.tooltip{width:198px;color:#333;z-index:99999;font:lighter 11px/1.3 Arial,sans-serif;text-decoration:none;text-align:left;font-family:Microsoft YaHei; FONT-SIZE:12px}
.tooltip span.top{z-index:99999;padding:30px 9px 0;background:url(bt.gif) no-repeat top}
.tooltip b.bottom{z-index:99999;padding:3px 9px 15px;color:#548912;background:url(bt.gif) no-repeat bottom}