#nav_alt, #nav_alt ul{
margin:0;
padding:0 0 0 10px;
list-style-type:none;
list-style-position:outside;
position:relative;
line-height:1.5em; 
z-index:9999;
}

#nav_alt a{
    display:block;
    padding:0px 5px;
    text-decoration:none;
    background-color:transparent;

    float:left;
	padding:6px 10px 0 10px;
	font:12px Verdana, Arial, Helvetica, sans-serif;
	color:#FFFFFF;
	text-transform:uppercase;
	text-decoration:none;
	font-weight:bold;
}

#nav_alt a:hover{
background-color:transparent;

}

#nav_alt li{
float:left;
position:relative;
}

#nav_alt li ul{
	margin-top: 2px;
}

#nav_alt ul {
	position:absolute;
	display:none;
	top:28px;
	left:0px;
	background:#7fc040;
	padding: 0;
	margin: 0;
	z-index:2;
	width: 180px;
}

#nav_alt ul li{
	padding: 0;
	margin: 0;
	display: block;
	width: 180px;
	border-bottom:1px dashed #5da42c;
	padding:5px 0;
}

#nav_alt li ul a{
	height:auto;
	float:left;
	color:#fff;
	font-weight: bold;
	font-size: 12px;
	padding: 2px 0px 2px 20px;
	display: block;
	/*background: url(../images/bulle.png) no-repeat;*/
}

#nav_alt li ul.species a{
height:auto;
float:left;
font-weight: bold;
font-size: 12px;
padding: 2px 0px 2px 20px;
display: block;
background: url(../images/bulle.png) no-repeat;
width:120px;
}

#nav_alt li ul a:hover{
	text-decoration:underline;
}

#nav_alt ul ul{
top:auto;
}	

#nav_alt li ul ul {
left:12em;
margin:0px 0 0 10px;
}
/*
#nav_alt li:hover ul ul, #nav_alt li:hover ul ul ul, #nav_alt li:hover ul ul ul ul{
display:none;
}
#nav_alt li:hover ul, #nav_alt li li:hover ul, #nav_alt li li li:hover ul, #nav_alt li li li li:hover ul{
display:block;
}
*/