#tabnavigation
{
	position:absolute;
	clear:left;
	top:115px;
	left:30px;
	height:60px;
	width:943px;
}
/*黑色一级背景*/
div#navigation 
{
	float:left;
	clear:both;
    background: url(../../images/navigation/nav_bkg.png) no-repeat;
    width: 943px;
    height: 30px;
    font-family:Verdana;
    font-size:11px;
}
/*白色二级背景*/
div#subnavigation {
    background: url(../../images/navigation/nav_bkg1.png) no-repeat;
    width: 943px;
    height: 30px;
    font-family:Verdana;
    font-size:11px;
    clear:both;
    float:left;
}

/*一级菜单*/
div#navigation, div#navigation ul 
{
    padding: 0;
    list-style-type: none;
}
div#navigation ul li
{
	padding: 0;
    list-style-type: none;
}

/*一级菜单字体颜色*/
#main
{
	margin-left:10px;
}
#main ul lif
{
	display:inline;
}
#main a
{
	color:#FFFFFF; text-decoration:none; 
}
#main a:link
{
	color:#FFFFFF; text-decoration:none; 
}
#main a:visited
{
	color:#FFFFFF; text-decoration:none; 
}
#main a:hover
{
	color:#BC2931;
}
#main li
{     
	position:relative;
	top:6px;
}



/*<group=level 2>*/   
#tabnavigation ul li{
	display:inline;
}

ul, li{
	list-style:none;
}

.sub_box{
	float:left;
	display:none;
}

#home
{
	float:left;
	width:85px;
}
#home2
{
	float:left;
	width:1px;
}
#Institute
{
	float:left;
	width:85px;
}
#Institute2
{
	float:left;
}
#News
{
	float:left;
	width:85px;
}
#News2
{
	float:left;
}
#Publication
{
	float:left;
width:85px;
}
#Publication2
{
	float:left;
}
#Library
{
	float:left;
	width:85px;
}
#Library2
{
	float:left;
}
#Guestbook
{
	float:left;
width:85px;
}
#Guestbook2
{
	float:left;
}
#Photo
{
	float:left;
	width:85px;
}
#Photo2
{
	float:left;
}
#Projects
{
	float:left;
	width:85px;
}
#Projects2
{
	float:left;
}
#Career
{
	float:left;
width:85px;
}
#Career2
{
	float:left;

}
#Contact
{
	float:left;
	width:85px;
}
#Contact2
{
	float:left;
}

#subnavigation ul li a
{
	color:#333333; text-decoration:none; 
}
#subnavigation ul li a:link
{
	color:#333333; text-decoration:none; 
}
#subnavigation ul li a:visited
{
	color:#333333; text-decoration:none; 
}
#subnavigation ul li a:hover
{
	color:#BC2931;
}
#subnavigation ul li
{     
	position:relative;
	top:6px;
}
 
div#subnavigation ul#sub2
{
    position:relative;
    top: 0px;
    left:-50px;
    width:900px;
} 
div#subnavigation ul#sub4
{
    position:relative;
    top: 0px;
    left:-150px;
    width:850px;
} 
div#subnavigation ul#sub5
{
    position:relative;
    top: 0px;
    left:-80px;
    width:850px;
} 

/*content*/