-FAMILY: "宋体"; FONT-SIZE: 9pt } A:active { COLOR: cyan; FONT-FAMILY: "宋体"; FONT-SIZE: 9pt; FONT-STYLE: normal; FONT-WEIGHT: bold; TEXT-DECORATION: underline } TD { COLOR: #000000; FONT-FAMILY: "宋体"; FONT-SIZE: 9pt; TEXT-DECORATION: none } BR { FONT-FAMILY: "宋体"; FONT-SIZE: 9pt } </style> <script language="JavaScript"> bg = new Array(5); bg[0] = 'images/a.jpg' bg[1] = 'images/b.jpg' bg[2] = 'images/c.jpg' bg[3] = 'images/d.jpg' bg[4] = 'images/e.jpg' index = Math.floor(Math.random() * bg.length); document.write("<BODY BACKGROUND="+bg[index]+">");</script> </head> <body> <div align="center"> <center> <table border="0" width="100%"> <tr> <td width="41%">　</td> <td width="59%"> <font size="6" color="#0000FF">背景随机显示</font><br> <font size="3">试着单击浏览器工具栏“刷新”按钮，是不是每次刷新后的页面背景都不一样，很有趣吧。其实现方法其实很简单，注意下面的代码：</font></td> </tr> <tr> <td width="41%"></td> <td width="59%"></td> </tr> </table> </center> </div> <p align="center"><br> </p> <p align="center">　</p> <div align="center"><center> <table border="0" cellPadding="0" cellSpacing="0" width="80%"> <TBODY> <tr> <td width="100%">将如下代码加入HTML的<HEAD>区：<br> <br> <script LANGUAGE="JavaScript"><br> bg = new Array(<font color="#ff0000">2</font>); //设定图片数量，如果图片数为3，这个参数就设为2，依次类推<br> bg[0] = '<font color="#ff0000">bg1.gif</font>' //显示的图片路径，可用http://<br> bg[1] = '<font color="#ff0000">bg2.gif</font>'<br> bg[2] = '<font color="#ff0000">bg3.gif</font>'<br> index = Math.floor(Math.random() * bg.length);<br> document.write("<BODY BACKGROUND="+bg[index]+">");<br> </script></td> </tr> </TBODY> </table> </center></div> </body> </html>