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   jQuery(function(){   
   $("#banners img").hover(function(){   
   $(this).stop().animate({opacity:'1.0'})},   
   function(){$(this).stop().animate({opacity:'.3'})}   
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   </script>   
   <style>   
   #banners img{opacity:.3;filter:alpha(opacity=30)}   
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   <div id="banners">   
   JUSU BANNERIS
   </div>