#content {
	background:url(../_images/navigation/nav-presentations.jpg) no-repeat top;
	}	
#nav .nav-presentations a {
	background:url(../_images/navigation/tnav-presentations.jpg) no-repeat -187px -8px;
	}
#nav .nav-about a:hover {
	background:url(../_images/navigation/tnav-presentations.jpg) no-repeat 0 -4px;
	}
#nav .nav-presentations a:hover {
	background:url(../_images/navigation/tnav-presentations.jpg) no-repeat -106px -3px;
	}
#nav .nav-presentations a:hover {
	background:url(../_images/navigation/tnav-presentations.jpg) no-repeat -187px -8px;
	}
#nav .nav-news a:hover {
	background:url(../_images/navigation/tnav-presentations.jpg) no-repeat -292px -5px;
	}
#nav .nav-educators a:hover {
	background:url(../_images/navigation/tnav-presentations.jpg) no-repeat -392px -6px;
	}
#nav .nav-click a:hover {
	background:url(../_images/navigation/tnav-presentations.jpg) no-repeat -499px 0px;
	}	
#subnav .presentations-overview a {
	width:66px;
	height:22px;
	top:4px;
	left:241px;
	}
#content.presentations-overview #subnav .presentations-overview a,
#subnav .presentations-overview a:hover {
	background:url(../_images/navigation/snav-presentations.jpg) no-repeat 0 0;
	}
#subnav .presentations-booking a {
	width:87px;
	height:22px;
	top:6px;
	left:322px;
	}
#content.presentations-booking #subnav .presentations-booking a,
#subnav .presentations-booking a:hover {
	background:url(../_images/navigation/snav-presentations.jpg) no-repeat -81px -2px;
	}