body {  behavior: url(/csshover.htc);} /* WinIE behavior call */
div.nav ul {margin:0; padding: 0;  width: auto;}
div.nav li { position: relative;float:left; list-style: none; margin:2px 0 2px 0 ;padding:0.6em 0 0.6em 0;border-right:1px solid #E1E1E1;border-left:1px solid #E1E1E1;font-size:1em;}
div.nav li:hover {background-image: url('');background-position: 0 -31px;background-repeat:repeat-x;}
div.nav li.submenu {background-image: url('/gastro/gastro_12.gif');background-repeat:no-repeat;background-position:96% 20%  }
div.nav li.submenu:hover {background-image: none ;border-top:-1px;}
div.nav li.submenu li{background: #ffffcc;float:none;}
div.nav li.submenu li:hover {background-image: url('/gastro/gastro_14.gif');background-position: 95% 50% ;background-repeat:no-repeat;border-top:-1px;}
div.nav li a {display: block; padding:0 1em 0 1em;
  text-decoration: none; width: 12em;}
div.nav li.submenu li a {width: 14em;}
div.nav li.submenu li a:hover {color:#660000;}
div.nav>ul.level2 a {width: auto;border-top:1px solid #E1E1E1;}
div.nav ul ul {position: absolute; top: 2.3em; left: -2px;margin:0;background:#fff;padding: 0 7px 5px 4px;border:2px solid #E1E1E1;border-top:none; 
  display: none;}
div.nav ul.level1 li.submenu:hover ul.level2, 
div.nav ul.level2 li.submenu:hover ul.level3 {display:block;z-index:35;}