/* 以下只支持非IE6浏览器 */
#navigation li:hover a {
    color:#fff;
    background:#3389cc;
}
#navigation li:hover ul {
    display:block;
    position:absolute;
    top:20px;
    margin-top:1px;
    left:0;
    width:150px;
}
#navigation li:hover ul li a {
    display:block;
    background:#3399cc2;
    color:#fff;
    height:17px;
    line-height:17px;
    padding:3px 6px;
    width:150px;
	font-family:Verdana, sans-self;
	font-size:10px;
	font-weight:bold;
}
#navigation li:hover ul li a:hover {
    color:#fff;
    background:#33cccc;
}
#navigation li a#nav_library{
	width:62px;
}