#nav {padding:0; margin:0; list-style:none; height:42px; background:#1d1d1d url(http://cs-nnov.ru/Images/newshapka/13-2.jpg) repeat-x; position:relative; z-index:300; 
font-family:arial, verdana, sans-serif;}
#nav li.top {display:block; float:left; height:42px;}
#nav li a.top_link {display:block; float:left; height:27px; line-height:27px; color:#cccccc; text-decoration:none; font-size:11px; font-weight:bold; padding:5px; cursor:pointer;}
#nav li a.top_link span {float:left; display:block; padding:0 10px 0 10px; height:27px; background:url('http://cs-nnov.ru/Images/newshapka/13.jpg'); border:1px solid #000000; color:#8e8e8e;;}
#nav li a.top_link span.down {float:left; display:block; padding:0 10px 0 10px; height:27px; background:url('http://cs-nnov.ru/Images/newshapka/13.jpg'); border:1px solid #000000; color:#8e8e8e;}

#nav li:hover a.top_link, 
#nav li.iehover a.top_link {background:url() no-repeat right top; }
#nav li:hover a.top_link span,
#nav li.iehover a.top_link span {float:left; display:block; background:url('http://cs-nnov.ru/img/b.gif'); border:1px solid #000000; color:#a5de1e; }
#nav li:hover a.top_link span.down,
#nav li.iehover a.top_link span.down {float:left; display:block; background:url('http://cs-nnov.ru/img/b.gif'); border:1px solid #000000; color:#a5de1e;}


/* Default list styling */

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

#nav li:hover ul.sub {left:1px; top:42px; background:url(http://cs-nnov.ru/img/b.gif); padding:3px; border:1px solid #000000; white-space:nowrap; width:130px; height:auto; z-index:300; cursor:pointer;}
#nav li:hover ul.sub li {display:block; height:20px; position:relative; float:left; width:100px; font-weight:normal; cursor:pointer;}
#nav li:hover ul.sub li a {display:block; font-size:11px; height:18px;  line-height:18px; text-indent:5px; color:#dedede; text-decoration:none; cursor:pointer;}
#nav li ul.sub li a.fly {background:url(���) 100px 6px no-repeat; cursor:pointer;}
#nav li:hover ul.sub li a:hover {background:url(���); color:#a5de1e; cursor:pointer;}
#nav li:hover ul.sub li a.fly:hover {background:url(���) 100px 6px no-repeat; color:#a5de1e; cursor:pointer;}

#nav li:hover li:hover ul,
#nav li:hover li:hover li:hover ul,
#nav li:hover li:hover li:hover li:hover ul,
#nav li:hover li:hover li:hover li:hover li:hover ul
{left:99px; top:-4px; background:url(http://cs-nnov.ru/img/b.gif); padding:3px; border:1px solid #000000; white-space:nowrap; width:120px; z-index:400; height:auto;}

#nav ul, 
#nav li:hover ul ul,
#nav li:hover li:hover ul ul,
#nav li:hover li:hover li:hover ul ul,
#nav li:hover li:hover li:hover li:hover ul ul
{position:absolute; left:-9999px; top:-9999px; width:0; height:0; margin:0; padding:0; list-style:none;}

#nav li:hover li:hover a.fly,
#nav li:hover li:hover li:hover a.fly,
#nav li:hover li:hover li:hover li:hover a.fly,
#nav li:hover li:hover li:hover li:hover li:hover a.fly
{background:url(http://cs-nnov.ru/img/b.gif) 100px 6px no-repeat; color:#a5de1e; border:1px solid #000000;} 

#nav li:hover li:hover li a.fly,
#nav li:hover li:hover li:hover li a.fly,
#nav li:hover li:hover li:hover li:hover li a.fly
{background:url(http://cs-nnov.ru/img/b.gif); 100px 6px no-repeat; color:#a5de1e; border:1px solid #000000;}