随机的背景图案

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随机的背景图案

时间：2008-10-19 点击：1083

<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] = 'javascript/images/a.gif'
bg[1] = 'javascript/images/b.jpg'
bg[2] = 'javascript/images/c.jpg'
bg[3] = 'javascript/images/d.jpg'
bg[4] = 'javascript/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>

<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>

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背景不停变换颜色

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