页面打开时出现分别向上向下向左向右的运动

<!-- http://www.knowsky.com/js -->

<!-- bbs http://www.knowsky.com/bbs-->

<!-- 完整的HTML代码 -->

把下列文本加到BODY里！

<script language="JavaScript">

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var message1="Can you read what this text is saying? Obviously, you can!";

var before = "<font color=black>";

// You put the tags you want before the text here.

var after = "</font>";

// you put the closing tags here.

var message2="";

for (count=message1.length; count >= 0; count--)

message2+=message1.substring(count,count-1);

document.write (before,message2,after);

// -->

</script>

<p align="center"><font face="arial" size="-2">This free script provided by</font><br>

<font face="arial, helvetica" size="-2"><a href="http://knowsky.com">knowsky.com</a></font></p>

<br><br><br>

<p><font color=red>//网站:http://www.knowsky.com</font></p>