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<SCRIPT language="JavaScript">
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function makevisible(cur,which){
if (which==0)
cur.filters.alpha.opacity=100
else
cur.filters.alpha.opacity=20
}//--></SCRIPT>
<img src="http://www.51js.com/images/51js/51js.gif" style="filter:alpha(opacity=20)" onMouseOver="makevisible(this,0)" onMouseOut="makevisible(this,1)">
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