body{

}
#nav {
	z-index: 100;
	position:absolute;
	
	overflow: visible;
	clip: rect(auto,auto,auto,auto);
	padding-top: 158px;
}


#nav, #nav ul{
	margin:0;
	list-style-type:none;
	list-style-position:outside;
	line-height:1.5em;
	padding-right: 0;
	padding-bottom: 0;
	padding-left: 0;
}

#nav a{
	display:block;
	color:#fff;
	text-decoration:none;
	background-color:#009900;
	padding-top: 0px;
	padding-right: 10px;
	padding-bottom: 0px;
	padding-left: 10px;
	border-top-width: 1px;
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-left-width: 1px;
	border-top-style: solid;
	border-right-style: solid;
	border-bottom-style: solid;
	border-left-style: solid;
	border-top-color: #FFFFFF;
	border-right-color: #999999;
	border-bottom-color: #000000;
	border-left-color: #666666;
	-moz-border-radius-topleft: 15px;
	-moz-border-radius-topright: 15px;
	-webkit-border-top-right-radius: 15px;
	-webkit-border-top-left-radius: 15px;
	border-radius-topleft: 15px;
	border-radius-topright: 15px;
	background-image: url(../img/tab_grade.jpg);
	background-repeat: repeat-x;
}



#home a{
	margin-left: 5px;
}


#nav a:hover{
background-color:#fff;
color:#333;
}

#nav li{
	float:left;
	position:relative;
	margin-right: 7px;
}

#nav ul {
position:absolute;
display:none;
width:12em;
top:1.5em;
}

#nav li ul a{
	width:12em;
	height:auto;
	float:left;
	background-color: #A0FF93;
	color: #009900;
	-moz-border-radius-topleft: 0px;
	-moz-border-radius-topright: 0px;
	-webkit-border-radius-topleft: 0px;
	-webkit-border-radius-topright: 0px;
	border-radius-topleft: 0px;
	border-radius-topright: 0px;
	background-image: none;
}

#nav ul ul{
	top:auto;
	
}	

#nav li ul ul {
left:12em;
margin:0px 0 0 10px;
}

#nav li:hover ul ul, #nav li:hover ul ul ul, #nav li:hover ul ul ul ul{
display:none;
}
#nav li:hover ul, #nav li li:hover ul, #nav li li li:hover ul, #nav li li li li:hover ul{
display:block;
}