图片变灰，HOVER变亮
a img{filter:alpha(opacity=60); -moz-opacity:0.6; opacity:0.6; border:1px solid #e0e0e0;border-bottom:3px #fff solid; border-right-width:3px; padding:6px;}a:hover img{border-color:#91CD02;filter:alpha(opacity=100); -moz-opacity:1.0; opacity:1.0;}
