<img src="http://community.csdn.net/logo/Images/eye001.gif" onclick=document.getElementById("div1").style.display=''>
<div id="div1" style="display:none">
<img src="http://images.csdn.net/upimgs/CSDN-ad120_360.GIF">
</div>
<div id="div1" style="display:none">
<img src="http://images.csdn.net/upimgs/CSDN-ad120_360.GIF">
</div>
<div id="div1" style="display:none">
<img src="http://images.csdn.net/upimgs/CSDN-ad120_360.GIF">
</div>
在onmouseover的事件里加上:
document.getElementById("div1").style.pixelLeft=event.clientX;
document.getElementById("div1").style.pixelTop=event.clientY;