用快捷键打开页面源代码或者是打印页面

<script language="Javascript">

<!--

button1up=new Image(200,180);

button1up.src="/img/200406301.jpg";

//鼠标为UP状态时图片大小和图片

button1down=new Image(200,180);

button1down.src="/img/200406302.jpg";

//鼠标为down状态时图片大小和图片

//more javascript from http://knowsky.com

//-->

</script>

<a href="http://www.knowsky.com" onmouseover="button1.src=button1up.src" onmouseout="button1.src=button1down.src"><img name="button1" src="/img/200406301.jpg" width=200 height=180 border=0></a>