点击按原图查看，再次点击原图关闭查看

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1<a href="#" onclick="return false"><img alt="按原图大小查看照片" border="0" height="150" name="small" onclick="MM_showHideLayers('layer4','','show');MM_showHideLayers('layer','','hide');MM_showHideLayers('layer5','','hide');" src=" http://andsky.com/logo.gif " width="200"/></a>

1<br/>

1<div id="layer4" style="Z-INDEX: 1; LEFT: 10%; VISIBILITY: hidden; WIDTH: 100%; POSITION: absolute; TOP: 25%; HEIGHT: 202px"><a href="#" onclick="return false"><img alt="点击关闭查看" border="0" name="big" onclick="MM_showHideLayers('layer4','','hide');MM_showHideLayers('layer','','show');MM_showHideLayers('layer5','','show');return false;" src=" http://andsky.com/logo.gif "/></a> </div>