#nav {padding:0; margin:0; list-style:none; position:relative; z-index:500;}
#nav li.top {display:block; float:left; }
#nav li a.top_link {display:block; float:left; cursor:pointer;}
#nav li a.top_link span {float:left; display:block; }
#nav li a.top_link span.down {float:left; display:block; background:url(../images/blanka.png) right 5px no-repeat; padding-right:16px;}
#nav li a.top_link:hover {color:#fff; }
#nav li a.top_link:hover span {background:url(../images/blank_over.png) no-repeat right 5px no-repeat;}
#nav li a.top_link:hover span.down {background:url(../images/blank_overa.png) right 5px no-repeat;}

#nav li:hover > a.top_link {color:#fff; background: url(../images/blank_over.png) right 5px no-repeat;}
#nav li:hover > a.top_link span {background:url(../images/blank_over.png) right 5px no-repeat;}
#nav li:hover > a.top_link span.down {background:url(../images/blank_overa.png) right 5px no-repeat;}

/* Default list styling */

#nav li:hover {position:relative; z-index:200;}

/* 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:hover ul ul{position:absolute; left:-9999px; top:-9999px; width:0; height:0; margin:0; padding:0; list-style:none;}

#nav li:hover ul.sub{left:0; top:54px; background:#fff; box-shadow: 1px 1px 6px #333; width:230px; height:auto; z-index:300;}
#nav li:hover ul.sub li{display:block; position:relative; float:none; width:220px; font-weight:normal;}
#nav li:hover ul.sub li a{display:block; font-size:11px; width:220px; color:#000; text-decoration:none; padding:10px 0px 10px 10px; font-size:14px;}

#nav li ul.sub li a.fly{background:url(../images/arrow.gif) 80px 7px no-repeat;}
#nav li:hover ul.sub li a:hover {background:#c0392b; color:#fff;}
#nav li:hover ul.sub li a.fly:hover{background:#c0392b url(../images/arrow_over.gif) 80px 7px no-repeat; color:#fff;}

#nav li:hover ul li:hover > a.fly {background:#c0392b url(../images/arrow_over.gif) 80px 7px no-repeat; color:#fff;} 

#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:230px; width:230px; float:left; top:0px; background: #fff; background:#fff; box-shadow: 1px 1px 6px #333; white-space:nowrap; z-index:400; height:auto;}