飞喏

<STYLE>
.shakeimage{
position:relative
}
</STYLE>

<SCRIPT language=JavaScript1.2>
/*
Shake image script (onMouseover)-
?Dynamic Drive (www.txasp.com)
For full source code, usage terms, and 100's more DHTML scripts, visit http://txasp.com
*/
//configure shake degree (where larger # equals greater shake)
var rector=3
///////DONE EDITTING///////////
var stopit=0
var a=1
function init(which){
stopit=0
shake=which
shake.style.left=0
shake.style.top=0
}
function rattleimage(){
if ((!document.all&&!document.getElementById)||stopit==1)
return
if (a==1){
shake.style.top=parseInt(shake.style.top)+rector
}
else if (a==2){
shake.style.left=parseInt(shake.style.left)+rector
}
else if (a==3){
shake.style.top=parseInt(shake.style.top)-rector
}
else{
shake.style.left=parseInt(shake.style.left)-rector
}
if (a<4)
a++
else
a=1
setTimeout("rattleimage()",50)
}
function stoprattle(which){
stopit=1
which.style.left=0
which.style.top=0
}
</SCRIPT>
<IMG class=shakeimage onmouseover=init(this);rattleimage() onmouseout=stoprattle(this) src="http://www.txasp.com/upload_files/zhengdong.gif">红色的换成自己的图片地址

效果图: