#top_nav {
	clear:both;
	width:100%;
	height:57px;
	line-height:57px;
	background:url(../images/menubg.jpg) repeat-x;
}
#nav {
	clear:both;
	width:1000px;
	height:57px;
	overflow:Hidden;
	margin:0 auto;

}
#nav ul li a.bbs {
	width:125px;
	background:url(../images/bbs.gif) left 3px no-repeat;
}
#nav ul li a.bbs:hover {
	background:url(../images/bbs_hover.gif) left 3px no-repeat;
}
#menu {
	float:left;
	width:1000px;
}
#menu li {
	float:left;
	float:left;
	width:125px;
	background:url(../images/nav_line.gif) right top no-repeat;
	
}
#menu li a {
	display:block;
	width:125px;
	text-align:center;
	height:53px;
	line-height:53px;
	text-decoration:none;
	position:relative;
	z-index:99;
	font-size:14px;
}
#menu li a:hover, #nav ul li a.on, #menu li a.hover {
	background:#3688da center top no-repeat;
	color:white;
}
#menu .subMenu {
	position:absolute;
	display:none;
	height:50px;
	width:500px;
	z-index:10000;
	overflow:hidden;
}
#menu .subMenu .menuleft, #menu .subMenu .menuright {
	background:#fff; opacity:0.6; filter:alpha(opacity=60);
	display:block;
	height:100px;
	float:left;
	line-height:100px;
	position:relative;
	z-index:90;
	margin-top:4px;
}
#menu .subMenu .menuleft {
	background-position:left top;
	width:10px;
}
#menu .subMenu .menuright {
	background-position:right top;
	padding-right:10px;
}
#menu .subMenu .menuright a {
	float:left;
	height:100px;
	padding:0;
	width:80px;
	position:relative;
	z-index:99;
}
#menu .subMenu .menuright a:hover {
	background:none;
	text-decoration: none;
	color:#333;
	font-weight:bold;
}
#menu .t3 {
	width:600px;
}
#menu .m4 {
}