<script type="text/javascript">
document.body.background=bg
<b>请把鼠标移动到这些图片上,背景会发生变化:</b>
<table width="300" height="100">
<td onmouseover="bgChange('/img/eg_bg_03.gif')"
background="/img/eg_bg_03.gif">
<td onmouseover="bgChange('/img/eg_bg_04.gif')"
background="/img/eg_bg_04.gif">
<td onmouseover="bgChange('/img/eg_bg_06.gif')"
background="/img/eg_bg_06.gif">