#nav {padding:5px 0 0 0; margin:0 0 5px 0; list-style:none; height:40px; position:relative; z-index:200; font-family:arial, verdana, sans-serif; float:left;}
#nav li.top {display:block; float:left;}
#nav li a.top_link {display:block; float:left; color:#000; font-weight:bold; height:35px; line-height:33px; text-decoration:none; font-size:11px; padding-left:10px; cursor:pointer;}
#nav li a.top_link span {float:left; display:block; padding:0 0 0 18px; height:35px;}
#nav li a.top_link span.down {float:left; display:block; padding:0 0 0 20px; height:35px; }

#nav li:hover a.top_link,
#nav a.top_link:hover
{color:#666; background: url(six_1.gif) no-repeat;}
#nav li:hover a.top_link span, 
#nav a.top_link:hover span
{background:url(six_1.gif) no-repeat right top;}
#nav li:hover a.top_link span.down,
#nav a.top_link:hover span.down
{background:url(six_1a.gif) no-repeat right top; padding-bottom:3px;}

#nav li:hover {position:relative; z-index:200;}
#nav a:hover {position:relative; white-space:normal; z-index:200;}

#nav :hover ul.sub
{left:1px; top:28px; background:url(pixel.png); padding:3px; border:1px solid #666; white-space:nowrap; width:90px; height:auto; z-index:300;}
#nav :hover ul.sub li
{display:block; height:20px; position:relative; float:left; width:90px; font-weight:normal;}
#nav :hover ul.sub li a
{display:block; font-size:11px; height:18px; width:88px; line-height:18px; text-indent:5px; color:#000; text-decoration:none;}
#nav li ul.sub li a.fly
{background:#e8e8e8 url(arrow.gif) 80px 6px no-repeat;}
#nav :hover ul.sub li a:hover 
{background:#666; color:#fff; border-color:#fff;}
#nav :hover ul.sub li a.fly:hover
{background:#666 url(arrow_over.gif) 80px 6px no-repeat; color:#fff;}

#nav li b {display:block; font-size:11px; height:18px; width:88px; line-height:18px; margin-bottom:3px; text-indent:6px; color:#ff6; border-bottom:1px solid #ff6; cursor:default;}

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