有两个Div，其中一个使用了滚动条，如何使……（急！！！在线等）

Question

<div align="center" style="overflow-x:hidden;width:800px;height:30px;" id="biaotou1" onscroll="overlay.scrollLeft=this.scrollLeft;overlay.scrollTop=this.scrollTop;">
toptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptoptop
</div>
<div align="center" style="overflow-x:auto;width:800px;height:30px;" id="overlay" onscroll="biaotou1.scrollLeft=this.scrollLeft;biaotou1.scrollTop=this.scrollTop;">
bottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottombottom
</div>

Answer 1

<div id="A">
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
</div>
<div id="B" onscroll="A.scrollLeft=this.scrollLeft;">
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
</div>

Answer 2

seabell(百合心)怎么偷我的答案。http://expert.csdn.net/Expert/topic/1833/1833318.xml