ul,ol,li {list-style:none; padding:0px; margin:0px;}
/*µ¼º½*/
.mdh{z-index:2000;float:left; text-align:left; padding-left:15px; padding-right:15px; text-align:center; }
.menu{_overflow:hidden; z-index:1000;}
.menu a{ float:left;position:relative;  background:none; display:block; z-index:4000;}

.menu li{float:left;position:relative; display:block;}
.menu li:hover{ display:block; background:url(gltu/prodhbj.jpg) center center no-repeat;}
.menu li:hover a{color:#333 ; background:none;}
.menu li.no_sub:hover{}
.menu ul{width:384px; position:absolute;left:-10px;top:-999em;z-index:99999;display:none; color:#333; height:auto; overflow:hidden; text-align:left; z-index:4000; }
.menu li:hover ul{top:110px;display:block}


/*IE6*/
.menu li.hover{ display:block; background:url(gltu/prodhbj.jpg) center center no-repeat; }
.menu li.hover a{color:#333;}
.menu li.hover ul{top:110px;display:block}