#nav {
	display: block;
	height: 29px;
	list-style: none;
	margin: 0 75px;
	padding: 0;
	width: 700px;
}
#nav li {
	float: left;
}
#nav li a {
	display: block;
	float: left;
	margin: 0 10px;
	padding: 0;
	text-indent: -1000em;	
}
#nav li a.welcome {
	background: transparent url(../welcome.gif) no-repeat center center;
	width: 87px;
}
#nav li a.welcome:hover {
	background: transparent url(../welcomeo.gif) no-repeat center center;
}
#nav li a.announcements {
	background: transparent url(../announcements.gif) no-repeat center center;
	width: 132px;
}
#nav li a.announcements:hover {
	background: transparent url(../announcementso.gif) no-repeat center center;
	width: 132px;
}
#nav li a.invitations {
	background: transparent url(../invitations.gif) no-repeat center center;
	width: 94px;
}
#nav li a.invitations:hover {
	background: transparent url(../invitationso.gif) no-repeat center center;
	width: 94px;
}
#nav li a.notecards {
	background: transparent url(../notecards.gif) no-repeat center center;
	width: 92px;
}
#nav li a.notecards:hover {
	background: transparent url(../notecardso.gif) no-repeat center center;
	width: 92px;
}