body{ background-color:#000}
#zoomdiv{position: absolute;background: #ffffff;border:1px solid #CCCCCC;display:none;text-align: center; overflow: hidden;}
#zoomup{position:absolute; background:#c0c0c0;display:none;filter:alpha(opacity=0);opacity:0;cursor:move;}
.zoom{ width:250px; vertical-align:bottom;/*处理IE bug*/}