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://downcodes.com //--> </script> <a href="http://www.downcodes.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>