#menu {
	list-style: none;
	padding: 0;
	margin: 0;
	width: 750px;
	height: 300px;
	background: url(images/menu-bg.jpg) no-repeat;
	position: relative;
	overflow: visible;
}
#menu span {
	display: none;
	position: absolute;
}
#menu a {
	display: block;
	text-indent: -900%;
	position: absolute;
	outline: none;
}
#menu a:hover {
	background-position: left bottom;
}
#menu a:hover span{
	display: block;
}
#menu .etud {
	width: 143px;
	height: 64px;
	background: url(images/etud.gif) no-repeat;
	left: 126px;
	top: 45px;
}
#menu .etud span {
	width: 200px;
	height: 20px;
	background: url(images/etud-over.gif) no-repeat;
	left: 28px;
	top: -25px;
}
#menu .ens {
	width: 151px;
	height: 49px;
	background: url(images/ens.gif) no-repeat;
	left: 371px;
	top: 23px;
}
#menu .ens span {
	width: 200px;
	height: 20px;
	background: url(images/ens-over.gif) no-repeat;
	left: 44px;
	top: 54px;
}
#menu .rss {
	width: 112px;
	height: 47px;
	background: url(images/rss.gif) no-repeat;
	left: 597px;
	top: 90px;
}
#menu .rss span {
	width: 92px;
	height: 20px;
	background: url(images/rss-over.gif) no-repeat;
	left: 26px;
	top: -20px;
}