#nav {
	margin:0;
	padding:0;
	list-style:none;
	background:#fff;
	position: relative;
	font-family:verdana, arial, sans-serif;
}

/* keep the 'next' level invisible by placing it off screen. */
#nav ul, 
#nav li:hover ul ul,
#nav li:hover ul li:hover ul ul,
#nav li:hover ul li:hover ul li:hover ul ul,
#nav li:hover ul li:hover ul li:hover ul li:active ul ul
{position:absolute; left:-9999px; top:-9999px; width:0; height:0; margin:0; padding:0; list-style:none;}

/*show menu*/
#nav li:hover ul
{left:26px; top:0px; background: #FFFFFF; padding:0px; white-space: nowrap; width:auto; height:auto; z-index:300;
border:1px solid #4f8383;
}
* html #nav li:hover ul {width:0;}
#nav li:hover ul li
{display:block; position:relative; float:left; font-weight:normal; background:#fff; clear:left; width: auto;}
#nav li:hover ul li a
{display:block; font-size:11px; height:20px; line-height:20px; padding:0 5px; color:#000; text-decoration:none;}
#nav li ul li a.fly
{color:#4f8383; font-weight:bold;}
#nav li:hover ul li:hover 
{background:#fff;}
#nav li:hover ul li a:hover {text-decoration:underline;}
#nav li:hover ul li a.fly:hover
{background:#4f8383; color:#fff; text-decoration:none;}
#nav li:hover ul li:hover.fly {background:#4f8383;}

#nav li:hover ul li:hover.fly > a.fly {background:#4f8383; color:#fff; text-decoration:none;} 

#nav li:hover ul li:hover ul,
#nav li:hover ul li:hover ul li:hover ul,
#nav li:hover ul li:hover ul li:hover ul li:hover ul,
#nav li:hover ul li:hover ul li:hover ul li:hover ul li:hover ul
{left:80px;  bottom:auto; top:-1px; background: #fff; padding:3px; border:1px solid #4f8383; white-space:nowrap; width:auto; z-index:500; height:auto;}