【转】浏览大图时鼠标感应控制层滚动条的移动

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2<img src="http://www.mydeskcity.com/DESK/NX100/MISS2005_5/MISS2005_5002.JPG"  onmousemove='a.scrollLeft=event.x*2.5-a.offsetLeft-100;a.scrollTop=event.y*2.5-a.offsetTop-100'/> 
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