activeSubNav="";

function ShowSubNav(room) {
	if (room!=activeSubNav) {
		document.getElementById(room).style.display="block";
		document.getElementById(room+"_bkg").className = "buo_l_nav_on";
		if (activeSubNav!="") {
			document.getElementById(activeSubNav).style.display="none";
			document.getElementById(activeSubNav+"_bkg").className = "buo_l_nav_off";
		}
		activeSubNav=room;
	} else {
		document.getElementById(room).style.display="none";
		document.getElementById(room+"_bkg").className = "buo_l_nav_off";
		activeSubNav="";
	}
}

activeSubNav2="";

function ShowSubNav2(room) {
	if (room!=activeSubNav2) {
		document.getElementById(room).style.display="block";
		document.getElementById(room+"_bkg").className = "buo_l_nav2_on";
		if (activeSubNav2!="") {
			document.getElementById(activeSubNav2).style.display="none";
			document.getElementById(activeSubNav2+"_bkg").className = "buo_l_nav2_off";
		}
		activeSubNav2=room;
	} else {
		document.getElementById(room).style.display="none";
		document.getElementById(room+"_bkg").className = "buo_l_nav2_off";
		activeSubNav2="";
	}
}