.nav{ width:981px;
	margin:0 auto;
	BACKGROUND: url(menu_bg.gif) #FFF repeat-x center; padding:0 10px;
	height: 39px; clear:both;}
.nav ul{ width:986px; margin:0 auto; list-style:none;}
.nav ul li{ float:left; width:108px; height:39px; text-align: center;position:relative;}
.nav ul li a{font-size:14px; font-weight:bold; color:#fff; width:94px; display:block; height:40px; line-height:39px; text-decoration:none; text-align:center;}
.nav ul li a:hover{ display:block; height:40px; background:url(menu_hover.gif) no-repeat;color:#157a00;  background-position-y: 3px;}
.nav ul li a:over{ display:block; height:40px; background:url(../image/nav_hover_bg.jpg) no-repeat; color:#157a00;}
        .nav ul li ul{width:108px; margin:0px; padding:0px;top:40px; left:0px; position:absolute; display:none; background:url(dde.gif) repeat-x center; }
		.nav ul li ul li a{width:94px; display:block; background: url(gh11.png) bottom no-repeat; height:40px; color:#157a00;}
		.nav ul li ul li a：hover{width:94px; display:block; background: url(gh11.png) bottom no-repeat; height:40px; color:#157a00;}
        .nav ul li:hover ul{width:94px; margin:0px; padding:0px;top:40px; left:0px; position:absolute; display:block; }
        
        .nav ul li:hover ul li ul{width:94px; margin:0px; padding:0px;top:25px; left:0px; position:absolute; display:none; }
        
        .nav ul li:hover ul li:hover ul{width:150px; margin:0px; padding:0px;top:25px; left:0px; position:absolute; display:block; }
        .nav ul li ul{ display:none;}
        .nav ul li .ov{width:102px; margin:0px; padding:0px;top:25px; left:0px; position:absolute; display:block; }
        .nav ul li .on{width:102px; margin:0px; padding:0px;top:0px; left:152px; position:absolute; display:block; }
.ul2{ z-index:9999;}