<script type="text/javascript">
document.getElementById('image').style.position="relative"
document.getElementById('image').style.left="3"
timer=setTimeout("shakeright()",10)
document.getElementById('image').style.left="0"
timer=setTimeout("shakeleft()",10)
<b>请把鼠标移动到图像上,会看到它在摇动:)</b><br />
<img id="image" src="/img/eg_smile.gif"
onmouseover="shakeleft()"
onmouseout="stoptimer()" />