.menu_head{width:240px;height:40px;line-height:40px;padding-left:10px;font-size:13px;color:#525252;cursor:pointer;border:1px solid #ddd;position:relative;margin:0px;font-weight:bold;background:#f1f1f1 url(./images/pro_left.png) center right no-repeat;}
.menu_list .current{background:#f1f1f1 url(./images/pro_down.png) center right no-repeat;}
.menu_body{height:auto;overflow:hidden;line-height:38px;backguound:#fff;border-right:1px solid #e1e1e1;}
.menu_body a{display:block;width:230px;height:30px;line-height:30px;padding:0 10px;color:#666;text-decoration:none;border-bottom:1px dashed #e1e1e1;font-size:13px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}
.menu_body a:hover{text-decoration:underline;}
#firstpane{width:250px;overflow:hidden;}